Automated Malware Analysis Report
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File Type:pdf, Size:1020Kb
ID: 328642 Cookbook: defaultwindowscmdlinecookbook.jbs Time: 14:20:48 Date: 09/12/2020 Version: 31.0.0 Red Diamond Table of Contents Table of Contents 2 Analysis Report 4 Overview 4 General Information 4 Detection 4 Signatures 4 Classification 4 Startup 4 Malware Configuration 4 Yara Overview 4 Sigma Overview 4 Signature Overview 4 Boot Survival: 5 Mitre Att&ck Matrix 5 Behavior Graph 5 Screenshots 6 Thumbnails 6 Antivirus, Machine Learning and Genetic Malware Detection 7 Initial Sample 7 Dropped Files 7 Unpacked PE Files 7 Domains 7 URLs 7 Domains and IPs 7 Contacted Domains 8 Contacted IPs 8 General Information 8 Simulations 8 Behavior and APIs 8 Joe Sandbox View / Context 8 IPs 9 Domains 9 ASN 9 JA3 Fingerprints 9 Dropped Files 9 Created / dropped Files 9 Static File Info 9 No static file info 9 Network Behavior 9 Code Manipulations 9 Statistics 9 Behavior 9 System Behavior 10 Analysis Process: cmd.exe PID: 6668 Parent PID: 2124 10 General 10 File Activities 10 Analysis Process: conhost.exe PID: 6676 Parent PID: 6668 10 General 10 Analysis Process: schtasks.exe PID: 6720 Parent PID: 6668 11 General 11 File Activities 11 Analysis Process: regsvr32.exe PID: 6740 Parent PID: 528 11 General 11 Disassembly 11 Code Analysis 11 Copyright null 2020 Page 2 of 11 Copyright null 2020 Page 3 of 11 Analysis Report Overview General Information Detection Signatures Classification Analysis ID: 328642 UUsseess sscchhtttaasskkss...eexxee oorrr aattt...eexxee tttoo aadddd … Most interesting Screenshot: CUCrrsreeaasttt eesscs h aat a ppsrrrokoscc.eessxsse i iinon r s sauutss.eppxeeenn ddtoee dda dmdoo … PCPrrroeogagrrtraeams a dd opoereossc nenosotstt ssinhh ooswwu s mpeuuncchdh e aadcc ttmtiiivvoiii… Ransomware SPSaraomgprpallleem ee dxxeoececusut ttiniiooonnt sstthtoooppwss wmwhuhiicillleeh pparrrcootcicveei… Miner Spreading TSTrariiemessp ttloeo lelooxaaeddc mutiiisossnsii nnsggto DDpLsL LLwsshile proce TTrrriiieess tttoo lllooaadd miiissssiiinngg DDLLLLss mmaallliiiccciiioouusss malicious Evader Phishing sssuusssppiiiccciiioouusss Tries to load missing DLLs suspicious cccllleeaann clean Exploiter Banker Spyware Trojan / Bot Adware Score: 22 Range: 0 - 100 Whitelisted: false Confidence: 80% Startup System is w10x64 cmd.exe (PID: 6668 cmdline: cmd /C ' 'C:\Windows\system32\schtasks.exe' /Create /RU 'NT AUTHORITY\SYSTEM' /tn vsmztxer /tr 'regsvr32.exe -s \'C:\Users\Admin\AppData\Roa ming\Goka.zzxxcc\'' /SC ONCE /Z /ST 18:25 /ET 18:37' MD5: F3BDBE3BB6F734E357235F4D5898582D) conhost.exe (PID: 6676 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) schtasks.exe (PID: 6720 cmdline: 'C:\Windows\system32\schtasks.exe' /Create /RU 'NT AUTHORITY\SYSTEM' /tn vsmztxer /tr 'regsvr32.exe -s \'C:\Users\Admin\AppData\Ro aming\Goka.zzxxcc\'' /SC ONCE /Z /ST 18:25 /ET 18:37 MD5: 15FF7D8324231381BAD48A052F85DF04) regsvr32.exe (PID: 6740 cmdline: regsvr32.exe -s 'C:\Users\Admin\AppData\Roaming\Goka.zzxxcc' MD5: D78B75FC68247E8A63ACBA846182740E) cleanup Malware Configuration No configs have been found Yara Overview No yara matches Sigma Overview No Sigma rule has matched Signature Overview Copyright null 2020 Page 4 of 11 • System Summary • Boot Survival • Hooking and other Techniques for Hiding and Protection • Malware Analysis System Evasion • Anti Debugging • HIPS / PFW / Operating System Protection Evasion Click to jump to signature section Boot Survival: Uses schtasks.exe or at.exe to add and modify task schedules Mitre Att&ck Matrix Remote Initial Privilege Defense Credential Lateral Command Network Service Access Execution Persistence Escalation Evasion Access Discovery Movement Collection Exfiltration and Control Effects Effects Impact Valid Scheduled Scheduled Process Process OS Security Remote Data from Exfiltration Data Eavesdrop on Remotely Modify Accounts Task/Job 1 Task/Job 1 Injection 1 1 Injection 1 1 Credential Software Services Local Over Other Obfuscation Insecure Track Device System Dumping Discovery 1 System Network Network Without Partition Medium Communication Authorization Default Scheduled DLL Side- Scheduled DLL Side- LSASS System Remote Data from Exfiltration Junk Data Exploit SS7 to Remotely Device Accounts Task/Job Loading 1 Task/Job 1 Loading 1 Memory Information Desktop Removable Over Redirect Phone Wipe Data Lockout Discovery 1 Protocol Media Bluetooth Calls/SMS Without Authorization Domain At (Linux) Logon Script DLL Side- Obfuscated Security Query SMB/Windows Data from Automated Steganography Exploit SS7 to Obtain Delete Accounts (Windows) Loading 1 Files or Account Registry Admin Shares Network Exfiltration Track Device Device Device Information Manager Shared Location Cloud Data Drive Backups Behavior Graph Copyright null 2020 Page 5 of 11 Hide Legend Legend: Process Behavior Graph Signature ID: 328642 Created File Cookbook: defaultwindowscmdlinecookbook.jbs DNS/IP Info Startdate: 09/12/2020 Is Dropped Architecture: WINDOWS Is Windows Process Score: 22 Number of created Registry Values Number of created Files Visual Basic Uses schtasks.exe or Delphi at.exe to add and modify started started task schedules Java .Net C# or VB.NET C, C++ or other language Is malicious cmd.exe regsvr32.exe Internet 1 started started conhost.exe schtasks.exe 1 Screenshots Thumbnails This section contains all screenshots as thumbnails, including those not shown in the slideshow. Copyright null 2020 Page 6 of 11 Antivirus, Machine Learning and Genetic Malware Detection Initial Sample No Antivirus matches Dropped Files No Antivirus matches Unpacked PE Files No Antivirus matches Domains No Antivirus matches URLs No Antivirus matches Domains and IPs Copyright null 2020 Page 7 of 11 Contacted Domains No contacted domains info Contacted IPs No contacted IP infos General Information Joe Sandbox Version: 31.0.0 Red Diamond Analysis ID: 328642 Start date: 09.12.2020 Start time: 14:20:48 Joe Sandbox Product: CloudBasic Overall analysis duration: 0h 3m 47s Hypervisor based Inspection enabled: false Report type: light Cookbook file name: defaultwindowscmdlinecookbook.jbs Analysis system description: Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 Number of analysed new started processes analysed: 24 Number of new started drivers analysed: 0 Number of existing processes analysed: 0 Number of existing drivers analysed: 0 Number of injected processes analysed: 0 Technologies: HCA enabled EGA enabled HDC enabled AMSI enabled Analysis Mode: default Analysis stop reason: Timeout Detection: SUS Classification: sus22.win@5/0@0/0 EGA Information: Failed HDC Information: Failed HCA Information: Successful, ratio: 100% Number of executed functions: 0 Number of non-executed functions: 0 Cookbook Comments: Adjust boot time Enable AMSI Warnings: Show All Exclude process from analysis (whitelisted): MpCmdRun.exe, BackgroundTransferHost.exe, backgroundTaskHost.exe, SgrmBroker.exe, conhost.exe, svchost.exe Simulations Behavior and APIs Time Type Description 14:21:35 Task Scheduler Run new task: vsmztxer path: regsvr32.exe s>-s "C:\Users\Admin\AppData\Roaming\Goka.zzxxcc" Joe Sandbox View / Context Copyright null 2020 Page 8 of 11 IPs No context Domains No context ASN No context JA3 Fingerprints No context Dropped Files No context Created / dropped Files No created / dropped files found Static File Info No static file info Network Behavior No network behavior found Code Manipulations Statistics Behavior • cmd.exe • conhost.exe • schtasks.exe • regsvr32.exe Copyright null 2020 Page 9 of 11 Click to jump to process System Behavior Analysis Process: cmd.exe PID: 6668 Parent PID: 2124 General Start time: 14:21:34 Start date: 09/12/2020 Path: C:\Windows\SysWOW64\cmd.exe Wow64 process (32bit): true Commandline: cmd /C ' 'C:\Windows\system32\schtasks.exe' /Create /RU 'NT AUTHORITY\SYSTEM' /tn vsmztxer /tr 'regsvr32.exe -s \'C:\Users\Admin\AppData\Roaming\Goka.zzxxcc\'' /SC ONCE /Z /ST 18:25 /ET 18:37' Imagebase: 0xbd0000 File size: 232960 bytes MD5 hash: F3BDBE3BB6F734E357235F4D5898582D Has elevated privileges: true Has administrator privileges: true Programmed in: C, C++ or other language Reputation: high File Activities Source File Path Access Attributes Options Completion Count Address Symbol Analysis Process: conhost.exe PID: 6676 Parent PID: 6668 General Start time: 14:21:34 Start date: 09/12/2020 Path: C:\Windows\System32\conhost.exe Wow64 process (32bit): false Commandline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 Imagebase: 0x7ff6b2800000 File size: 625664 bytes MD5 hash: EA777DEEA782E8B4D7C7C33BBF8A4496 Has elevated privileges: true Has administrator privileges: true Programmed in: C, C++ or other language Reputation: high Copyright null 2020 Page 10 of 11 Analysis Process: schtasks.exe PID: 6720 Parent PID: 6668 General Start time: 14:21:35 Start date: 09/12/2020 Path: C:\Windows\SysWOW64\schtasks.exe Wow64 process (32bit): true Commandline: 'C:\Windows\system32\schtasks.exe' /Create /RU 'NT AUTHORITY\SYSTEM' /tn vsmztxer /tr 'regsvr32.exe -s \'C:\Users\Admin\AppData\Roaming\Goka.zzxxcc\'' /SC ONCE /Z /ST 18:25 /ET 18:37 Imagebase: 0xa10000 File size: 185856 bytes MD5 hash: 15FF7D8324231381BAD48A052F85DF04 Has elevated privileges: true Has administrator privileges: true Programmed in: C, C++ or other language Reputation: high File Activities Source File Path Access Attributes Options Completion Count Address Symbol Analysis Process: regsvr32.exe PID: 6740 Parent PID: 528 General Start time: 14:21:35 Start date: 09/12/2020 Path: C:\Windows\System32\regsvr32.exe Wow64 process (32bit): false Commandline: regsvr32.exe -s 'C:\Users\Admin\AppData\Roaming\Goka.zzxxcc' Imagebase: 0x7ff6b2f80000 File size: 24064 bytes MD5 hash: D78B75FC68247E8A63ACBA846182740E Has elevated privileges: true Has administrator privileges: true Programmed in: C, C++ or other language Reputation: moderate Disassembly Code Analysis Copyright null 2020 Page 11 of 11.