Automated Malware Analysis Report for 928374982730947.Cmd
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ID: 70283 Sample Name: 928374982730947.cmd Cookbook: default.jbs Time: 13:28:23 Date: 31/07/2018 Version: 23.0.0 Table of Contents Table of Contents 2 Analysis Report 4 Overview 4 General Information 4 Detection 4 Confidence 4 Classification 5 Signature Overview 5 AV Detection: 6 Networking: 6 System Summary: 6 Hooking and other Techniques for Hiding and Protection: 6 Malware Analysis System Evasion: 6 Behavior Graph 6 Simulations 7 Behavior and APIs 7 Antivirus Detection 7 Initial Sample 7 Dropped Files 7 Unpacked PE Files 7 Domains 7 URLs 8 Yara Overview 8 Initial Sample 8 PCAP (Network Traffic) 8 Dropped Files 8 Memory Dumps 8 Unpacked PEs 8 Joe Sandbox View / Context 8 IPs 8 Domains 8 ASN 8 Dropped Files 8 Screenshots 8 Startup 9 Created / dropped Files 9 Contacted Domains/Contacted IPs 10 Contacted Domains 10 Contacted IPs 10 Public 10 Private 10 Static File Info 10 General 10 File Icon 11 Network Behavior 11 Code Manipulations 11 Statistics 11 Behavior 11 System Behavior 11 Analysis Process: cmd.exe PID: 3944 Parent PID: 3512 11 General 11 Copyright Joe Security LLC 2018 Page 2 of 13 File Activities 12 File Created 12 File Read 12 Analysis Process: PING.EXE PID: 3984 Parent PID: 3944 12 General 12 File Activities 12 Analysis Process: wscript.exe PID: 4008 Parent PID: 3944 12 General 12 File Activities 13 Registry Activities 13 Key Created 13 Disassembly 13 Code Analysis 13 Copyright Joe Security LLC 2018 Page 3 of 13 Analysis Report Overview General Information Joe Sandbox Version: 23.0.0 Analysis ID: 70283 Start time: 13:28:23 Joe Sandbox Product: CloudBasic Start date: 31.07.2018 Overall analysis duration: 0h 1m 44s Hypervisor based Inspection enabled: false Report type: light Sample file name: 928374982730947.cmd Cookbook file name: default.jbs Analysis system description: Windows 7 SP1 (with Office 2010 SP2, IE 11, FF 54, Chrome 60, Acrobat Reader DC 17, Flash 26, Java 8.0.1440.1) Number of analysed new started processes analysed: 5 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 Analysis stop reason: Timeout Detection: MAL Classification: mal56.troj.evad.winCMD@5/1@0/1 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 Correcting counters for adjusted boot time Found application associated with file extension: .cmd Stop behavior analysis, all processes terminated Warnings: Show All Exclude process from analysis (whitelisted): dllhost.exe, conhost.exe Report size getting too big, too many NtSetInformationFile calls found. Detection Strategy Score Range Reporting Detection Threshold 56 0 - 100 Report FP / FN Confidence Copyright Joe Security LLC 2018 Page 4 of 13 Strategy Score Range Further Analysis Required? Confidence Threshold 5 0 - 5 false Classification Ransomware Miner Spreading mmaallliiiccciiioouusss malicious Evader Phishing sssuusssppiiiccciiioouusss suspicious cccllleeaann clean Exploiter Banker Spyware Trojan / Bot Adware Signature Overview Copyright Joe Security LLC 2018 Page 5 of 13 • AV Detection • Networking • System Summary • Hooking and other Techniques for Hiding and Protection • Malware Analysis System Evasion Click to jump to signature section AV Detection: Multi AV Scanner detection for submitted file Networking: Uses ping.exe to check the status of other devices and networks Urls found in memory or binary data System Summary: Classification label Creates files inside the user directory Executes visual basic scripts Found command line output Reads software policies Sample is known by Antivirus Spawns processes Hooking and other Techniques for Hiding and Protection: Disables application error messsages (SetErrorMode) Malware Analysis System Evasion: Uses ping.exe to sleep Found WSH timer for Javascript or VBS script (likely evasive script) Behavior Graph Copyright Joe Security LLC 2018 Page 6 of 13 Hide Legend Behavior Graph Legend: ID: 70283 Process Sample: 928374982730947.cmd Signature Startdate: 31/07/2018 Architecture: WINDOWS Created File Score: 56 DNS/IP Info Is Dropped Is Windows Process Uses ping.exe to check Multi AV Scanner detection Uses ping.exe to sleep the status of other started Number of created Registry Values for submitted file devices and networks Number of created Files Visual Basic Delphi cmd.exe Java .Net C# or VB.NET 2 C, C++ or other language Is malicious Uses ping.exe to sleep started started PING.EXE wscript.exe 127.0.0.1 unknown unknown Simulations Behavior and APIs Time Type Description 13:28:30 API Interceptor 1x Sleep call for process: wscript.exe modified Antivirus Detection Initial Sample Source Detection Scanner Label Link 928374982730947.cmd 23% virustotal Browse 928374982730947.cmd 0% metadefender Browse Dropped Files No Antivirus matches Unpacked PE Files No Antivirus matches Domains No Antivirus matches Copyright Joe Security LLC 2018 Page 7 of 13 URLs No Antivirus matches Yara Overview Initial Sample No yara matches PCAP (Network Traffic) No yara matches Dropped Files No yara matches Memory Dumps No yara matches Unpacked PEs No yara matches Joe Sandbox View / Context IPs No context Domains No context ASN No context Dropped Files No context Screenshots Copyright Joe Security LLC 2018 Page 8 of 13 Startup System is w7 cmd.exe (PID: 3944 cmdline: C:\Windows\system32\cmd.exe /c ''C:\Users\user\Desktop\928374982730947.cmd' ' MD5: AD7B9C14083B52BC532FBA5948342B98) PING.EXE (PID: 3984 cmdline: ping 127.0.0.1 -n 1 MD5: 6242E3D67787CCBF4E06AD2982853144) wscript.exe (PID: 4008 cmdline: wscript //Nologo C:\Users\user\Temp\user.vbs MD5: 979D74799EA6C8B8167869A68DF5204A) cleanup Created / dropped Files \Device\Null Process: C:\Windows\System32\PING.EXE File Type: ASCII text, with CRLF line terminators Size (bytes): 282 Entropy (8bit): 4.885120575367097 Encrypted: false MD5: 3D76B6100402FB39286186736F21B2CF SHA1: 3267DA48E71623AB8E342C06F4733FFD2FF5BEAD SHA-256: 0455D41F72FC7E9C08BF80270E75B86BF879E10DB2407926A10E43F3BDD1233E SHA-512: 33F800C96C7701D4983C9CDAD0F85C2D84EF4FBBB39D8F0B850586593101E9249097AAA5735CE9583A38C71A250 0B9D875C2CFE2398BDD64218810FB18F3D949 Malicious: false Reputation: moderate, very likely benign file Copyright Joe Security LLC 2018 Page 9 of 13 Contacted Domains/Contacted IPs Contacted Domains No contacted domains info Contacted IPs No. of IPs < 25% 25% < No. of IPs < 50% 50% < No. of IPs < 75% 75% < No. of IPs Public IP Country Flag ASN ASN Name Malicious Private IP 127.0.0.1 Static File Info General File type: DOS batch file, ASCII text, with very long lines, with CRLF line terminators Entropy (8bit): 4.402118298331553 TrID: Visual Basic Script (6000/0) 100.00% File name: 928374982730947.cmd File size: 84974 MD5: 5a9f8669fa3b27c26ab298c9213931c6 SHA1: b9f54c25314e16096b3c332f0c65ae4d348d64c0 SHA256: dce92dfc27f21b03951df1ddee498fdcbf1b7b5d7f2a0c33 b8ee3fd10325aa75 SHA512: 83a6fe98398959019d3be7fcd1fe0b41c77cbaeeca58787 840b4d1b5a3068f7917363646ca9cc2d9a1eb06c3ee8a6 9bfa9bdb16d8219e0e9e85db494dd664c49 Copyright Joe Security LLC 2018 Page 10 of 13 General File Content Preview: @echo off..SETLOCAL..md "%USERPROFILE%\Temp" && cls..set BMASNAKDNKFASDCYCYCYCYYCYCYC YCYC=%USERNAME%.vbs..set BANNASJAKSKNKNB ANNASKALJSNLKNCIIIICICCCIICIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIAHSHSHSIHIHSISHISHSHIISHIHSIH SIHSIHSASDJ File Icon Network Behavior No network behavior found Code Manipulations Statistics Behavior • cmd.exe • PING.EXE • wscript.exe Click to jump to process System Behavior Analysis Process: cmd.exe PID: 3944 Parent PID: 3512 General Start time: 13:28:28 Start date: 31/07/2018 Path: C:\Windows\System32\cmd.exe Wow64 process (32bit): false Commandline: C:\Windows\system32\cmd.exe /c ''C:\Users\user\Desktop\928374982730947.cmd' ' Imagebase: 0x4a5d0000 Copyright Joe Security LLC 2018 Page 11 of 13 File size: 302592 bytes MD5 hash: AD7B9C14083B52BC532FBA5948342B98 Has administrator privileges: true Programmed in: C, C++ or other language Reputation: high File Activities File Created Source File Path Access Attributes Options Completion Count Address Symbol C:\Users\user\Temp read data or list normal directory file | success or wait 1 4A5DF8A4 CreateDirectoryW directory | synchronous io synchronize non alert | open for backup ident | open reparse point C:\Users\Sam read attributes | normal synchronous io success or wait 1 4A5DD8F1 CreateFileW synchronize | non alert | non generic write directory file File Read Source File Path Offset Length Completion Count Address Symbol C:\Users\user\Desktop\928374982730947.cmd unknown 8191 success or wait 7 4A5D4DE3 ReadFile C:\Users\user\Desktop\928374982730947.cmd unknown 512 success or wait 1 4A5D4DE3 ReadFile C:\Users\user\Desktop\928374982730947.cmd unknown 8191 success or wait 202 4A5D4DE3 ReadFile C:\Users\user\Desktop\928374982730947.cmd unknown 512 success or wait 210 4A5D4DE3 ReadFile C:\Users\user\Desktop\928374982730947.cmd unknown 512 end of file 1 4A5D4DE3 ReadFile C:\Users\user\Desktop\928374982730947.cmd unknown 8191 end of file 1 4A5D4DE3 ReadFile Analysis Process: PING.EXE PID: 3984 Parent PID: 3944 General Start time: 13:28:29 Start date: 31/07/2018 Path: C:\Windows\System32\PING.EXE Wow64 process (32bit): false Commandline: ping 127.0.0.1 -n 1 Imagebase: 0xe10000 File size: 15360 bytes MD5 hash: 6242E3D67787CCBF4E06AD2982853144 Has administrator privileges: true Programmed