Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 02:18

General

  • Target

    20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe

  • Size

    981KB

  • MD5

    462a9165371be9c5f86b76adbc068d37

  • SHA1

    ff92bce9d712585aea9d85be80c3142a23353613

  • SHA256

    20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79

  • SHA512

    c4008ca783ff00c5416167731944c5b5dcdeb7eefd114b6c2ad450b60e49a01cda62eab377c5e7cf084382c5b7738c7756a3a4875c7de732ff2d8a91bc62a601

  • SSDEEP

    12288:NiweayfGZVFFaAmpa/JQYemIy0R5C83ju8IhEZEusORzu+2p4EeP1R6FUkR:YweaMGj+Vzy0PC837IYHsU1Ma6FT

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe
    "C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VbOcmCITQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbOcmCITQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp648.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2872
    • C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe
      "C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp648.tmp

    Filesize

    1KB

    MD5

    85562cc9bda670363ff7240c63f1620a

    SHA1

    2f4c47690ca1fd62aa098c9933f7dec5b2827c55

    SHA256

    8ddc9654f51960558c3ffc25b43096be01f9bd3f6cf4a8b5458c89a4c7dbde19

    SHA512

    c77a6131739458dc98ace213d3fe23f797541cf6e1d5a1cc1d0f152aeecd558e11f7ec3001faf6895ed894eba706785b94fca3438b51ec50242f19f698b99423

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    e02370707f6b56177ede1f669fe3b089

    SHA1

    f021853c9197844943c030991b89037716650d96

    SHA256

    176b8088bc90f6fef0f18671f1a7da01c40259f6bc7e021d66ed80a4e3328db7

    SHA512

    d3f54c28dafe533e216e6bc28f5e9539d4f99048442abe22ca707670d064da2d6e143e96078c0b07b9de5a22857130331845fec5e4908848578b13eeb39edaf4

  • memory/2404-4-0x0000000000450000-0x000000000046E000-memory.dmp

    Filesize

    120KB

  • memory/2404-3-0x0000000004C70000-0x0000000004D30000-memory.dmp

    Filesize

    768KB

  • memory/2404-0-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/2404-5-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/2404-6-0x0000000074990000-0x000000007507E000-memory.dmp

    Filesize

    6.9MB

  • memory/2404-7-0x0000000000570000-0x00000000005FC000-memory.dmp

    Filesize

    560KB

  • memory/2404-2-0x0000000074990000-0x000000007507E000-memory.dmp

    Filesize

    6.9MB

  • memory/2404-1-0x0000000000FF0000-0x00000000010E8000-memory.dmp

    Filesize

    992KB

  • memory/2404-33-0x0000000074990000-0x000000007507E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2832-32-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2832-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2832-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2832-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2832-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2832-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2832-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB