Analysis

  • max time kernel
    43s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04/07/2022, 07:31

General

  • Target
    VESSEL Q88.exe
  • Size 189KB
  • Sample220704-jcdj6afcfp
  • SHA256 73e4f070272e4a09024944c9efd73070c6c8762f98db9f6ddecda7244a50ceca
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 6 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VESSEL Q88.exe
    "C:\Users\Admin\AppData\Local\Temp\VESSEL Q88.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1120
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:528
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1736

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1120-61-0x0000000070540000-0x0000000070AEB000-memory.dmp

          memory/1120-60-0x0000000070540000-0x0000000070AEB000-memory.dmp

          memory/1736-65-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1736-62-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1736-63-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1736-67-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1736-68-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1736-73-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1736-71-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1964-57-0x0000000004ED0000-0x0000000004F1C000-memory.dmp

          memory/1964-56-0x0000000005250000-0x000000000531A000-memory.dmp

          memory/1964-55-0x0000000075F61000-0x0000000075F63000-memory.dmp

          memory/1964-54-0x0000000000070000-0x00000000000A4000-memory.dmp