Analysis

  • max time kernel
    123s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2023, 15:04

General

  • Target
    Muneeb RFQ-43842 Need Offer.exe
  • Size 801KB
  • Sample230112-sfnnzacb3x
  • SHA256 53ea6b76054fdccbe2b129aa71ffadfd5a24bc8dcea34b05e5a7aadf39966a41
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5814180506:AAFpVfxl9CBszzsUeg8FTylBwiTKUc4g3lA/sendMessage?chat_id=5056270248

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Muneeb RFQ-43842 Need Offer.exe
    "C:\Users\Admin\AppData\Local\Temp\Muneeb RFQ-43842 Need Offer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\znRTQROuLj.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\znRTQROuLj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F0A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3580
    • C:\Users\Admin\AppData\Local\Temp\Muneeb RFQ-43842 Need Offer.exe
      "C:\Users\Admin\AppData\Local\Temp\Muneeb RFQ-43842 Need Offer.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2712

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4F0A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4F0A.tmp
        • Size 1KB
        • SHA256 27b27549cba173f8260d445176b261d7ed39c85be6b257a146eacf67e7f27570
        • MD5 SHA1 SHA512

        memory/996-133-0x0000000005FA0000-0x0000000006544000-memory.dmp

        memory/996-134-0x00000000059F0000-0x0000000005A82000-memory.dmp

        memory/996-135-0x00000000059D0000-0x00000000059DA000-memory.dmp

        memory/996-136-0x00000000081A0000-0x000000000823C000-memory.dmp

        memory/996-132-0x0000000000F60000-0x000000000102E000-memory.dmp

        memory/2712-143-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/2712-158-0x0000000006AC0000-0x0000000006C82000-memory.dmp

        memory/3844-144-0x0000000005200000-0x0000000005222000-memory.dmp

        memory/3844-151-0x0000000007C10000-0x000000000828A000-memory.dmp

        memory/3844-139-0x00000000029B0000-0x00000000029E6000-memory.dmp

        memory/3844-145-0x0000000005C00000-0x0000000005C66000-memory.dmp

        memory/3844-146-0x0000000005C70000-0x0000000005CD6000-memory.dmp

        memory/3844-147-0x00000000062C0000-0x00000000062DE000-memory.dmp

        memory/3844-148-0x00000000068C0000-0x00000000068F2000-memory.dmp

        memory/3844-149-0x0000000070810000-0x000000007085C000-memory.dmp

        memory/3844-150-0x0000000006880000-0x000000000689E000-memory.dmp

        memory/3844-142-0x0000000005420000-0x0000000005A48000-memory.dmp

        memory/3844-152-0x00000000075D0000-0x00000000075EA000-memory.dmp

        memory/3844-153-0x0000000007640000-0x000000000764A000-memory.dmp

        memory/3844-154-0x0000000007850000-0x00000000078E6000-memory.dmp

        memory/3844-155-0x0000000007800000-0x000000000780E000-memory.dmp

        memory/3844-156-0x0000000007910000-0x000000000792A000-memory.dmp

        memory/3844-157-0x00000000078F0000-0x00000000078F8000-memory.dmp