Analysis

  • max time kernel
    107s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2023, 16:56

General

  • Target
    Statement of account.exe
  • Size 302KB
  • Sample230207-vfpblsga2s
  • SHA256 77dab247203f103e2c7e5139d3d67cc41c2d375bdfb56b9fa902c53a4079a489
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot6192832133:AAF7C5Hu2cAny_oozlOAGw_7DWfvYVumEbE/sendMessage?chat_id=2021395706

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Disables Task Manager via registry modification
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Statement of account.exe
    "C:\Users\Admin\AppData\Local\Temp\Statement of account.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\Statement of account.exe
      "C:\Users\Admin\AppData\Local\Temp\Statement of account.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2404

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        Statement of account.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Statement of account.exe.log
        • Size 902B
        • SHA256 390d00fc47c4d5ca641e0dd46a21ca728ba3163b70a8687d680bfe53495c524e
        • MD5 SHA1 SHA512

        memory/2404-137-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/2404-139-0x0000000006F30000-0x00000000070F2000-memory.dmp

        memory/2404-140-0x0000000006C90000-0x0000000006C9A000-memory.dmp

        memory/4856-132-0x0000000000820000-0x0000000000872000-memory.dmp

        memory/4856-133-0x0000000005760000-0x0000000005D04000-memory.dmp

        memory/4856-134-0x0000000005250000-0x00000000052E2000-memory.dmp

        memory/4856-135-0x0000000005400000-0x000000000549C000-memory.dmp