Analysis

  • max time kernel
    91s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2022, 12:09

General

  • Target
    8891783eea39b857fcbd204cf5edacac.exe
  • Size 725KB
  • Sample221115-pbfwsadg85
  • SHA256 ba0f2bf7248cea3c02252babbff583a8d5ddfb362027a8fc765da01eec3f710a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8891783eea39b857fcbd204cf5edacac.exe
    "C:\Users\Admin\AppData\Local\Temp\8891783eea39b857fcbd204cf5edacac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Users\Admin\AppData\Local\Temp\8891783eea39b857fcbd204cf5edacac.exe
      "C:\Users\Admin\AppData\Local\Temp\8891783eea39b857fcbd204cf5edacac.exe"
      2⤵
        PID:4144
      • C:\Users\Admin\AppData\Local\Temp\8891783eea39b857fcbd204cf5edacac.exe
        "C:\Users\Admin\AppData\Local\Temp\8891783eea39b857fcbd204cf5edacac.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4532

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          8891783eea39b857fcbd204cf5edacac.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8891783eea39b857fcbd204cf5edacac.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/4532-139-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/4532-141-0x00000000062F0000-0x00000000064B2000-memory.dmp

          memory/4720-132-0x0000000000A60000-0x0000000000B1C000-memory.dmp

          memory/4720-133-0x00000000059C0000-0x0000000005F64000-memory.dmp

          memory/4720-134-0x00000000054B0000-0x0000000005542000-memory.dmp

          memory/4720-135-0x0000000005660000-0x000000000566A000-memory.dmp

          memory/4720-136-0x00000000090F0000-0x000000000918C000-memory.dmp