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
    17/11/2022, 08:20

General

  • Target
    10ed3b9ed303c5cafc3d200379a059a5.exe
  • Size 522KB
  • Sample221117-j8fdmaea25
  • SHA256 ad685db8c0a4dab90ebbd009ad5df9208b1ad93ea8d9773f30542cc7e64377bb
  • 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 1 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\10ed3b9ed303c5cafc3d200379a059a5.exe
    "C:\Users\Admin\AppData\Local\Temp\10ed3b9ed303c5cafc3d200379a059a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\10ed3b9ed303c5cafc3d200379a059a5.exe
      "C:\Users\Admin\AppData\Local\Temp\10ed3b9ed303c5cafc3d200379a059a5.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3708

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        10ed3b9ed303c5cafc3d200379a059a5.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\10ed3b9ed303c5cafc3d200379a059a5.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/3708-138-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/3708-140-0x0000000006D40000-0x0000000006F02000-memory.dmp

        memory/4800-132-0x0000000000CE0000-0x0000000000D68000-memory.dmp

        memory/4800-133-0x0000000005D20000-0x00000000062C4000-memory.dmp

        memory/4800-134-0x0000000005770000-0x0000000005802000-memory.dmp

        memory/4800-135-0x0000000005700000-0x000000000570A000-memory.dmp

        memory/4800-136-0x00000000093F0000-0x000000000948C000-memory.dmp