Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    16/11/2021, 06:49

General

  • Target
    print_01.exe
  • Size 362KB
  • Sample211116-hlc5bacff3
  • SHA256 22666a923a24e2719a50e5fcf2b9be75e4a772b48023d17d9fee1ec6a79947dc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.faks-allied-health.com

  • Port

    587

  • Password

    $Faks1234

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    mail.faks-allied-health.com

  • Port

    587

  • Password

    $Faks1234

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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 3 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\print_01.exe
    "C:\Users\Admin\AppData\Local\Temp\print_01.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\print_01.exe
      "C:\Users\Admin\AppData\Local\Temp\print_01.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3320

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1548-122-0x0000000007FA0000-0x0000000007FA1000-memory.dmp

        memory/1548-118-0x0000000005890000-0x0000000005891000-memory.dmp

        memory/1548-119-0x0000000005970000-0x0000000005E6E000-memory.dmp

        memory/1548-120-0x0000000005850000-0x0000000005851000-memory.dmp

        memory/1548-121-0x0000000005A80000-0x0000000005A87000-memory.dmp

        memory/1548-115-0x0000000000E70000-0x0000000000E71000-memory.dmp

        memory/1548-123-0x0000000007F40000-0x0000000007F7D000-memory.dmp

        memory/1548-117-0x0000000005E70000-0x0000000005E71000-memory.dmp

        memory/3320-124-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/3320-131-0x00000000054A0000-0x000000000599E000-memory.dmp

        memory/3320-132-0x00000000068B0000-0x00000000068B1000-memory.dmp