Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 02:16

General

  • Target
    Specification details.exe
  • Size 491KB
  • Sample240612-cp7kfayemd
  • SHA256 59abc265daada0ab4f72b97f741f66ac7a2b35509abcd98de0e56d943ad86f4f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    valleycountysar.org

  • Port

    26

  • Password

    fY,FLoadtsiF

C2
  • http://103.130.147.85

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables with potential process hoocking 1 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Specification details.exe
    "C:\Users\Admin\AppData\Local\Temp\Specification details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\AppData\Local\Temp\Specification details.exe
      "C:\Users\Admin\AppData\Local\Temp\Specification details.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 1440
        3⤵
        • Program crash
        PID:2940
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1708 -ip 1708
    1⤵
      PID:4192

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1708-9-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/1708-14-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/1708-11-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/1708-10-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/4776-3-0x0000000004C40000-0x0000000004CD2000-memory.dmp

          memory/4776-6-0x0000000004E30000-0x0000000004E84000-memory.dmp

          memory/4776-5-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/4776-7-0x0000000004F80000-0x000000000501C000-memory.dmp

          memory/4776-8-0x0000000004EA0000-0x0000000004EA8000-memory.dmp

          memory/4776-4-0x0000000004D10000-0x0000000004D1A000-memory.dmp

          memory/4776-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

          memory/4776-2-0x00000000051F0000-0x0000000005794000-memory.dmp

          memory/4776-13-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/4776-1-0x00000000001B0000-0x0000000000232000-memory.dmp