Analysis

  • max time kernel
    112s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 07:59

General

  • Target
    SOA.exe
  • Size 746KB
  • Sample220919-jvdymsbcen
  • SHA256 4777908496da047060e337d98110d79430af57bfd140ecfcc7f136e0cfd5cc7d
  • 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
  • Disables Task Manager via registry modification
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 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\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NuUgJoCjfSWiaZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D79.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4592
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4860

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmp9D79.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp9D79.tmp
        • Size 1KB
        • SHA256 0657f40fc68da124d7d997eb916589a94f82a77b06b77c2e0a54e61d905058f6
        • MD5 SHA1 SHA512

        memory/4668-132-0x0000000000A20000-0x0000000000AE0000-memory.dmp

        memory/4668-133-0x0000000005A20000-0x0000000005FC4000-memory.dmp

        memory/4668-134-0x0000000005470000-0x0000000005502000-memory.dmp

        memory/4668-135-0x00000000055B0000-0x000000000564C000-memory.dmp

        memory/4668-136-0x0000000005520000-0x000000000552A000-memory.dmp

        memory/4860-140-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/4860-141-0x0000000006B50000-0x0000000006D12000-memory.dmp