Analysis

  • max time kernel
    149s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 18:34

General

  • Target
    84890393814f5b5f09d7f41d6f0a90d6.exe
  • Size 276KB
  • Sample231226-w7tabagccr
  • SHA256 b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84890393814f5b5f09d7f41d6f0a90d6.exe
    "C:\Users\Admin\AppData\Local\Temp\84890393814f5b5f09d7f41d6f0a90d6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Wservices.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:4348
    • C:\Users\Admin\AppData\Roaming\Wservices.exe
      "C:\Users\Admin\AppData\Roaming\Wservices.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Wservices.exe

        • Path C:\Users\Admin\AppData\Roaming\Wservices.exe
        • Size 276KB
        • SHA256 b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22
        • MD5 SHA1 SHA512 SSDEEP

        Wservices.exe

        • Path C:\Users\Admin\AppData\Roaming\Wservices.exe
        • Size 157KB
        • SHA256 35544ba550df31ee028201e91f0f289a6345bc7715fbea452988b51f3a896933
        • MD5 SHA1 SHA512 SSDEEP

        memory/2444-3-0x0000000005390000-0x000000000542C000-memory.dmp

        memory/2444-0-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2444-4-0x0000000005630000-0x0000000005696000-memory.dmp

        memory/2444-5-0x0000000006050000-0x00000000065F4000-memory.dmp

        memory/2444-2-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/2444-1-0x0000000000940000-0x000000000098C000-memory.dmp

        memory/2444-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2444-19-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2444-18-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4080-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/4080-17-0x0000000005400000-0x0000000005410000-memory.dmp

        memory/4080-20-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/4080-21-0x0000000005400000-0x0000000005410000-memory.dmp