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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2024, 13:27

General

  • Target

    84890393814f5b5f09d7f41d6f0a90d6.exe

  • Size

    276KB

  • MD5

    84890393814f5b5f09d7f41d6f0a90d6

  • SHA1

    9718f38173cb56d3ea7b2bf5893c61bc77810efd

  • SHA256

    b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22

  • SHA512

    2d5e149035f731af62b9a7cc69a039a4b620e639e994b027e1b90e74a65cd5adc4a6fa0e8e351c09257b09d619d9523a9833925bbf929f2d4e2bfa748d96d50e

  • SSDEEP

    3072:x+CCSpjGZodtSu2XkePqH1A0feINRDpepu/VeprFUU5jpPPxhkjXlj:QbYjGCSuykaoXfKsVepaUVnfYX

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:2148
    • 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:220
    • C:\Users\Admin\AppData\Roaming\Wservices.exe
      "C:\Users\Admin\AppData\Roaming\Wservices.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Wservices.exe

    Filesize

    276KB

    MD5

    84890393814f5b5f09d7f41d6f0a90d6

    SHA1

    9718f38173cb56d3ea7b2bf5893c61bc77810efd

    SHA256

    b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22

    SHA512

    2d5e149035f731af62b9a7cc69a039a4b620e639e994b027e1b90e74a65cd5adc4a6fa0e8e351c09257b09d619d9523a9833925bbf929f2d4e2bfa748d96d50e

  • memory/2148-1-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/2148-0-0x00000000002E0000-0x000000000032C000-memory.dmp

    Filesize

    304KB

  • memory/2148-2-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

    Filesize

    64KB

  • memory/2148-3-0x0000000004D50000-0x0000000004DEC000-memory.dmp

    Filesize

    624KB

  • memory/2148-4-0x0000000004DF0000-0x0000000004E56000-memory.dmp

    Filesize

    408KB

  • memory/2148-5-0x00000000059F0000-0x0000000005F94000-memory.dmp

    Filesize

    5.6MB

  • memory/2148-15-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-16-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-17-0x0000000002D00000-0x0000000002D10000-memory.dmp

    Filesize

    64KB

  • memory/3748-18-0x0000000074E60000-0x0000000075610000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-19-0x0000000002D00000-0x0000000002D10000-memory.dmp

    Filesize

    64KB