Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 17:26

General

  • Target
    2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe
  • Size 47KB
  • Sample240125-vz8vcsbfc2
  • SHA256 06dc692486aa72583cedea5dd433ca6f99f6efd4972e43bfa36e350a93ca13b2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Detects executables built or packed with MPress PE compressor 4 IoCs
  • Checks computer location settings 2 TTPs 2 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:4020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 47KB
        • SHA256 06c5fd8ffbfc1c18c0f6dfb00c8809bdbb439c70d031dc7090f095cb7af5c2d0
        • MD5 SHA1 SHA512 SSDEEP

        memory/2748-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/2748-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

        memory/2748-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

        memory/2748-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

        memory/2748-17-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4020-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

        memory/4020-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/4020-54-0x0000000000500000-0x0000000000510000-memory.dmp