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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12/05/2024, 14:45

General

  • Target

    2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe

  • Size

    48KB

  • MD5

    ad6baf9540b66a3b988f1008372ba552

  • SHA1

    2be6fbdd9d6c2d2162dfd2d82f3a34907cdb6a54

  • SHA256

    408471ad72b75e098ac49d6182fb865c75479efd62888caaf289df626524e6ef

  • SHA512

    e38dae8792f7be9c2f32b5d105cd83adcbd24bb688031ccbb402d29cd14ddf41425150a30bc294925be862363ebd95a2bf3ad27830f12f4a5ae3efda2f9a211f

  • SSDEEP

    384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/BdmRS+:XS5nQJ24LR1bytOOtEvwDpjNbP/bm9

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-12_ad6baf9540b66a3b988f1008372ba552_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    48KB

    MD5

    265eba6ddd9e6182dd3ec8d4d9bd8389

    SHA1

    2f633d274cdec805924b32f8dac4a49bbac17693

    SHA256

    a781537cd1987e6bd47cb1a9a0054e182b8beb536d8903e83d2e174d3313b930

    SHA512

    1646ffe5ff0fa14e1c82a90c34abce19625a92712eb3a0d79664afb6bd052af3cde4226c25f4619b3f29daf003984136cd4c2c7d9bb542b6e73533a614f0e12b

  • memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2352-1-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2352-2-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2352-3-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2352-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3048-18-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/3048-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3048-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB