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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30/04/2024, 18:55

General

  • Target

    2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe

  • Size

    36KB

  • MD5

    ae7b63364a6527707694703cf170afb3

  • SHA1

    ab2136ea19a620beb93b209434e499a75d6f9eb1

  • SHA256

    77cc9a366157f9e2fd06dc8a7f7f7afd3bbc7196e924199ad13489e6c9969ada

  • SHA512

    e7f4c9b7623cbe40bcdf21c60ae324698afac16a7d84d46a23a77973e717e0388a4c42698d0854837988c901e1f6a1118fe802c74a062edbb5154ee1e9f49c89

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+40L:fT+hsMQMOtEvwDpjoIH4

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    7cc713bbae8c0072c72962723203dd7b

    SHA1

    50c16deb4d4638355110f49f136b46ab313e5ff7

    SHA256

    6f912c500dd12adcb62900f8c7912670fa16017d7a11c330a8200843e98c4270

    SHA512

    7db358f579d428f8d491c498394d22f429e8177a3e024799db92ffbbe850e403a8d86d0ccfe8b88d00470c581b292e075f86568dc0ff83922144f1b32ac44acc

  • memory/2272-15-0x00000000020B0000-0x00000000020B6000-memory.dmp

    Filesize

    24KB

  • memory/2272-22-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2400-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2400-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2400-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB