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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
    02/06/2024, 02:26

General

  • Target

    2024-06-02_6c546e978cdbb452cc3fe5ce8dc3b33c_cryptolocker.exe

  • Size

    97KB

  • MD5

    6c546e978cdbb452cc3fe5ce8dc3b33c

  • SHA1

    c081aa8f6503cd93cc0b2ff317d81470d1915ae3

  • SHA256

    7a4afaa26fd575504b2f0507c09aa784801647a5127a5c18d6e239128fce3c37

  • SHA512

    5a4c1a4e25c781246f0ae9f817779efabaf4a87f16e2f0aa7ed36fcc02d50eddb5464f189a82e04f7c8d8d933876e0fd3cc08cba6b944c25baf50fa40331a355

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJYT:xj+VGMOtEvwDpjubwQEIiVmksT

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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\2024-06-02_6c546e978cdbb452cc3fe5ce8dc3b33c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_6c546e978cdbb452cc3fe5ce8dc3b33c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    97KB

    MD5

    615c1a2e4baba6bf80a3a2888b234a91

    SHA1

    80258104c9ceec9456e47d78ea4f85ed74f0a695

    SHA256

    25fbd3c0ed438b6417a66f50e1021cd5d9d02f8f0409a2a184b0492cbf8edada

    SHA512

    ded0abc059715b02eaab1f3cc28e9ed5a8da5e4a8adf009cf7a4f94363eca42ced7ae0497632884a09ccc7e13068a4493519b91a24e716f83ef06334d8dfdb6d

  • memory/1640-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1640-1-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1640-9-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1640-2-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/1640-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2936-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2936-18-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2936-25-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2936-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB