Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 18:26

General

  • Target

    2024-06-01_57fc38a684b777866a772a9bc164ff37_cryptolocker.exe

  • Size

    49KB

  • MD5

    57fc38a684b777866a772a9bc164ff37

  • SHA1

    74452df5d3399427b057635059cd7087a9ace041

  • SHA256

    2a25cf1c8376aed23217ed52f08389a6e38668ec64525e72be76d6dd4c7e27cd

  • SHA512

    ec1e7aabc5b4a569357e10d90d9c342d883deb862130a87c41651812e9fff5fe75b6ca345263184aa617c010951c8aba9f1232f0f2a0db70ab2acb3a580cffab

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaRh+Ep6e:xj+VGMOtEvwDpjy+TRh+EUe

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-06-01_57fc38a684b777866a772a9bc164ff37_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_57fc38a684b777866a772a9bc164ff37_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    18ebed467ea79d0091b20411cb049d84

    SHA1

    d782ce0aa126beadf0f7a43a588d972a386b00a4

    SHA256

    2e12df8282d356e234cd123d83bb816f769c1a5030ad3c186823b25cae00cd7c

    SHA512

    9dec44080b08a0939470141344b06519ed62774bf377f0229fdb1896543b01c20c01761d4854a01fe0da49d92d8d0c4b61ca4c56168de75fc2f2d1897bc0f35e

  • memory/1152-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1152-13-0x0000000002800000-0x0000000002810000-memory.dmp

    Filesize

    64KB

  • memory/1152-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1152-2-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/1152-1-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1152-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2480-19-0x00000000003B0000-0x00000000003B6000-memory.dmp

    Filesize

    24KB

  • memory/2480-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2480-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB