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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/04/2024, 03:51

General

  • Target

    2024-04-24_6ad04102bf6684563731afe7c6a04838_cryptolocker.exe

  • Size

    64KB

  • MD5

    6ad04102bf6684563731afe7c6a04838

  • SHA1

    19b8c899e5d69f3ff9ba904ea3bbff0bab5b1b38

  • SHA256

    da19a1ab36bc18d58cff5136e7f8dc46a123034392d84cf0c811b3e978186ad8

  • SHA512

    9b0ababfc26e56b7092766bdfbb300e12b0253f3e3cb83b32e668684afbfe8d0fd8ea73061b95ec30f33e3960790bde2a81a32d67f7591d2cd80e9872b5ed9e3

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293CiI:aq7tdgI2MyzNORQtOflIwoHNV2XBFV72

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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-24_6ad04102bf6684563731afe7c6a04838_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-24_6ad04102bf6684563731afe7c6a04838_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    64KB

    MD5

    08c6328d2c040b2bad65b8006058788f

    SHA1

    5c23f5b9200edd468fe6a1340c13f206b9d88cc1

    SHA256

    3d20eaf2bdb37cb197f93527a9e55ea16bdeb1ef701af7f6236cdf2bb8169c1a

    SHA512

    99ba7161a386de940876d8a53567dfa5b499696aa63a4765f836d89e0b92e2dbedccf4c325e1fc09bb0cb46e5d9a51a4b474f90fbde103f4c5ca93567d424dff

  • memory/1856-17-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2732-0-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2732-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2732-8-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB