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Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 04:22

General

  • Target

    2024-06-02_0cdcea499cbc4213d03d417c9b7c3b63_cryptolocker.exe

  • Size

    32KB

  • MD5

    0cdcea499cbc4213d03d417c9b7c3b63

  • SHA1

    b93f68693724f41a1fbef06fa3dceefa933eb2ac

  • SHA256

    2e7dbd7dedf740e6c56433556a8020ba6240ea083a1b4bee13d90be2f520d683

  • SHA512

    5e7256059c283fa8f33f819aabcd5b39acb25f200d6af7e5a68a77131201e6232a5b2da9036d43a372605f5931bf0de302029310ae4d97ab9823bc02e9d69210

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7y:bAvJCYOOvbRPDEgXRcJu

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-02_0cdcea499cbc4213d03d417c9b7c3b63_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_0cdcea499cbc4213d03d417c9b7c3b63_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    979897bf147fe142e80c902798b6be25

    SHA1

    ba00ffe8847eea6367541283666d719d09982a98

    SHA256

    5f386a4c41613cc941e4debe49f86e5799a326096a4f2fd2db49f0d61de37f82

    SHA512

    868d87d394e703f0162e3eef6d3e6775403e824bf82ef985489cbc8145514f252a0c799c897174054e11cb7370a305f81834a30db7ecc43fa407bf1fc3abbff6

  • memory/1904-23-0x00000000003A0000-0x00000000003A6000-memory.dmp

    Filesize

    24KB

  • memory/2032-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2032-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2032-8-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB