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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 13:30

General

  • Target

    2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe

  • Size

    32KB

  • MD5

    c296c29fb7c63f1b9c13ade1aa6087fe

  • SHA1

    ce6132dd4b5bcf91a1f36d046e50732e9e4eb741

  • SHA256

    4ff44ccfddc7c9d2fb8cfc52becd3cf1377f859ebb9fd868dcafffdfd2e0dc1e

  • SHA512

    c35cc4e72e1a63fbeb7a45635cfad3a912d41e5ddbd018ff28126181bc35b00931dd204d6193c9679d20d5ad9eb43ecbad2de0e3bf62a83a03387a40bb858f2f

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAMub5X:bAvJCYOOvbRPDEgXRc+BA/b5

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    b3f64ccfeebb9f275e5929e84f3fa580

    SHA1

    110f787426ea1b78124bd1c69eebd54972a8ed1e

    SHA256

    1a1d7c661faf0fd0716c2bc4b90129a24cb4ad9019a366146152b34a66bbfe6f

    SHA512

    2c936e30de42b091a96d84ed0db27486d9f5ee216d0c2576e86348424af2ce8ef01a4a195d5252d5f9fe30361b92bbc6d718d52dcbcce1ed903607062eb40423

  • memory/972-0-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/972-1-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/972-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/3064-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

    Filesize

    24KB