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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 01:51

General

  • Target

    2024-10-18_930f321422d899296c1fc7c095a44a9c_cryptolocker.exe

  • Size

    27KB

  • MD5

    930f321422d899296c1fc7c095a44a9c

  • SHA1

    7529682886b9728fc41dba2058f3cf2f69142920

  • SHA256

    f91fdae1b4577934332b02f012101b9f959c33bc4577665fc3e53807a762c017

  • SHA512

    7216cb2cf16dec26ed7844c33ba038ce41185714b44a6cfe1e4f9df2e20823de5c48fea453f3dccd04a8b6938b3b916713e921540c6a87ef464730286bfdff3b

  • SSDEEP

    384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCA:b7o/2n1TCraU6GD1a4XA

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-18_930f321422d899296c1fc7c095a44a9c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_930f321422d899296c1fc7c095a44a9c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    28KB

    MD5

    c935c59e9005ec7e2513d162bcfa598a

    SHA1

    e709033e11f8c26331fd097eb5929ffe04fdbba2

    SHA256

    01ed31eec81a1448289f20dea4e11f4c07ec40e4dcfd32e64c96ff764e88d6fe

    SHA512

    017da2d2143b0d9a945bff43cd8c5c12bbbc4bd5ae725392f739a55bd52d1d79fdbb9351cdb5f27e0f2598a0c63a27f12f8e68f143d1b5b9c500d30d7ec48b78

  • memory/2616-25-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/3800-0-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3800-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3800-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB