Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:42

General

  • Target

    2024-01-25_0514ca31f4b88872aae91dd965370f05_cryptolocker.exe

  • Size

    31KB

  • MD5

    0514ca31f4b88872aae91dd965370f05

  • SHA1

    aa7dc77178500e9fcc744874403a3ed82c80d9d9

  • SHA256

    8e59acc817c5bbe96dfb2d9f516ce69f92dd6d7d37e8bd36d87ed861d34acb82

  • SHA512

    e620644e96fc4ef40ef56749e94094812324ad81e329aca4f9a9636e76d44e1e75638450b1d249fcb65aa5f5e349c8bbb3d44a1960ef1826a3ad3a23d2977f5a

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAMub4:bAvJCYOOvbRPDEgXRc+BA/b4

Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • 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\2024-01-25_0514ca31f4b88872aae91dd965370f05_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-25_0514ca31f4b88872aae91dd965370f05_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3300
    • 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:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    f9e61b4477425b3f4fbbe6a6f1128de5

    SHA1

    fc75260fb2582315ccb233a3b73fb09107731489

    SHA256

    d461198d6b085f6b96dec124b3d7caae8010ab7d6d4c59eb852d4226a1c40ffc

    SHA512

    6d95a865cb24533c72ecdf8fc1b2c2150edc4204f15b2e6150f3e20a98e3d2fc2930d2039b0561b83002ab917edf87772d2693576c0964207f5349e6f4ac3320

  • memory/2448-20-0x0000000002020000-0x0000000002026000-memory.dmp

    Filesize

    24KB

  • memory/3300-0-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/3300-1-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/3300-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB