Analysis

  • max time kernel
    133s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:37

General

  • Target

    2024-01-25_cce764b74e3f188e39e761096c1f7077_cryptolocker.exe

  • Size

    31KB

  • MD5

    cce764b74e3f188e39e761096c1f7077

  • SHA1

    7398613dd9f784df796fed4829a8ed409779d9dc

  • SHA256

    b87f9b1c76c29c034b798b890ee2852111e08f0960cc0a640b3603cd646547a3

  • SHA512

    97f91a4e7beafada60ccb32121a361f5be73bb0aad4982b68b9f7d6b468d81809eb350e4751124c9056eddcc763d7a640cd18c3c82597ac647a1b619919a554f

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cuM98h:bAvJCYOOvbRPDEgXRcuM98h

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_cce764b74e3f188e39e761096c1f7077_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-25_cce764b74e3f188e39e761096c1f7077_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:212
    • 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:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    31KB

    MD5

    bcf43ee97ca0ee1fca4c6f9a35faa6a2

    SHA1

    bd5fc8c2df620fc6f0b527550cee1ecb894e003e

    SHA256

    6c195153e8c32e85300d9208e56624a7a834989244a8b9160d2e5dd35b9f92bd

    SHA512

    4072f5292ac3f24c66254e1b97006b87e3ec89c6e74c529dc815d6bb43a19f69dda4686c2d78ff828c073ba0a80aa31c9ad8ebc00ce12bed32039b74e654135c

  • memory/212-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/212-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/212-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/3028-24-0x0000000002D60000-0x0000000002D66000-memory.dmp

    Filesize

    24KB