Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:10

General

  • Target

    2024-09-05_85f9aa20315d40d0438a779d96958f57_cryptolocker.exe

  • Size

    32KB

  • MD5

    85f9aa20315d40d0438a779d96958f57

  • SHA1

    5e91f8fdb5e56d79ef5fb33b7ffc62d710973e02

  • SHA256

    e26e6180e9c02225453ea5cd27fdf41c39af1326eb05df5eb73e926405627888

  • SHA512

    f928f385ff4b2de2bcfcad29d17ab7ac15a2b787888be87d4e3935a9308090e8551ccfcd501ec3b4a702775b9fe860e492c85607fe12d0543bbd502b26f8f2ac

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdow:bAvJCYOOvbRPDEgXRcJV

Score
7/10

Malware Config

Signatures

  • 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).

  • 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.

  • 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\2024-09-05_85f9aa20315d40d0438a779d96958f57_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_85f9aa20315d40d0438a779d96958f57_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    b29eae9af49437022fd7a12bf1b759a5

    SHA1

    27d11630291642469f77f927800b49ee2e2575ab

    SHA256

    87dc4d8a23dd1204cf329e450c6aa0a413167b69654575d599477cd521687b4f

    SHA512

    3236be4a9d22e25cf26f4d026393222bdc1e7735e58ad3ad497e5e9424d8d24c813862369282c288674657806363275578803d2472f214bd9c55aee60ca3ebc7

  • memory/2008-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

  • memory/2008-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2008-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

  • memory/2876-23-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB