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
    14/10/2024, 02:29

General

  • Target

    2024-10-14_510b106581366678aa6afb0b09150adc_cryptolocker.exe

  • Size

    44KB

  • MD5

    510b106581366678aa6afb0b09150adc

  • SHA1

    3efc7ae4a4c6954f7058fba755c466dd72f1780b

  • SHA256

    c8e060148d79c459bf19878fcc1affac4b277b22f8f78ac4ebad1e575ed44dd6

  • SHA512

    619dcebd681966417a1f609c741a121c1256a526adcc6a53a1323b6da28edcb15d2d048471c018512839b4d19a5ff1146c1d044c7e8f418194b224d240c85163

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBKccJVODvcjpP:79mqyNhQMOtEvwDpjBzck6

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\2024-10-14_510b106581366678aa6afb0b09150adc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_510b106581366678aa6afb0b09150adc_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    af01393bb842798aebd49625b125fb97

    SHA1

    e75899bf25188d79b2a860ca1cdafce098432571

    SHA256

    90519a2a5dc277b5eddddc996ff9968fe8eec85e8d98058135013b9426c525d3

    SHA512

    ea578a08aef4ce314629197e8e45f00ea9b04d4526ffeeda8cb3c3d1483a80d42b74918bea7fcdaa9d1189a1eb7aa25a6bcb7a6abca4d02d4ae81929997decce

  • memory/1700-19-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/1700-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1700-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3820-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3820-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/3820-2-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/3820-3-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/3820-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB