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Analysis

  • max time kernel
    96s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 01:00

General

  • Target

    2024-10-06_82857129938e507dc232823c0a724e2a_cryptolocker.exe

  • Size

    58KB

  • MD5

    82857129938e507dc232823c0a724e2a

  • SHA1

    58c195828e5921c178935fb003bc056351539310

  • SHA256

    1a68a9661877698a8764b04d1800fe62f4d0d657139251815ede6165b726023f

  • SHA512

    8920722e32204a0dff18f6fd41a0b65a1058826e93f4b9474f4aae555e3082a72bf0b4f3856cdf6bd0f6fa62c0c45ef61e9b2ab611caa8d5d45dd1008ac29e79

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGF:6j+1NMOtEvwDpjr8ox8UDF

Score
7/10

Malware Config

Signatures

  • 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).

  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-06_82857129938e507dc232823c0a724e2a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_82857129938e507dc232823c0a724e2a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    59KB

    MD5

    e5bef1ae522f3b522d5e3c98fb17a408

    SHA1

    125a7b56d6fd7ed754d79fbc695a0817c5f4d96a

    SHA256

    65914b99698af6e6284cd8a5c908e58cf4cf61f64a6f68325390fd4941644dd8

    SHA512

    8e9f0cb8a2db16b82a2c2bfa9c35aaf705ec6b1b034f867ffe6e027306bfa8ca312d37a6a548084e7bd3261a7ee03ea4fa5d417adb28c17bff2c95c0a73729ef

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/764-47-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4296-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4296-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/4296-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/4296-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4296-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB