Analysis

  • max time kernel
    140s
  • 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
    15-10-2024 00:25

General

  • Target

    2024-10-15_1f7f0f9dd509cbe63a2bc26fda44bd90_cryptolocker.exe

  • Size

    28KB

  • MD5

    1f7f0f9dd509cbe63a2bc26fda44bd90

  • SHA1

    0d49d660c2068ce6e794f77d50142cda08f76d2e

  • SHA256

    65e3d50cd003d27ba93f2063e1b6638219280780f054053e2dd7c576eea8aeff

  • SHA512

    dee3ac1e4cac104650738c46f18e8086ac2623d0de2bc9bb03e2306110f423de692e23ee5fe50f9a222e20dbd8ba311be6c256582a71ca5bf7e400e6cfb07997

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRuO:vQz7yVEhs9+js1SQtOOtEvwDpjJO

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\2024-10-15_1f7f0f9dd509cbe63a2bc26fda44bd90_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-15_1f7f0f9dd509cbe63a2bc26fda44bd90_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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:4504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    f61183bc0b74bab05b102b600a9f1324

    SHA1

    ac3d44eb130c065588dc338b7b9f1acef7db7c2c

    SHA256

    a4fb6f4a973c51b7dc5f4b701a0f712cbf897c5ff9f08319b31e6ea05505cce6

    SHA512

    4813c0306a0da93283e9ea91766ed1e74327d63e41b67e5ad90bc7fac053722f29926d9e67ba0fc5f9a3474797d09bb0e694e951603caabfd1f7ebae8847d66c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2080-0-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2080-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2080-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/4504-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4504-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB