Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 12:25

General

  • Target

    2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe

  • Size

    44KB

  • MD5

    493dd7ec5ab5e24ed6c0b5e1553fc3bf

  • SHA1

    9fc9f9ce858ed7c7bfa03a8417a134e3c0a7bd6c

  • SHA256

    34ea79b06469a8f7e0245c21219df4b1f63489ab37c658af9e428a334094dd09

  • SHA512

    615836295d17d5cf9388377c30173a03b993516f46667f8e53465cfe40b5def0451284c2b528ba86ad708d8508c3221d9d0d03b0572bcb20e27d908ecc594457

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldJQf6:xj+VGMOtEvwDpjk/JQi

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 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • 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:3708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    45KB

    MD5

    ccfddbde248e8e877a901d9200cea3fd

    SHA1

    55c0d2e8d5cb72bc9306f6feceef010819971d06

    SHA256

    b47e512fc018dc29b566b6df5eb5332b2b1bac77756fbc44c5699e4477e8c9c6

    SHA512

    28383b7b7215874364af54d6edb20ed552de8f92b567abf4034c9cf80a26979fa1c226212693fc25fa9a77ba8fe5ac37ba38346b58e5bccdbcdee2ecf69a0be8

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2596-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2596-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2596-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2596-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2596-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3708-19-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

    Filesize

    24KB

  • memory/3708-20-0x0000000002000000-0x0000000002006000-memory.dmp

    Filesize

    24KB

  • memory/3708-50-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB