Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 06:29

General

  • Target

    2024-01-25_630a29770500cc89e621c2f16d093107_cryptolocker.exe

  • Size

    59KB

  • MD5

    630a29770500cc89e621c2f16d093107

  • SHA1

    465ccafb72cd7dfa15124e0465f05c1af3970a1f

  • SHA256

    bb6999c96056a0379cf044b654e20e379b6780dd48c454e4c73028d76af6958c

  • SHA512

    e3c2aa1b2f2bc1751a06471d1f0566279875337bb79a28ab926a5a8e351834460d7a4872f1cbe0895a31b85cd612d0cb9c47bbacc6160b0ea78661454c9ac367

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMA:TCjsIOtEvwDpj5HE/OUHnSMP

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • 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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-25_630a29770500cc89e621c2f16d093107_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-25_630a29770500cc89e621c2f16d093107_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    59KB

    MD5

    e65711d56ea21e7ce7638bc463bfda6f

    SHA1

    6c6819b00162f9ea610afcc4f7d13af96e8ca39b

    SHA256

    a38a51027da95dbb590909ae18b6c75ad0f76b564b710402296f580d0b470596

    SHA512

    0333d8a03c2dcefc697302acd37bae06849fc6aa1dd725f41ee3fa6dfdad6989f2cb80a1c1cdd373adb8c07a245de656518da5231b6de8c7ace8ae41db5e6b31

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1212-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1212-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1212-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1212-3-0x0000000002250000-0x0000000002256000-memory.dmp

    Filesize

    24KB

  • memory/1212-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2244-21-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/2244-19-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/2244-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB