Windows 7 deprecation

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

Analysis

  • max time kernel
    88s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 13:53

General

  • Target

    2024-02-14_4c3f5ccad3f7731cf6203865f422cb86_cryptolocker.exe

  • Size

    47KB

  • MD5

    4c3f5ccad3f7731cf6203865f422cb86

  • SHA1

    a2a6daacddd99b6e1aa838e4d4f2c6145695df5a

  • SHA256

    32542cd30d065d7ad4264e4fe285a6aeea1d3afbcd7ed6c4b6ba1bb8544ebd56

  • SHA512

    257ef900d7681b21b33973792cc4aba7223664fb5a7b0310f6cb47bdc0c0f9cee35bafed3a22e397862c36a27c09e1d0edc1ecf1170efc4514a00a4a1bab09f8

  • SSDEEP

    384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/3lQIqf:XS5nQJ24LR1bytOOtEvwDpjNbP/3lHO

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 2 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-02-14_4c3f5ccad3f7731cf6203865f422cb86_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-14_4c3f5ccad3f7731cf6203865f422cb86_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3668
    • 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:1556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    48KB

    MD5

    851704f24dad6245a8ca8389071cbed8

    SHA1

    bef25a4db72a612fcb147400fb1363e0d5d424e8

    SHA256

    a925764530110b298a45a4ddcf8cb251ab680ad696e52cc137755e9b6726cf0e

    SHA512

    4307ebf8c97c918d60042bbb0ba30f06a76e062654fb572486b76881d877ab6801c7fc8e1eaf4b6d0762ecfebb1c0c3b112b0c66e79fc75847f3a9e40df7d423

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1556-19-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/1556-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1556-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3668-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3668-1-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/3668-2-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/3668-3-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/3668-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB