Windows 7 deprecation

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

Analysis

  • max time kernel
    136s
  • max time network
    145s
  • 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, 18:53

General

  • Target

    2024-02-14_90996069556a0933380be077300b65a1_cryptolocker.exe

  • Size

    126KB

  • MD5

    90996069556a0933380be077300b65a1

  • SHA1

    748e1efb267a23410a2fd4e7ec8bcd63304e64fe

  • SHA256

    c8487f03fe6f1cd0e0225966ee99ba78c69b50fa8cf841d179479b70d378e578

  • SHA512

    776989f45d5fb6ecb3f25a82e7137c8aa88c862e46be5c854159152ce2ea3a49fb688bc9b3231be1797de865218f625911310678807fcf172d3ac363b0a1ad18

  • SSDEEP

    1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpJ:vCA9OtEvwDpjl

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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_90996069556a0933380be077300b65a1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-14_90996069556a0933380be077300b65a1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4540
    • 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:1252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    126KB

    MD5

    77ebb4c193fe499d04f0008588182565

    SHA1

    7b4a5e3f0114ba657fe0651e307ccbd45608392d

    SHA256

    a38651abb2c62b35426f0ce570a09113eb56025337da46132e0176d2846e3dee

    SHA512

    b31f2935bf5f1682059c79a8aad4d95a512854796789e25e4dbff9c19573de6ce0ce85e0f05ed1d3654fc96d42e7a07b5bb62f8ee6ffefadbea86994165382b2

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1252-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1252-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4540-0-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/4540-2-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4540-1-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB