Windows 7 deprecation

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

Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 12:01

General

  • Target

    2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker.exe

  • Size

    42KB

  • MD5

    8e4bc084fa751f1f529d6640a9faf8b5

  • SHA1

    d221faf3ef716f4833d53cce37b690de99f0f80b

  • SHA256

    87c2ee947c0fdd356d4b1bb7dbee1434827d9c0901b952fd9b71778fb6eb3cf3

  • SHA512

    ea90deb85457dd4ccc55dacdb2d3de81c4bd6f15dc90f174d730c2a2a796b7ce4db65493d4e8b2eeac7e7395144d0bfd60307db0c4e1fa6dcdd7dec0fe9566c0

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5js:m5nkFNMOtEvwDpjG8hhXj5g

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4256
    • 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:1620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    43KB

    MD5

    5d504e940fc9ed2c1759700e3dd6d25e

    SHA1

    13ba8fb66bb1ef353d310f08de447bc898102006

    SHA256

    9a159483979de01a114affdc6be0246eff6597344af1cffcf87c296b4ebfcb62

    SHA512

    47f507c0aae37284385c2c5a6c2c3f6f5421539127245407e573ce1d835565ada276678b5db58e8d793b6ba39d3da414411a1bca2de6399349bd59e27fa74ac0

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1620-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1620-21-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/1620-27-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/1620-49-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4256-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4256-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4256-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4256-9-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4256-19-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB