Windows 7 deprecation

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

Analysis

  • max time kernel
    86s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 04:33

General

  • Target

    2024-04-11_41ca36029ab654bfefc6b21e42d191f8_cryptolocker.exe

  • Size

    74KB

  • MD5

    41ca36029ab654bfefc6b21e42d191f8

  • SHA1

    810f8096b465c406c92e471aef779cc25af38a30

  • SHA256

    3796b5893e7daa37f9a98ef05b037af9a0e4fd5573de66d6e4fecc7bbb67b20d

  • SHA512

    76a7a7d700e81242f8143fb80b9eceeb4b4c2ecd961100dd4b11f6786ed64a650f073ba36f5f80cfbe386dbdefbe389fc8e681c71f0792793c21499d0fcc6206

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUo:ZVxkGOtEvwDpjcas

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-04-11_41ca36029ab654bfefc6b21e42d191f8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-11_41ca36029ab654bfefc6b21e42d191f8_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2192
    • 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:116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    74KB

    MD5

    225954303114cd3ce1eb6d245d5e2000

    SHA1

    786110191d4756011e5568e50179256f65d77bea

    SHA256

    e39eedbf110017bb44368ecb1389691863fac97dd5e8144eaac25ccad335012f

    SHA512

    e05699db647ed868c56e688419275f6028e0c3e12739beed909ac0a751f6f9698e6ff6c9ed3f071306096a5587216ce0a566da90720aa4d6814ee830a2b35fd4

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/116-17-0x00000000004E0000-0x00000000004F0000-memory.dmp

    Filesize

    64KB

  • memory/116-19-0x0000000001F80000-0x0000000001F86000-memory.dmp

    Filesize

    24KB

  • memory/116-21-0x0000000001F60000-0x0000000001F66000-memory.dmp

    Filesize

    24KB

  • memory/2192-0-0x00007FF86E9FC9A0-0x00007FF86EA0F9B0-memory.dmp

    Filesize

    76KB

  • memory/2192-1-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/2192-2-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/2192-3-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB