Windows 7 deprecation

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

Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 03:27

General

  • Target

    2024-04-09_0aa234801955fe89cb4312bb237fbec5_cryptolocker.exe

  • Size

    45KB

  • MD5

    0aa234801955fe89cb4312bb237fbec5

  • SHA1

    ffea535af304da243d258b52da33e3b07de390ea

  • SHA256

    fc803b107ad9dacaf781f5567c64c99142c2a4d44ee3bbc23d771447de6809ed

  • SHA512

    814d702e7a889a4a8f592dd5f28cd079365a2828146cac17c74cadbeedf9b3a46d2e8a45d148249e61d30df4dcb93ea331d77bd73b4db8c5fac354a909caf854

  • SSDEEP

    768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MoLn:qmbhXDmjr5MOtEvwDpj5cDtKkQZQ9

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 2 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Checks computer location settings 2 TTPs 1 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-09_0aa234801955fe89cb4312bb237fbec5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-09_0aa234801955fe89cb4312bb237fbec5_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1764
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2756 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1880

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      46KB

      MD5

      7ac0aedf06b1ec68872b7dbe8799affa

      SHA1

      da7b7f43660e53ae3bb5d72997d6230e8288b380

      SHA256

      6082c2e7358f3628ee5ae6e5d5e234340ed2d2a0a1cc38b780266e1ba8667b56

      SHA512

      8168d41a9f13bb65cf6211c01342d7c27da1a00011b156eebf618d7364cd5371a3ecb6c72dfb26fd5c09b3d8bd484da71b8789115718a03372d57fbce4235139

    • memory/1764-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

      Filesize

      24KB

    • memory/1764-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/1764-26-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/4916-0-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/4916-1-0x0000000000670000-0x0000000000676000-memory.dmp

      Filesize

      24KB

    • memory/4916-2-0x0000000000670000-0x0000000000676000-memory.dmp

      Filesize

      24KB

    • memory/4916-3-0x00000000006E0000-0x00000000006E6000-memory.dmp

      Filesize

      24KB

    • memory/4916-25-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB