Windows 7 deprecation

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

Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2024, 10:39

General

  • Target

    2024-03-16_a76f75c83e66a940d4c9e57e9127bd11_cryptolocker.exe

  • Size

    46KB

  • MD5

    a76f75c83e66a940d4c9e57e9127bd11

  • SHA1

    bd3627286928dafb25b6ecdd239e322f7b2cba14

  • SHA256

    c7724412a81fd3400def867f2bd763015a3c26fee6df794112a5b7c07a9c7ff7

  • SHA512

    43d73df335ae55987e02efd6c63ddf1e39957cd5e88eb0dac8c72de08a4d617f742b48e5b2584ffc3fac4567fd893cb483eaf2bec512999b140115b99004810a

  • SSDEEP

    768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Mo2pa:qmbhXDmjr5MOtEvwDpj5cDtKkQZQL

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\2024-03-16_a76f75c83e66a940d4c9e57e9127bd11_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-16_a76f75c83e66a940d4c9e57e9127bd11_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:988
  • 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=3472 --field-trial-handle=2260,i,3303482231723870786,2954015409682154873,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      47KB

      MD5

      64bc3406ada4574fe9c6396458b2d74e

      SHA1

      3e2ce8fbff85bf64679dfb493388d7c5e37c73fd

      SHA256

      9a0db462352aa0016e6166e25dc2bf8a16718e530501c8ce78c444bdc518de2a

      SHA512

      4b170920fc9de77c422c1dd4d9e51aa5fd280d89d49e3e56fb35b45df7dcc75da245b05594edc30533bea168321a4579e144d6e5b477f7d0d277dd97113cb01f

    • memory/988-19-0x0000000000520000-0x0000000000526000-memory.dmp

      Filesize

      24KB

    • memory/988-22-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/988-26-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/1556-0-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/1556-1-0x0000000002210000-0x0000000002216000-memory.dmp

      Filesize

      24KB

    • memory/1556-2-0x0000000002210000-0x0000000002216000-memory.dmp

      Filesize

      24KB

    • memory/1556-3-0x0000000002230000-0x0000000002236000-memory.dmp

      Filesize

      24KB

    • memory/1556-17-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB