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General

  • Target

    2024-05-16_3aa118c7d24c7223448df16220fe0c5b_cryptolocker

  • Size

    52KB

  • Sample

    240516-ya2arsch3v

  • MD5

    3aa118c7d24c7223448df16220fe0c5b

  • SHA1

    43bd4d447630ffaca5de6726b2bf097b4b2253a2

  • SHA256

    5eaa5fc42eda2ac7988340d23e0ef9d394a8500f4c11c2a0271f0a90516029a3

  • SHA512

    626574e31fc2a4f3f254c005a8e4a1efdbff3c9c7c221f8597e04c022f6a7e444d532db73109cd638baf6b46735add6364a4c9ad8bd0195d9918b4c429b0a6bb

  • SSDEEP

    768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOh:bODOw9acifAoc+v2

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-16_3aa118c7d24c7223448df16220fe0c5b_cryptolocker

    • Size

      52KB

    • MD5

      3aa118c7d24c7223448df16220fe0c5b

    • SHA1

      43bd4d447630ffaca5de6726b2bf097b4b2253a2

    • SHA256

      5eaa5fc42eda2ac7988340d23e0ef9d394a8500f4c11c2a0271f0a90516029a3

    • SHA512

      626574e31fc2a4f3f254c005a8e4a1efdbff3c9c7c221f8597e04c022f6a7e444d532db73109cd638baf6b46735add6364a4c9ad8bd0195d9918b4c429b0a6bb

    • SSDEEP

      768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOh:bODOw9acifAoc+v2

    Score
    9/10
    • Detection of CryptoLocker Variants

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks