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General

  • Target

    2024-05-30_b52d1d132be56a2a8bd725a9d519517b_cryptolocker

  • Size

    50KB

  • Sample

    240530-fewxqsgb63

  • MD5

    b52d1d132be56a2a8bd725a9d519517b

  • SHA1

    503a88f5a91878ba808252468c6a6bd251285872

  • SHA256

    8f3d0130bea1c325b902921b10f7ac2ac45482686bb551c5534df5e616e260a4

  • SHA512

    de4c8406135d658e066511a8ac1128bd2d7f5f51f9be6b06e80ec2252c3d1e706aa6afcc8c22a669dfd982f61171912fd23253200e227375ec532e3d46e9494d

  • SSDEEP

    768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtX:bODOw9acifAoc+vX

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-30_b52d1d132be56a2a8bd725a9d519517b_cryptolocker

    • Size

      50KB

    • MD5

      b52d1d132be56a2a8bd725a9d519517b

    • SHA1

      503a88f5a91878ba808252468c6a6bd251285872

    • SHA256

      8f3d0130bea1c325b902921b10f7ac2ac45482686bb551c5534df5e616e260a4

    • SHA512

      de4c8406135d658e066511a8ac1128bd2d7f5f51f9be6b06e80ec2252c3d1e706aa6afcc8c22a669dfd982f61171912fd23253200e227375ec532e3d46e9494d

    • SSDEEP

      768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtX:bODOw9acifAoc+vX

    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