Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-21_f8dcc64922f0c479dc3332813acb41e8_cryptolocker

  • Size

    56KB

  • Sample

    240521-tka44sbc62

  • MD5

    f8dcc64922f0c479dc3332813acb41e8

  • SHA1

    09314b635d770d9a4fe42b4d1f55c80a631a624c

  • SHA256

    677399e6c73e4e1c2e0e0873743738d73a5aeb0ffc659e86730d4b4c8f2bbc0b

  • SHA512

    a913c565af776bc8e279a654e836a790d7d092ca0573d8b98b7bd280a62cbe1f3c0c111eeb835b636587de90b638f3aca59d08f6cb38ec9329ac025cc2b8da37

  • SSDEEP

    768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlY6:bP9g/xtCS3Dxx0L6

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_f8dcc64922f0c479dc3332813acb41e8_cryptolocker

    • Size

      56KB

    • MD5

      f8dcc64922f0c479dc3332813acb41e8

    • SHA1

      09314b635d770d9a4fe42b4d1f55c80a631a624c

    • SHA256

      677399e6c73e4e1c2e0e0873743738d73a5aeb0ffc659e86730d4b4c8f2bbc0b

    • SHA512

      a913c565af776bc8e279a654e836a790d7d092ca0573d8b98b7bd280a62cbe1f3c0c111eeb835b636587de90b638f3aca59d08f6cb38ec9329ac025cc2b8da37

    • SSDEEP

      768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlY6:bP9g/xtCS3Dxx0L6

    Score
    9/10
    upx

    • 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.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks