Overview

overview

10

Static

static

10

2024-04-28...er.exe

windows7-x64

9

2024-04-28...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-28_14c4588985ad64d02e9dfdfd199af531_cryptolocker

  • Size

    55KB

  • Sample

    240428-x4czlafd5t

  • MD5

    14c4588985ad64d02e9dfdfd199af531

  • SHA1

    a2e8151a3c81d3592ca09288eafc289c5fbe1b16

  • SHA256

    6d2ab12fcfe043fff97ce6163352d3f662056564340d084a9c99a797136489c0

  • SHA512

    bf24515268b75dfe6cfad1f449984284dc5435ff4c2c2d1cbc83a7bd9fad07ffa98da1267900765c71cf90594f3ba115fd09fdd670adfabd2d2d5ca7b4dadf53

  • SSDEEP

    768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+SZ:bP9g/xtCS3Dxx0JSZ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-28_14c4588985ad64d02e9dfdfd199af531_cryptolocker

    • Size

      55KB

    • MD5

      14c4588985ad64d02e9dfdfd199af531

    • SHA1

      a2e8151a3c81d3592ca09288eafc289c5fbe1b16

    • SHA256

      6d2ab12fcfe043fff97ce6163352d3f662056564340d084a9c99a797136489c0

    • SHA512

      bf24515268b75dfe6cfad1f449984284dc5435ff4c2c2d1cbc83a7bd9fad07ffa98da1267900765c71cf90594f3ba115fd09fdd670adfabd2d2d5ca7b4dadf53

    • SSDEEP

      768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+SZ:bP9g/xtCS3Dxx0JSZ

    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