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Overview

overview

10

Static

static

10

2024-05-28...er.exe

windows7-x64

9

2024-05-28...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-28_27a8c3fff4bb6c9fec14e5b32ce35b03_cryptolocker

  • Size

    60KB

  • Sample

    240528-cyfs3scf24

  • MD5

    27a8c3fff4bb6c9fec14e5b32ce35b03

  • SHA1

    f7977a29c810288ae7599749d1cf1ea68b148420

  • SHA256

    b1db70ebb3a14b7d2c6f4caed2d7ae463204a57ec67d1376529559717c7d180d

  • SHA512

    9aabcffb87bdb3653648bffbfa8ffa2e1d2d8370f044044cebd13deafaf758bad823d4ef644959ac0243e6e7525f49dd62c84cd430e7541d24b02a239f25ae74

  • SSDEEP

    768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pU:H6QFElP6n+gou9cvMOtEvwDpjCpVXm

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-28_27a8c3fff4bb6c9fec14e5b32ce35b03_cryptolocker

    • Size

      60KB

    • MD5

      27a8c3fff4bb6c9fec14e5b32ce35b03

    • SHA1

      f7977a29c810288ae7599749d1cf1ea68b148420

    • SHA256

      b1db70ebb3a14b7d2c6f4caed2d7ae463204a57ec67d1376529559717c7d180d

    • SHA512

      9aabcffb87bdb3653648bffbfa8ffa2e1d2d8370f044044cebd13deafaf758bad823d4ef644959ac0243e6e7525f49dd62c84cd430e7541d24b02a239f25ae74

    • SSDEEP

      768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pU:H6QFElP6n+gou9cvMOtEvwDpjCpVXm

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • 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