Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-21_58e14fa6a4bc5e1abc416863352b3109_cryptolocker

  • Size

    52KB

  • Sample

    240521-s2bljaaf8x

  • MD5

    58e14fa6a4bc5e1abc416863352b3109

  • SHA1

    8ede4fc8dab57627ebd6e3f31daea0e52cadbc19

  • SHA256

    5737522f9e0641491b13e21409f8b292a9bf091dfd4a133a8de663789d539751

  • SHA512

    189bbc80ec019003fe5abe8c9e63b2b5a982b7cd91fd7c7a4446b2ba85cdab86e9459165051b3d1d667eaad28e3e3b032c07fad874bbac69ae4bc46a5276c57c

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOeVf:z6QFElP6n+gKmddpMOtEvwDpj31iet

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_58e14fa6a4bc5e1abc416863352b3109_cryptolocker

    • Size

      52KB

    • MD5

      58e14fa6a4bc5e1abc416863352b3109

    • SHA1

      8ede4fc8dab57627ebd6e3f31daea0e52cadbc19

    • SHA256

      5737522f9e0641491b13e21409f8b292a9bf091dfd4a133a8de663789d539751

    • SHA512

      189bbc80ec019003fe5abe8c9e63b2b5a982b7cd91fd7c7a4446b2ba85cdab86e9459165051b3d1d667eaad28e3e3b032c07fad874bbac69ae4bc46a5276c57c

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOeVf:z6QFElP6n+gKmddpMOtEvwDpj31iet

    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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks