Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-22_7586af0b27c2facefbeb740da435ede3_cryptolocker

  • Size

    39KB

  • Sample

    240522-yphrzaed21

  • MD5

    7586af0b27c2facefbeb740da435ede3

  • SHA1

    97b32764e22e1deb11080ecbc60ec7d2e6736c0c

  • SHA256

    1b35844d6d9a7478662ced47a32880881429099188c37a157e72af312028c659

  • SHA512

    6becb201136c3f4029346fd346b0c63e56d684e16081638210cc3c6c8fde1c3bd1fcee77c180b226d02e564713f49ffd42fe582d9237141a10371564d0d7aef9

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaaUr:qDdFJy3QMOtEvwDpjjWMl7TdaUr

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_7586af0b27c2facefbeb740da435ede3_cryptolocker

    • Size

      39KB

    • MD5

      7586af0b27c2facefbeb740da435ede3

    • SHA1

      97b32764e22e1deb11080ecbc60ec7d2e6736c0c

    • SHA256

      1b35844d6d9a7478662ced47a32880881429099188c37a157e72af312028c659

    • SHA512

      6becb201136c3f4029346fd346b0c63e56d684e16081638210cc3c6c8fde1c3bd1fcee77c180b226d02e564713f49ffd42fe582d9237141a10371564d0d7aef9

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaaUr:qDdFJy3QMOtEvwDpjjWMl7TdaUr

    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