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_5c998288d9291a67b44adc886a12d1e5_cryptolocker

  • Size

    66KB

  • Sample

    240521-x7nkhaga48

  • MD5

    5c998288d9291a67b44adc886a12d1e5

  • SHA1

    fb036c8b03d8a7a5bf0f4529446f1f793207c6e7

  • SHA256

    8bbd6b32d88137612d4c944aaa0cec90a13ffe4550a53aac0826304095ec68a5

  • SHA512

    99632ba27fd7c1d0c31ed727bd9a0f9eb3fe3f41e9106b7e382779bca50b3fae4450dfaba96273189389f8669afd3dd0c10a3764c8b4cf512c52ad51fc3868b3

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyf5:1nK6a+qdOOtEvwDpjG

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_5c998288d9291a67b44adc886a12d1e5_cryptolocker

    • Size

      66KB

    • MD5

      5c998288d9291a67b44adc886a12d1e5

    • SHA1

      fb036c8b03d8a7a5bf0f4529446f1f793207c6e7

    • SHA256

      8bbd6b32d88137612d4c944aaa0cec90a13ffe4550a53aac0826304095ec68a5

    • SHA512

      99632ba27fd7c1d0c31ed727bd9a0f9eb3fe3f41e9106b7e382779bca50b3fae4450dfaba96273189389f8669afd3dd0c10a3764c8b4cf512c52ad51fc3868b3

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyf5:1nK6a+qdOOtEvwDpjG

    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