Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-22_ef5afb4aab095b643f25cd4d9db6649f_cryptolocker

  • Size

    40KB

  • Sample

    240522-ddyc3aaa88

  • MD5

    ef5afb4aab095b643f25cd4d9db6649f

  • SHA1

    4f4be4d59f3d632d44e62ec47cbbef8e3be0f22c

  • SHA256

    37ed7b2afe5cc070f4227a51f5b2f13f2b2d75d149ea4e5e4e5dd6aa45e85acf

  • SHA512

    ca8e3c1727445395ae71b44cecd79b1b9c20a9eaa974f08326aa311793dabc8f124f8265c2974cb53c4d7d8aa2414ff396960e4fab4c372859131df2a7eaaa35

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDkP:ZzFbxmLPWQMOtEvwDpjLeJAsKc0

Score
10/10

Malware Config

Targets

    • Target

      2024-05-22_ef5afb4aab095b643f25cd4d9db6649f_cryptolocker

    • Size

      40KB

    • MD5

      ef5afb4aab095b643f25cd4d9db6649f

    • SHA1

      4f4be4d59f3d632d44e62ec47cbbef8e3be0f22c

    • SHA256

      37ed7b2afe5cc070f4227a51f5b2f13f2b2d75d149ea4e5e4e5dd6aa45e85acf

    • SHA512

      ca8e3c1727445395ae71b44cecd79b1b9c20a9eaa974f08326aa311793dabc8f124f8265c2974cb53c4d7d8aa2414ff396960e4fab4c372859131df2a7eaaa35

    • SSDEEP

      768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDkP:ZzFbxmLPWQMOtEvwDpjLeJAsKc0

    Score
    9/10

    • Detection of CryptoLocker Variants

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks