Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-23_86471c74a1506060dc6af6221aa5dc04_cryptolocker

  • Size

    91KB

  • Sample

    240523-c132dsag2z

  • MD5

    86471c74a1506060dc6af6221aa5dc04

  • SHA1

    6d5bf91eb1b6847bb091cb056acfe1513ce9606d

  • SHA256

    a0b970652acd83599702e83428ea1b75ccffdd51aac1b1613138ff05d6c20b0d

  • SHA512

    10bc54d8ba1823428ba6aff6cd74e59e87927018c3bbfdd562f3c25946eb5544648e43d302bc230ca5b18d910fd4cb10f5a4cfa7777cba7a52a5bec46801bdd8

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dx:n6a+1SEOtEvwDpjYYvQd2P2

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_86471c74a1506060dc6af6221aa5dc04_cryptolocker

    • Size

      91KB

    • MD5

      86471c74a1506060dc6af6221aa5dc04

    • SHA1

      6d5bf91eb1b6847bb091cb056acfe1513ce9606d

    • SHA256

      a0b970652acd83599702e83428ea1b75ccffdd51aac1b1613138ff05d6c20b0d

    • SHA512

      10bc54d8ba1823428ba6aff6cd74e59e87927018c3bbfdd562f3c25946eb5544648e43d302bc230ca5b18d910fd4cb10f5a4cfa7777cba7a52a5bec46801bdd8

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dx:n6a+1SEOtEvwDpjYYvQd2P2

    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