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_c451fdde13b02fa7c73df943bf248b32_cryptolocker

  • Size

    74KB

  • Sample

    240522-dbkzysab4s

  • MD5

    c451fdde13b02fa7c73df943bf248b32

  • SHA1

    fd89786bd8fd47ad82b019190fafc1b47c85fce9

  • SHA256

    f4f83cb0f32ed8825c775ccc9f7127c446b1b5afaf7e8c540ae518767c455435

  • SHA512

    44b5575d7ed3fda40aad537c58dc9b54673597f86aebfad7a9ed542fce6afc433677ea049c4332a7a75c4695a39f2559e94918aeb6946e63601dce5e0540e2db

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GH:1nK6a+qdOOtEvwDpjm

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_c451fdde13b02fa7c73df943bf248b32_cryptolocker

    • Size

      74KB

    • MD5

      c451fdde13b02fa7c73df943bf248b32

    • SHA1

      fd89786bd8fd47ad82b019190fafc1b47c85fce9

    • SHA256

      f4f83cb0f32ed8825c775ccc9f7127c446b1b5afaf7e8c540ae518767c455435

    • SHA512

      44b5575d7ed3fda40aad537c58dc9b54673597f86aebfad7a9ed542fce6afc433677ea049c4332a7a75c4695a39f2559e94918aeb6946e63601dce5e0540e2db

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GH:1nK6a+qdOOtEvwDpjm

    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