Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-26_eb375ad724dfd98145a71abbb661c4c7_cryptolocker

  • Size

    67KB

  • Sample

    240426-w7xbzahf54

  • MD5

    eb375ad724dfd98145a71abbb661c4c7

  • SHA1

    aed75a1ba2694bacb4f2a864128f4cf30e4e8cd1

  • SHA256

    b31970c7e135429c1ca4efd3a8c8046871dd4748faf94a433d05795352bf75fd

  • SHA512

    ec576a6231a55b28121b30d49d12ee9fc62af466bdba50b37021685a5a66663857c4797585f41d77bbec26ed4c8837d192d1eada3b5bd968f05d524adf6aed39

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRhN:1nK6a+qdOOtEvwDpjq

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_eb375ad724dfd98145a71abbb661c4c7_cryptolocker

    • Size

      67KB

    • MD5

      eb375ad724dfd98145a71abbb661c4c7

    • SHA1

      aed75a1ba2694bacb4f2a864128f4cf30e4e8cd1

    • SHA256

      b31970c7e135429c1ca4efd3a8c8046871dd4748faf94a433d05795352bf75fd

    • SHA512

      ec576a6231a55b28121b30d49d12ee9fc62af466bdba50b37021685a5a66663857c4797585f41d77bbec26ed4c8837d192d1eada3b5bd968f05d524adf6aed39

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRhN:1nK6a+qdOOtEvwDpjq

    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