Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_10b25386bc32e25f67bc03a4f4ed7ce9_cryptolocker

  • Size

    60KB

  • Sample

    240523-aqj5esef5y

  • MD5

    10b25386bc32e25f67bc03a4f4ed7ce9

  • SHA1

    2052c3bd6e94b75619779b2c8a5bf24a6ab4c160

  • SHA256

    e4fc241496bd0c1ff886bbb7560fce1e1797e3b2d89e39e5c9895a3e6e6d83a5

  • SHA512

    910c8e98ff799dfc4ff7fc50246e3fa8b4a8b12ae3c7ff670a4f0a66647bf53445c8f333de6a4ed86bde068b7002e3cc904407019fa21886202febfd7d448763

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf3y:z6a+CdOOtEvwDpjQ1

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_10b25386bc32e25f67bc03a4f4ed7ce9_cryptolocker

    • Size

      60KB

    • MD5

      10b25386bc32e25f67bc03a4f4ed7ce9

    • SHA1

      2052c3bd6e94b75619779b2c8a5bf24a6ab4c160

    • SHA256

      e4fc241496bd0c1ff886bbb7560fce1e1797e3b2d89e39e5c9895a3e6e6d83a5

    • SHA512

      910c8e98ff799dfc4ff7fc50246e3fa8b4a8b12ae3c7ff670a4f0a66647bf53445c8f333de6a4ed86bde068b7002e3cc904407019fa21886202febfd7d448763

    • SSDEEP

      1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf3y:z6a+CdOOtEvwDpjQ1

    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