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_74c200cf506b6cc8f2428a66d3fac4d6_cryptolocker

  • Size

    90KB

  • Sample

    240523-c1tgysah88

  • MD5

    74c200cf506b6cc8f2428a66d3fac4d6

  • SHA1

    ebe5d25c80870069f3a9dcb27285f9340b61baa8

  • SHA256

    4d1c5ea8ba126e3e95d55b1f06ea617cc0afe15fab76be488d32069ae5a6d843

  • SHA512

    5000634a5edf512eb80b997fd321e76adb2c46dd5051b05008bda9d60db69000528c2c093cc5dfb92d26098d7bde01c9a31bac0a9234e9572a8fb2e9dda5a44e

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAH5:n6a+1SEOtEvwDpjYYvQd2PZ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_74c200cf506b6cc8f2428a66d3fac4d6_cryptolocker

    • Size

      90KB

    • MD5

      74c200cf506b6cc8f2428a66d3fac4d6

    • SHA1

      ebe5d25c80870069f3a9dcb27285f9340b61baa8

    • SHA256

      4d1c5ea8ba126e3e95d55b1f06ea617cc0afe15fab76be488d32069ae5a6d843

    • SHA512

      5000634a5edf512eb80b997fd321e76adb2c46dd5051b05008bda9d60db69000528c2c093cc5dfb92d26098d7bde01c9a31bac0a9234e9572a8fb2e9dda5a44e

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAH5:n6a+1SEOtEvwDpjYYvQd2PZ

    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