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_5d8ff120ae03d51846d40de7633c5020_cryptolocker

  • Size

    67KB

  • Sample

    240523-b7jqnahc2v

  • MD5

    5d8ff120ae03d51846d40de7633c5020

  • SHA1

    35b7b8a362ea46c694bb0a575c4ea93906a3954f

  • SHA256

    d669a58a8a9cefb67bce669a44a1bdcc49bf27004ca442454a17d15f866a9067

  • SHA512

    4fa09153068edc6b53fbe5a0b4e6f92f8f743ca9f6f7b691c096a4dfffca9fba62b2e3dc3e93cca4812b47f3de4b379d6aab7300a5302eb089d1ac41579f0230

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRj:1nK6a+qdOOtEvwDpjC

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_5d8ff120ae03d51846d40de7633c5020_cryptolocker

    • Size

      67KB

    • MD5

      5d8ff120ae03d51846d40de7633c5020

    • SHA1

      35b7b8a362ea46c694bb0a575c4ea93906a3954f

    • SHA256

      d669a58a8a9cefb67bce669a44a1bdcc49bf27004ca442454a17d15f866a9067

    • SHA512

      4fa09153068edc6b53fbe5a0b4e6f92f8f743ca9f6f7b691c096a4dfffca9fba62b2e3dc3e93cca4812b47f3de4b379d6aab7300a5302eb089d1ac41579f0230

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRj:1nK6a+qdOOtEvwDpjC

    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