Overview

overview

10

Static

static

10

2024-04-27...er.exe

windows7-x64

9

2024-04-27...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-27_037507011db2942e93cf9faf3792d382_cryptolocker

  • Size

    38KB

  • Sample

    240427-2afkvahg95

  • MD5

    037507011db2942e93cf9faf3792d382

  • SHA1

    a3c07382676f1186ee6351623a41d8ccad7e896a

  • SHA256

    3cfa4c79963b90a47f6923b4f00c883e09e8f73a402d4a2ded9925dc2ecd6489

  • SHA512

    7e767dd4292f01cf22434ad19a76df4a29f0776372ee0c6691c7e59ba7ad32b5bf8b6fdfcfd65ed4f72e80026cacd6d76b11aadaf0d6f57b7fbc79b9cb2268c4

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaP5:qDdFJy3QMOtEvwDpjjWMl7Tdx

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-27_037507011db2942e93cf9faf3792d382_cryptolocker

    • Size

      38KB

    • MD5

      037507011db2942e93cf9faf3792d382

    • SHA1

      a3c07382676f1186ee6351623a41d8ccad7e896a

    • SHA256

      3cfa4c79963b90a47f6923b4f00c883e09e8f73a402d4a2ded9925dc2ecd6489

    • SHA512

      7e767dd4292f01cf22434ad19a76df4a29f0776372ee0c6691c7e59ba7ad32b5bf8b6fdfcfd65ed4f72e80026cacd6d76b11aadaf0d6f57b7fbc79b9cb2268c4

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaP5:qDdFJy3QMOtEvwDpjjWMl7Tdx

    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