Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-23_ebf902c7ef05fa767158c5edbd5b4462_cryptolocker

  • Size

    40KB

  • Sample

    240523-bbndzafe9w

  • MD5

    ebf902c7ef05fa767158c5edbd5b4462

  • SHA1

    894eeec88992c065246b05965bdec5441edd740f

  • SHA256

    b77bac988167523362851ef6942cd42b86d233ef84771f680859cfcfb06fd9d4

  • SHA512

    5f854a8d9c4f0d3194e4e64b4af0b4cb40724f3e52e788fd8caf72d3c405e899fecf7200769142b457b2c34176f849eeed68d19712a3d2d7b08176d126dd16b8

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0gj:qDdFJy3QMOtEvwDpjjWMl7TdCgj

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_ebf902c7ef05fa767158c5edbd5b4462_cryptolocker

    • Size

      40KB

    • MD5

      ebf902c7ef05fa767158c5edbd5b4462

    • SHA1

      894eeec88992c065246b05965bdec5441edd740f

    • SHA256

      b77bac988167523362851ef6942cd42b86d233ef84771f680859cfcfb06fd9d4

    • SHA512

      5f854a8d9c4f0d3194e4e64b4af0b4cb40724f3e52e788fd8caf72d3c405e899fecf7200769142b457b2c34176f849eeed68d19712a3d2d7b08176d126dd16b8

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0gj:qDdFJy3QMOtEvwDpjjWMl7TdCgj

    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