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_3acb03055347d54be2378309fd803f1a_cryptolocker

  • Size

    39KB

  • Sample

    240523-bsrgysgd8y

  • MD5

    3acb03055347d54be2378309fd803f1a

  • SHA1

    c28a95780d0b7d0873e6da2cba8e00fdb9bd213c

  • SHA256

    baa357e6b7a668181cd00fe40c4c1b6562e33861fc38bc2b3e46d09f51ab11a6

  • SHA512

    a85f07e17ff1f11d763ea20c83519c3229101deb8c512568ff21990f1a3589c2e01c3ba6b48dd95c3c2d6091b2dda8a73f575253e604564b9773e352b7199a21

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYX6:qDdFJy3QMOtEvwDpjjWMl7Tj

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_3acb03055347d54be2378309fd803f1a_cryptolocker

    • Size

      39KB

    • MD5

      3acb03055347d54be2378309fd803f1a

    • SHA1

      c28a95780d0b7d0873e6da2cba8e00fdb9bd213c

    • SHA256

      baa357e6b7a668181cd00fe40c4c1b6562e33861fc38bc2b3e46d09f51ab11a6

    • SHA512

      a85f07e17ff1f11d763ea20c83519c3229101deb8c512568ff21990f1a3589c2e01c3ba6b48dd95c3c2d6091b2dda8a73f575253e604564b9773e352b7199a21

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYX6:qDdFJy3QMOtEvwDpjjWMl7Tj

    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