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_3fbb44fe3b30b54bee323310173bebd8_cryptolocker

  • Size

    39KB

  • Sample

    240523-cx8gpsae81

  • MD5

    3fbb44fe3b30b54bee323310173bebd8

  • SHA1

    ef99ac32c856483241ce433cbf71ce6ea7683566

  • SHA256

    960890c0a08994db206ae216a467454626540fc1f8f1c9aef3c7867d9b6433af

  • SHA512

    808479ab1625e0245ee43b4db1ca83f4fb832c086046aa5a9bf1314ab43eb543f7e0982e1c03134cddb36d87843ec08be43961b7d422f0339403fa469a219a89

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8l2S:qDdFJy3QMOtEvwDpjjWMl7Tdn83

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_3fbb44fe3b30b54bee323310173bebd8_cryptolocker

    • Size

      39KB

    • MD5

      3fbb44fe3b30b54bee323310173bebd8

    • SHA1

      ef99ac32c856483241ce433cbf71ce6ea7683566

    • SHA256

      960890c0a08994db206ae216a467454626540fc1f8f1c9aef3c7867d9b6433af

    • SHA512

      808479ab1625e0245ee43b4db1ca83f4fb832c086046aa5a9bf1314ab43eb543f7e0982e1c03134cddb36d87843ec08be43961b7d422f0339403fa469a219a89

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8l2S:qDdFJy3QMOtEvwDpjjWMl7Tdn83

    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