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_ed16d0a278a6f854dc73c4ad3b5f5b2a_cryptolocker

  • Size

    39KB

  • Sample

    240523-bbrrdsfe91

  • MD5

    ed16d0a278a6f854dc73c4ad3b5f5b2a

  • SHA1

    dd66cb1d04a89a89ab68f727124a4bb37c3af6a8

  • SHA256

    d546d7c2c1b8a670f4ff229c454e1757362753384d082f2248fcad1dce44d8d5

  • SHA512

    b4bfce0a9314d02b50a313f51721687db80fe5ea7b665fae4403c6bfa1ab8d39fec05bda1a6c40ef368cd62c985a1e13f7e02a84d294f7e7e6e822cc63f598af

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8h:qDdFJy3QMOtEvwDpjjWMl7Tdn8h

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_ed16d0a278a6f854dc73c4ad3b5f5b2a_cryptolocker

    • Size

      39KB

    • MD5

      ed16d0a278a6f854dc73c4ad3b5f5b2a

    • SHA1

      dd66cb1d04a89a89ab68f727124a4bb37c3af6a8

    • SHA256

      d546d7c2c1b8a670f4ff229c454e1757362753384d082f2248fcad1dce44d8d5

    • SHA512

      b4bfce0a9314d02b50a313f51721687db80fe5ea7b665fae4403c6bfa1ab8d39fec05bda1a6c40ef368cd62c985a1e13f7e02a84d294f7e7e6e822cc63f598af

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8h:qDdFJy3QMOtEvwDpjjWMl7Tdn8h

    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