Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-05-23_3e7c55ddfe2918c0f715ff0a48f2f3bf_cryptolocker

  • Size

    39KB

  • Sample

    240523-cxz6bsag64

  • MD5

    3e7c55ddfe2918c0f715ff0a48f2f3bf

  • SHA1

    6174b11dd1e16767fec4cb8244bd7d714ea71843

  • SHA256

    b8c8c4c5b99d9209652a43ebe4b8dd062c4ddb071cbdea39dc3fe9a4dc933b8f

  • SHA512

    1282c1914281ecb0a9516e46ce89c3da411bda72a55cc833eb70e1e8309e0ed1e2b7491b55c600777516f6c5d13e0e71f5ce72db875de5fb2bcfcfbaeb6cfc86

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYn:qDdFJy3QMOtEvwDpjjWMl7T+

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_3e7c55ddfe2918c0f715ff0a48f2f3bf_cryptolocker

    • Size

      39KB

    • MD5

      3e7c55ddfe2918c0f715ff0a48f2f3bf

    • SHA1

      6174b11dd1e16767fec4cb8244bd7d714ea71843

    • SHA256

      b8c8c4c5b99d9209652a43ebe4b8dd062c4ddb071cbdea39dc3fe9a4dc933b8f

    • SHA512

      1282c1914281ecb0a9516e46ce89c3da411bda72a55cc833eb70e1e8309e0ed1e2b7491b55c600777516f6c5d13e0e71f5ce72db875de5fb2bcfcfbaeb6cfc86

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYn:qDdFJy3QMOtEvwDpjjWMl7T+

    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