Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-04-26_8bf81e54964cd520ef2d8c886935493f_cryptolocker

  • Size

    38KB

  • Sample

    240426-3e9j6aec49

  • MD5

    8bf81e54964cd520ef2d8c886935493f

  • SHA1

    e7449db94bbd5b434fa18b13a6f73937eadb1706

  • SHA256

    f2a0bc25e46c9aeb8b590fccfa91478e2e72251593a4eedd34e08e388b5ab238

  • SHA512

    8665ac34cbec5aa246e172bed25fb6f18d639345bb391384819c5857773d166637d6e76418c16e19ad09c3f5156a352eb6df6076fe21f55ea982ffe7ea30ee0f

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9g:qDdFJy3QMOtEvwDpjjWMl7TP

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_8bf81e54964cd520ef2d8c886935493f_cryptolocker

    • Size

      38KB

    • MD5

      8bf81e54964cd520ef2d8c886935493f

    • SHA1

      e7449db94bbd5b434fa18b13a6f73937eadb1706

    • SHA256

      f2a0bc25e46c9aeb8b590fccfa91478e2e72251593a4eedd34e08e388b5ab238

    • SHA512

      8665ac34cbec5aa246e172bed25fb6f18d639345bb391384819c5857773d166637d6e76418c16e19ad09c3f5156a352eb6df6076fe21f55ea982ffe7ea30ee0f

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9g:qDdFJy3QMOtEvwDpjjWMl7TP

    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