Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-21_3c21d8460bb08376e88696230badc1b7_cryptolocker

  • Size

    38KB

  • Sample

    240521-x51gaaga5z

  • MD5

    3c21d8460bb08376e88696230badc1b7

  • SHA1

    9c3fc1a1ea9bbe1e1b48e8485b94ac59212238f6

  • SHA256

    eeedf720fe305898142de9c4b4725b3e225f69db3fcf6d76bf4ae173e7be1c9b

  • SHA512

    31538162486505fe6a66a30f93b2a71df02a76a53b4a5d6243f5fd5fe4d7ec1688ca3185d96a6c867e5e35135b53cc3201797c3ce710c7205b274716329d6342

  • SSDEEP

    768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK38nn:qUmnpomddpMOtEvwDpjjaYaQ8n

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_3c21d8460bb08376e88696230badc1b7_cryptolocker

    • Size

      38KB

    • MD5

      3c21d8460bb08376e88696230badc1b7

    • SHA1

      9c3fc1a1ea9bbe1e1b48e8485b94ac59212238f6

    • SHA256

      eeedf720fe305898142de9c4b4725b3e225f69db3fcf6d76bf4ae173e7be1c9b

    • SHA512

      31538162486505fe6a66a30f93b2a71df02a76a53b4a5d6243f5fd5fe4d7ec1688ca3185d96a6c867e5e35135b53cc3201797c3ce710c7205b274716329d6342

    • SSDEEP

      768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK38nn:qUmnpomddpMOtEvwDpjjaYaQ8n

    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