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_69f988830aa93a9306b94756b32ca99f_cryptolocker

  • Size

    53KB

  • Sample

    240523-cz3dgaaf6s

  • MD5

    69f988830aa93a9306b94756b32ca99f

  • SHA1

    8e9f5c1e8550b7dcb6ec498fc083cb80fda34663

  • SHA256

    4f845bb9ede38150b16345687dd915f0f8a01b34d8d98208b85494ebc902683c

  • SHA512

    73a89882ba080bba868527f203c989444a9ab598323d181a6847b32e64a3f1cbdff5ff0b715f756fdbdf2a4da975d098a3e67cb7c178428f7ceea4bc771b361b

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTO4:z6QFElP6n+gKmddpMOtEvwDpj31i4

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_69f988830aa93a9306b94756b32ca99f_cryptolocker

    • Size

      53KB

    • MD5

      69f988830aa93a9306b94756b32ca99f

    • SHA1

      8e9f5c1e8550b7dcb6ec498fc083cb80fda34663

    • SHA256

      4f845bb9ede38150b16345687dd915f0f8a01b34d8d98208b85494ebc902683c

    • SHA512

      73a89882ba080bba868527f203c989444a9ab598323d181a6847b32e64a3f1cbdff5ff0b715f756fdbdf2a4da975d098a3e67cb7c178428f7ceea4bc771b361b

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTO4:z6QFElP6n+gKmddpMOtEvwDpj31i4

    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