Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-22_545c5d1d7027747e8e54b6fbb54b39da_cryptolocker

  • Size

    60KB

  • Sample

    240522-zbzzrsff83

  • MD5

    545c5d1d7027747e8e54b6fbb54b39da

  • SHA1

    6a498af401d5ee093d99a9a858b2bb3acea5b32d

  • SHA256

    9a1cc729c2af721f81888c0e92e83419701909b334b0a5c0c5605a97514de834

  • SHA512

    5fa3bb029ec38ad43e3f9b65d1d68a81ebae25f3ae4cebdbea41ad481117117403281fe7b96706cd2bd0615944a41d1e447cbfb6011550b456e0ddd27545fce6

  • SSDEEP

    768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pi:H6QFElP6n+gou9cvMOtEvwDpjCpVX4

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_545c5d1d7027747e8e54b6fbb54b39da_cryptolocker

    • Size

      60KB

    • MD5

      545c5d1d7027747e8e54b6fbb54b39da

    • SHA1

      6a498af401d5ee093d99a9a858b2bb3acea5b32d

    • SHA256

      9a1cc729c2af721f81888c0e92e83419701909b334b0a5c0c5605a97514de834

    • SHA512

      5fa3bb029ec38ad43e3f9b65d1d68a81ebae25f3ae4cebdbea41ad481117117403281fe7b96706cd2bd0615944a41d1e447cbfb6011550b456e0ddd27545fce6

    • SSDEEP

      768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pi:H6QFElP6n+gou9cvMOtEvwDpjCpVX4

    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