Overview

overview

10

Static

static

0d80447ad5...37.exe

windows7_x64

10

0d80447ad5...37.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    0d80447ad564ffd0c40cc71213787f823de1b058dc1aa856aa67f438dd51d537

  • Size

    249KB

  • Sample

    220628-wzkcfadbg7

  • MD5

    1cc0cca4d5d49aba352f4cc93aed3f6f

  • SHA1

    e7db8694074d1a2c7ac097eff4c085debe389d73

  • SHA256

    0d80447ad564ffd0c40cc71213787f823de1b058dc1aa856aa67f438dd51d537

  • SHA512

    fa127310e53e2bb80f6ea27574e2a28eddd180df0ce00fe49d53f4ba508550f5100943a4db8ac1a786468acada99fe0b1476b73417d8fa4d0349eb62a390a29e

Score
10/10
lockyadwarediscoverypersistenceransomwarestealersuricata

Malware Config

Targets

    • Target

      0d80447ad564ffd0c40cc71213787f823de1b058dc1aa856aa67f438dd51d537

    • Size

      249KB

    • MD5

      1cc0cca4d5d49aba352f4cc93aed3f6f

    • SHA1

      e7db8694074d1a2c7ac097eff4c085debe389d73

    • SHA256

      0d80447ad564ffd0c40cc71213787f823de1b058dc1aa856aa67f438dd51d537

    • SHA512

      fa127310e53e2bb80f6ea27574e2a28eddd180df0ce00fe49d53f4ba508550f5100943a4db8ac1a786468acada99fe0b1476b73417d8fa4d0349eb62a390a29e

    Score
    10/10
    lockyransomwaresuricataadwarediscoverypersistencestealer

    • Locky

      Ransomware strain released in 2016, with advanced features like anti-analysis.

      ransomwarelocky

    • suricata: ET MALWARE Locky CnC Checkin HTTP Pattern

      suricata: ET MALWARE Locky CnC Checkin HTTP Pattern

      suricata

    • suricata: ET MALWARE Locky CnC checkin Nov 21

      suricata: ET MALWARE Locky CnC checkin Nov 21

      suricata

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Registers COM server for autorun

      persistence

    • Sets file execution options in registry

      persistence

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

4
T1060

Browser Extensions

1
T1176

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Tasks