Overview

overview

10

Static

static

f196a81eab...le.exe

windows7_x64

10

f196a81eab...le.exe

windows10_x64

10

Sharing

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General

  • Target

    f196a81eab51eadbcf3c5171c3c23ce35a7320a8434676ac9265dda2c0aec229.sample

  • Size

    580KB

  • Sample

    210726-kdcslhdxzs

  • MD5

    24271a37c49f4f1af85f11981a692c7f

  • SHA1

    994aef3ec6216ba3e7f26d890990f5fa974cd3e9

  • SHA256

    f196a81eab51eadbcf3c5171c3c23ce35a7320a8434676ac9265dda2c0aec229

  • SHA512

    847207535d295434874daff5aa6becad75c6f8a177b3d16a3624969c76b416af8e10709c1a86a96ec3275215aedcb94c78e5842d059fed7ebaa658f11a4ff825

Score
10/10
lockypersistenceransomwaresuricata

Malware Config

Targets

    • Target

      f196a81eab51eadbcf3c5171c3c23ce35a7320a8434676ac9265dda2c0aec229.sample

    • Size

      580KB

    • MD5

      24271a37c49f4f1af85f11981a692c7f

    • SHA1

      994aef3ec6216ba3e7f26d890990f5fa974cd3e9

    • SHA256

      f196a81eab51eadbcf3c5171c3c23ce35a7320a8434676ac9265dda2c0aec229

    • SHA512

      847207535d295434874daff5aa6becad75c6f8a177b3d16a3624969c76b416af8e10709c1a86a96ec3275215aedcb94c78e5842d059fed7ebaa658f11a4ff825

    Score
    10/10
    lockypersistenceransomwaresuricata

    • Locky

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

      ransomwarelocky

    • suricata: ET MALWARE Locky CnC Checkin

      suricata

    • suricata: ET MALWARE Locky CnC Checkin HTTP Pattern

      suricata

    • suricata: ET MALWARE Locky CnC checkin Nov 21

      suricata

    • suricata: ET MALWARE Locky CnC checkin Nov 21 M2

      suricata

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Tasks