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Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://bit.ly/triag...

windows10-2004-x64

Resubmissions

18/04/2024, 16:57

240418-vgmjeaaa67 9

16/04/2024, 15:15

240416-sm328sdc55 9

16/04/2024, 14:46

240416-r5c34acf52 9

16/04/2024, 13:32

240416-qs9e4ach4t 9

15/04/2024, 23:55

240415-3yn3kabg48 9

15/04/2024, 22:47

240415-2qtgmsad66 9

15/04/2024, 20:55

240415-zqqpmsgb58 8

15/04/2024, 13:28

240415-qq2x8shg6y 6

Sharing

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General

  • Target

    https://bit.ly/triageshare2024

  • Sample

    240412-zmm5cahd31

Score
10/10
cryptolockerdiscoveryevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      https://bit.ly/triageshare2024

    Score
    10/10
    cryptolockerdiscoveryevasionpersistenceransomwaretrojan

    • CryptoLocker

      Ransomware family with multiple variants.

      ransomwarecryptolocker

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks