Overview

overview

10

Static

static

1

sample

windows11-21h2-x64

Resubmissions

16-12-2024 20:02

241216-yskezaznap 10

16-12-2024 20:00

241216-yrb27szmhl 9

16-12-2024 19:57

241216-yparcszmek 8

16-12-2024 19:52

241216-ylqneaypds 8

16-12-2024 19:49

241216-yjtbhsynhx 10

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General

  • Target

    sample

  • Size

    258KB

  • Sample

    241216-yskezaznap

  • MD5

    37698ffffe211da5c8b3f97ec1f36bae

  • SHA1

    83f5b50f58b8c0a1451e8ba9f119b526abae76df

  • SHA256

    a9614c6564109168c11a853f00a2073803c8a26af2effa33b861d80f78121e54

  • SHA512

    368e0ee6d90d1f1746c23a520520a658964a7d289f846f2ed94772f28bb7331af763dc99fc7a8395c4a19314b35fbe9c5aa9e765cf7092e59cbd8f48f8ee3134

  • SSDEEP

    6144:giaRHpOL/saqkPV9FemLtcIDSsmwj9OvZJT3CqbMrhryf65NRPaCieMjAkvCJv1/:laRHpOL/saqkPV9FemLtcIDSsmwj9OvY

Score
10/10
badrabbitmimikatzdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target

      sample

    • Size

      258KB

    • MD5

      37698ffffe211da5c8b3f97ec1f36bae

    • SHA1

      83f5b50f58b8c0a1451e8ba9f119b526abae76df

    • SHA256

      a9614c6564109168c11a853f00a2073803c8a26af2effa33b861d80f78121e54

    • SHA512

      368e0ee6d90d1f1746c23a520520a658964a7d289f846f2ed94772f28bb7331af763dc99fc7a8395c4a19314b35fbe9c5aa9e765cf7092e59cbd8f48f8ee3134

    • SSDEEP

      6144:giaRHpOL/saqkPV9FemLtcIDSsmwj9OvZJT3CqbMrhryf65NRPaCieMjAkvCJv1/:laRHpOL/saqkPV9FemLtcIDSsmwj9OvY

    Score
    10/10
    badrabbitmimikatzdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojan

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

      ransomwarebadrabbit

    • Badrabbit family

      badrabbit

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

      mimikatz

    • Mimikatz family

      mimikatz

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • mimikatz is an open source tool to dump credentials on Windows

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Direct Volume Access

1
T1006

Impair Defenses

4
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Safe Mode Boot

1
T1562.009

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Inhibit System Recovery

3
T1490

Tasks