badrabbit | hxxps://github[.]com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3[.]0[.]exe | Triage

Resubmissions

18/03/2025, 19:38

250318-ycrjca1kz6 6

18/03/2025, 19:35

250318-ya273a1kx9 9

18/03/2025, 19:32

250318-x86gpsw1hs 6

18/03/2025, 19:31

250318-x8flaaw1gs 3

18/03/2025, 19:29

250318-x7f6es1kt5 10

18/03/2025, 19:25

250318-x5evks1j19 10

18/03/2025, 19:16

250318-xyyn4swzdx 8

18/03/2025, 19:13

250318-xw6a6swzb1 10

18/03/2025, 19:04

250318-xreyeswyfv 8

18/03/2025, 19:00

250318-xntmeawycw 10

Sharing

General

Target

https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3.0.exe
Sample

250318-xfavbswxev

Score

10^/10

badrabbit mimikatz defense_evasion discovery evasion execution impact persistence privilege_escalation ransomware trojan

Malware Config

Targets

- Target
  
  https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3.0.exe
Score

10^/10

badrabbit mimikatz defense_evasion discovery evasion execution impact persistence privilege_escalation ransomware trojan
- BadRabbit
  Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
  ransomware badrabbit
- Badrabbit family
  badrabbit
- Mimikatz
  mimikatz is an open source tool to dump credentials on Windows.
  mimikatz
- Mimikatz family
  mimikatz
- Modifies Windows Defender DisableAntiSpyware settings
  evasion trojan
- Modifies Windows Defender Real-time Protection settings
  defense_evasion trojan
- UAC bypass
  defense_evasion trojan
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- mimikatz is an open source tool to dump credentials on Windows
- Disables RegEdit via registry modification
  defense_evasion
- Disables Task Manager via registry modification
  defense_evasion
- Disables use of System Restore points
  defense_evasion
- Downloads MZ/PE file
- Event Triggered Execution: Image File Execution Options Injection
  persistence
- Modifies Windows Firewall
  defense_evasion
- 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 whether UAC is enabled
  defense_evasion trojan
- Legitimate hosting services abused for malware hosting/C2
- Drops autorun.inf file
  Malware can abuse Windows Autorun to spread further via attached volumes.
- Sets desktop wallpaper using registry
  ransomware
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

Execution

Scheduled Task/Job

Scheduled Task

Windows Management Instrumentation

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Event Triggered Execution

Image File Execution Options Injection

Netsh Helper DLL

Scheduled Task/Job

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

Bypass User Account Control

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Event Triggered Execution

Image File Execution Options Injection

Netsh Helper DLL

Scheduled Task/Job

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

Bypass User Account Control

Direct Volume Access

Impair Defenses

Disable or Modify System Firewall

Disable or Modify Tools

Indicator Removal

File Deletion

Modify Registry

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Replication Through Removable Media

Collection

Command and Control

Web Service

Exfiltration

Impact

Defacement

Inhibit System Recovery

Tasks

static1

urlscan1

behavioral1

badrabbitmimikatzdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojan