General
- Target bazzarnuker.exe
- Size 179KB
- Sample260628-a8k5faex2x
- SHA256 6f2e3eccadffadc1b7d610246816b9906c6cb5d50d1876dcd588364241a46200
- MD5 09b9bf77adc7642fd85454061928f6f5
- SHA1 331b93ce08ce83ba6ba4fb4477332ff017d6307d
- SHA512 9c6c63362183e72aa424a449880141f068534ff5f00c41af1bd93fd39ca096a059dd246866b67978acba1ac5c135d92341d57d5edfbf9c0807582d735ab24ef4
- SSDEEP 3072:0+bTQ3ggu0qPd+RLXnanGnrHzdyEfurHOTWOnUi6XrSq4BOps6aFG:0+0gYR7angH0HgmBSqsOK8
- TLSH T1FB04237680EAC758EFB30971C1BC546FA2551C3FB7F06B7F10D63B260BC86245A25922
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
bazzarnuker.exe
Resource
win10v2004-20260513-en
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
bazzarnuker.exe
Resource
win11ltsc2024-20260617-en
18 signatures
150 seconds
Malware Config
Targets
-
- Target bazzarnuker.exe
- Size 179KB
- SHA256 6f2e3eccadffadc1b7d610246816b9906c6cb5d50d1876dcd588364241a46200
- MD5 09b9bf77adc7642fd85454061928f6f5
- SHA1 331b93ce08ce83ba6ba4fb4477332ff017d6307d
- SHA512 9c6c63362183e72aa424a449880141f068534ff5f00c41af1bd93fd39ca096a059dd246866b67978acba1ac5c135d92341d57d5edfbf9c0807582d735ab24ef4
- SSDEEP 3072:0+bTQ3ggu0qPd+RLXnanGnrHzdyEfurHOTWOnUi6XrSq4BOps6aFG:0+0gYR7angH0HgmBSqsOK8
- TLSH T1FB04237680EAC758EFB30971C1BC546FA2551C3FB7F06B7F10D63B260BC86245A25922
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies Windows Defender Real-time Protection settings
-
Clears Windows event logs
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Disables service(s)
-
Stops running service(s)
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Create or Modify System Process
4Windows Service
4Pre-OS Boot
1Bootkit
1Defense Evasion
Direct Volume Access
1Impair Defenses
3Disable or Modify Tools
2Indicator Removal
3Clear Windows Event Logs
1File Deletion
2Modify Registry
2Pre-OS Boot
1Bootkit
1