Overview

overview

10

Static

static

5

bazzarnuker.exe

windows10-2004-x64

10

bazzarnuker.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    bazzarnuker.exe
  • Size 196KB
  • Sample260628-am41esew2y
  • SHA256 58a65375edfbb047e81891c7efdb9b31f99a23fabea03950980b1aef0faecc71
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasionevasionexecutionimpactpersistenceransomwarespywaretrojanupx

Malware Config

Targets

    • Target
      bazzarnuker.exe
    • Size 196KB
    • SHA256 58a65375edfbb047e81891c7efdb9b31f99a23fabea03950980b1aef0faecc71
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionevasionexecutionimpactransomwaretrojanupxadwarepersistencespyware

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • Clears Windows event logs

      defense_evasionransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Disables service(s)

      defense_evasionexecution

    • Stops running service(s)

      defense_evasionexecution

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Defense Evasion

Direct Volume Access

1
T1006

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Indicator Removal

3
T1070

Clear Windows Event Logs

1
T1070.001

File Deletion

2
T1070.004

Modify Registry

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Service Stop

2
T1489

Tasks