Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://bazaar.abuse...

windows11-21h2-x64

10

Sharing

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General

  • Target

    https://bazaar.abuse.ch/sample/1940797bbf48e2b4061f3d3b0809c6e6a5f66b35653c6384cca212eedf873541/

  • Sample

    240922-13qe3syaje

Score
10/10
vidardefense_evasiondiscoveryevasionexecutionpersistencestealer

Malware Config

Targets

    • Target

      https://bazaar.abuse.ch/sample/1940797bbf48e2b4061f3d3b0809c6e6a5f66b35653c6384cca212eedf873541/

    Score
    10/10
    vidardefense_evasiondiscoveryevasionexecutionpersistencestealer

    • Detect Vidar Stealer

      stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Creates new service(s)

      persistenceexecution

    • Drops file in Drivers directory

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

      defense_evasion

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Indicator Removal

1
T1070

Clear Windows Event Logs

1
T1070.001

Modify Registry

1
T1112

Obfuscated Files or Information

1
T1027

Command Obfuscation

1
T1027.010

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks