Overview

overview

10

Static

static

3

00752a2889...6c.exe

windows7-x64

10

00752a2889...6c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    00752a2889e0712000b18846f8a060434d23d6fcae5e98e3cb8d39f70376366c

  • Size

    934KB

  • Sample

    241112-xr2r7axqdz

  • MD5

    fee0d9b8fd3d7765f902463817e0db71

  • SHA1

    a2e83ee17368cfbcaa52fa36eeb5b192e3d21c42

  • SHA256

    00752a2889e0712000b18846f8a060434d23d6fcae5e98e3cb8d39f70376366c

  • SHA512

    dfdf07b1c8211bb0bf3db619cbc07f7746f793bbb284247e6865d08e15dd83bccf668ea752f1431df51b508e69acb6eed291692119a4c72b3564bcc0124166fa

  • SSDEEP

    12288:BkMv6/ZKWZFZJuugJ7PxAv1HXyg+S4ZcTAPxAGvxnnOF0T2l5sZjJ:BkMvOZJu/7Zsyg+eEP2GZEJOJ

Score
10/10
quasardefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target

      00752a2889e0712000b18846f8a060434d23d6fcae5e98e3cb8d39f70376366c

    • Size

      934KB

    • MD5

      fee0d9b8fd3d7765f902463817e0db71

    • SHA1

      a2e83ee17368cfbcaa52fa36eeb5b192e3d21c42

    • SHA256

      00752a2889e0712000b18846f8a060434d23d6fcae5e98e3cb8d39f70376366c

    • SHA512

      dfdf07b1c8211bb0bf3db619cbc07f7746f793bbb284247e6865d08e15dd83bccf668ea752f1431df51b508e69acb6eed291692119a4c72b3564bcc0124166fa

    • SSDEEP

      12288:BkMv6/ZKWZFZJuugJ7PxAv1HXyg+S4ZcTAPxAGvxnnOF0T2l5sZjJ:BkMvOZJu/7Zsyg+eEP2GZEJOJ

    Score
    10/10
    quasardefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywaretrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Modifies security service

      evasion

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies Security services

      Modifies the startup behavior of a security service.

      defense_evasion

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

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

5
T1562

Disable or Modify Tools

4
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

8
T1112

Credential Access

Discovery

System Information Discovery

1
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

2
T1490

Tasks