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Overview

overview

10

Static

static

3

comparendo...ta.exe

windows7-x64

10

comparendo...ta.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    comparendo24755693025simitverenlineacgbindata.exe

  • Size

    781KB

  • Sample

    240213-zadp5sha3v

  • MD5

    4848c2aa032ded794410ebc729fc18a2

  • SHA1

    ba4200a24bbd4f70594e72414493a350b4c95608

  • SHA256

    63bd1085581bf0a8f7c9b01eb5d3a2d551fcc671a3916064891ea85c00d24669

  • SHA512

    05e9bded510f16f06364ae913f1f494434b1cff4723213dbda1ebdf8da21ffa42764252e129d9e74fe501b5b273884b07213edf81efe24ec14692752f78b714b

  • SSDEEP

    12288:2rD64vvpqDUB/B1idOmEigAqiiqwTFTBK/cOV682wiVZe+0Ks:8DxvuUB7idOmEHNqsxBHOR2rVZAKs

Score
10/10
quasarevasionpersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target

      comparendo24755693025simitverenlineacgbindata.exe

    • Size

      781KB

    • MD5

      4848c2aa032ded794410ebc729fc18a2

    • SHA1

      ba4200a24bbd4f70594e72414493a350b4c95608

    • SHA256

      63bd1085581bf0a8f7c9b01eb5d3a2d551fcc671a3916064891ea85c00d24669

    • SHA512

      05e9bded510f16f06364ae913f1f494434b1cff4723213dbda1ebdf8da21ffa42764252e129d9e74fe501b5b273884b07213edf81efe24ec14692752f78b714b

    • SSDEEP

      12288:2rD64vvpqDUB/B1idOmEigAqiiqwTFTBK/cOV682wiVZe+0Ks:8DxvuUB7idOmEHNqsxBHOR2rVZAKs

    Score
    10/10
    quasarevasionpersistenceransomwarespywaretrojan

    • 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 payload

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

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

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

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

4
T1562

Disable or Modify Tools

4
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

8
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks