Overview

overview

10

Static

static

3

164cc91241...18.exe

windows7-x64

10

164cc91241...18.exe

windows10-2004-x64

Sharing

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General

  • Target

    164cc91241694bba1ddee440c96530c1_JaffaCakes118

  • Size

    598KB

  • Sample

    240505-grn84ahc4v

  • MD5

    164cc91241694bba1ddee440c96530c1

  • SHA1

    0354ca6a88e4e97d92366b119bb06c78ecb4f1d7

  • SHA256

    6d6831eb5e141890de5963fdeb0444fadc89bf15d48aeccbc2c14f9ce72c47b2

  • SHA512

    223294d6ccb00ef6a2c25d972729f3226eff96647ec769fa0364500f4d145750d4913df6b9d03ddb4a20a2252fb5fa84a4d88d42b4de1e664295f2015b867f0a

  • SSDEEP

    12288:GBU27je2sGbV7LsAlhgLTj9BBnWobokcoyhUvqA2UdpT3:GBUYje21R0b9BBnWooXhQqANpr

Score
10/10
quasarvenomratwindows securityevasionpersistenceratrootkitspywarestealertrojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

windows security

C2

vilvaraj-32652.portmap.io:32652

Mutex

VNM_MUTEX_XaCO2YtLAsadylDHBP

Attributes
  • encryption_key

    eKgGUbCubcSIafuOAN5V

  • install_name

    windows security.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    windows security

  • subdirectory

    SubDir

Targets

    • Target

      164cc91241694bba1ddee440c96530c1_JaffaCakes118

    • Size

      598KB

    • MD5

      164cc91241694bba1ddee440c96530c1

    • SHA1

      0354ca6a88e4e97d92366b119bb06c78ecb4f1d7

    • SHA256

      6d6831eb5e141890de5963fdeb0444fadc89bf15d48aeccbc2c14f9ce72c47b2

    • SHA512

      223294d6ccb00ef6a2c25d972729f3226eff96647ec769fa0364500f4d145750d4913df6b9d03ddb4a20a2252fb5fa84a4d88d42b4de1e664295f2015b867f0a

    • SSDEEP

      12288:GBU27je2sGbV7LsAlhgLTj9BBnWobokcoyhUvqA2UdpT3:GBUYje21R0b9BBnWooXhQqANpr

    Score
    10/10
    quasarvenomratwindows securityevasionpersistenceratrootkitspywarestealertrojan

    • 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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • VenomRAT

      VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

      ratrootkitstealervenomrat

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks