Overview

overview

10

Static

static

3

61052c513e...18.exe

windows7-x64

10

61052c513e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    61052c513ec73fe0fe0cefe1f5a8d588_JaffaCakes118

  • Size

    491KB

  • Sample

    240520-y6t7bsgd2y

  • MD5

    61052c513ec73fe0fe0cefe1f5a8d588

  • SHA1

    ec74c81f9ac11a02987788c3f5ae21c7702367cb

  • SHA256

    e74ca6236680178ea85d3dec5335bf054d5004d7810683cb1233f67ca3894c73

  • SHA512

    83e5b267dcb6ee461ce284150be7db62f7c9012d66336206c4ae30ec9a6d8bbe73c25927ca6491da1322ae7dade5a1e67253b1025abd58df8afed1fc40614a74

  • SSDEEP

    6144:PhvvWMRnH9YMaxFewKakPM+f7FUEmiFjYjOSVhr2togLXax:PhvbRndox1KJFUEJFsqSf2tTX

Score
10/10
quasarvenomratsvhostratrootkitspywarestealertrojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

svhost

C2

myconect.ddns.net:6606

Mutex

VNM_MUTEX_ND6PULLW5ZVLwo1nwR

Attributes
  • encryption_key

    yaa63tXY4j55os5llHHd

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      61052c513ec73fe0fe0cefe1f5a8d588_JaffaCakes118

    • Size

      491KB

    • MD5

      61052c513ec73fe0fe0cefe1f5a8d588

    • SHA1

      ec74c81f9ac11a02987788c3f5ae21c7702367cb

    • SHA256

      e74ca6236680178ea85d3dec5335bf054d5004d7810683cb1233f67ca3894c73

    • SHA512

      83e5b267dcb6ee461ce284150be7db62f7c9012d66336206c4ae30ec9a6d8bbe73c25927ca6491da1322ae7dade5a1e67253b1025abd58df8afed1fc40614a74

    • SSDEEP

      6144:PhvvWMRnH9YMaxFewKakPM+f7FUEmiFjYjOSVhr2togLXax:PhvbRndox1KJFUEJFsqSf2tTX

    Score
    10/10
    quasarvenomratsvhostratrootkitspywarestealertrojan

    • Contains code to disable Windows Defender

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

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks