Overview

overview

10

Static

static

3

4b9d9e8512...18.exe

windows7-x64

10

4b9d9e8512...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4b9d9e8512113210558953f19c7e6c2a_JaffaCakes118

  • Size

    709KB

  • Sample

    240516-r5elxshh27

  • MD5

    4b9d9e8512113210558953f19c7e6c2a

  • SHA1

    a79f5b32c87cce6413c36741810dcc859ce42cac

  • SHA256

    6ca5561637075df7fc371638c56e9ecd3ba4967979e396619d5b9dfb69a10743

  • SHA512

    317244156c931561f2fe22999571a524cbf1050756d9584d0dba9aeb82ad76f8572dbc96447a100c9bc76d31adbcdfaaf4d5dd0c26e8efbabe2b984161709f87

  • SSDEEP

    12288:rkcj3Ez4oa3NX7ebbUxvFwSxTk+MRH8Sn9vTUpAYT2MHCTX:5oeabONwwTOHp9KAYi04

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

      4b9d9e8512113210558953f19c7e6c2a_JaffaCakes118

    • Size

      709KB

    • MD5

      4b9d9e8512113210558953f19c7e6c2a

    • SHA1

      a79f5b32c87cce6413c36741810dcc859ce42cac

    • SHA256

      6ca5561637075df7fc371638c56e9ecd3ba4967979e396619d5b9dfb69a10743

    • SHA512

      317244156c931561f2fe22999571a524cbf1050756d9584d0dba9aeb82ad76f8572dbc96447a100c9bc76d31adbcdfaaf4d5dd0c26e8efbabe2b984161709f87

    • SSDEEP

      12288:rkcj3Ez4oa3NX7ebbUxvFwSxTk+MRH8Sn9vTUpAYT2MHCTX:5oeabONwwTOHp9KAYi04

    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

    • Drops desktop.ini file(s)

    • 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