Overview

overview

10

Static

static

10

2lz.exe

windows7-x64

10

2lz.exe

windows10-2004-x64

Sharing

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General

  • Target

    2lz.exe

  • Size

    5.9MB

  • Sample

    240613-b5tsvazcph

  • MD5

    12f9b68ed66fed9a1e3c1c2319c837c6

  • SHA1

    e423cbd003c718b6fa268de83806dae6a9fe88c3

  • SHA256

    7c5919ffcd3234d3c520120fbbeb9204e11ca3adfbfc175175a1e087492cbbba

  • SHA512

    b649639d2363f135f694f8d5968a6b7adabd76ef793a3fb9313b1c142a0e749be33a5831c4d0cbc32ea170a2100f693755b378280f252dd50bd1ddf008b1ba53

  • SSDEEP

    98304:pMI+LjNr86mjj/UYviu26bbyKS2myX0rPgIh:p8Vmj72wblTmyEgG

Score
10/10
quasarvenomratwindows securityratrootkitspywarestealertrojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

windows security

C2

quasarrat220-24487.portmap.io:24487

Mutex

VNM_MUTEX_mOPqShedZxvAqgLrWL

Attributes
  • encryption_key

    7mvA2TfKjvMIY0zZeMKF

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2lz.exe

    • Size

      5.9MB

    • MD5

      12f9b68ed66fed9a1e3c1c2319c837c6

    • SHA1

      e423cbd003c718b6fa268de83806dae6a9fe88c3

    • SHA256

      7c5919ffcd3234d3c520120fbbeb9204e11ca3adfbfc175175a1e087492cbbba

    • SHA512

      b649639d2363f135f694f8d5968a6b7adabd76ef793a3fb9313b1c142a0e749be33a5831c4d0cbc32ea170a2100f693755b378280f252dd50bd1ddf008b1ba53

    • SSDEEP

      98304:pMI+LjNr86mjj/UYviu26bbyKS2myX0rPgIh:p8Vmj72wblTmyEgG

    Score
    10/10
    quasarvenomratwindows securityratrootkitspywarestealertrojan

    • 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

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks