Overview

overview

10

Static

static

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    b8cfdd16f5bc4d13a805fe0fbc11fc0e569cd7e5d9b84255739baaceb3c3fe5a

  • Size

    2.7MB

  • Sample

    220924-2bed6sdefq

  • MD5

    181fdf4b2fd548b5563d1d34dfb7b691

  • SHA1

    d60221a413122368890fb1d3dbd9cb3980e41104

  • SHA256

    b8cfdd16f5bc4d13a805fe0fbc11fc0e569cd7e5d9b84255739baaceb3c3fe5a

  • SHA512

    b45dad9e0c80b803733c376efc1241f745dde4c706af4059611f1143dfe8e368aa7ffdd298b053f3b529cc3a317d875bca40b79ac8f901d6d74e9297b8ac6e8b

  • SSDEEP

    49152:DqusQxWfZ0IP92v9SQDNVK6aT0H0jvfVb5idvYSwYp6IzZAU+XoGgGT80HrQ:eOWfZhw9PJ06aTdjfV4vYSwQ6+mUZ2wD

Score
10/10
quasarvenom clientevasionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

2.7.0.0

Botnet

Venom Client

C2

probka.ddns.net:4545

Mutex

JlYM51eW4iZoFyLa2X

Attributes
  • encryption_key

    nygFK3eRf9rpU1TEw9ld

  • install_name

    Venom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

Targets

    • Target

      b8cfdd16f5bc4d13a805fe0fbc11fc0e569cd7e5d9b84255739baaceb3c3fe5a

    • Size

      2.7MB

    • MD5

      181fdf4b2fd548b5563d1d34dfb7b691

    • SHA1

      d60221a413122368890fb1d3dbd9cb3980e41104

    • SHA256

      b8cfdd16f5bc4d13a805fe0fbc11fc0e569cd7e5d9b84255739baaceb3c3fe5a

    • SHA512

      b45dad9e0c80b803733c376efc1241f745dde4c706af4059611f1143dfe8e368aa7ffdd298b053f3b529cc3a317d875bca40b79ac8f901d6d74e9297b8ac6e8b

    • SSDEEP

      49152:DqusQxWfZ0IP92v9SQDNVK6aT0H0jvfVb5idvYSwYp6IzZAU+XoGgGT80HrQ:eOWfZhw9PJ06aTdjfV4vYSwQ6+mUZ2wD

    Score
    10/10
    quasarvenom clientevasionspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • 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 NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks