Overview

overview

10

Static

static

10

04990099.exe

windows7-x64

10

04990099.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    04990099.exe

  • Size

    916KB

  • Sample

    230603-ssbvyahf21

  • MD5

    14f404145a2e342fc8dea1d7410d0977

  • SHA1

    3cf14a3afa0b3a35de831093f2ced8cb8d37d298

  • SHA256

    c0c546bbb3489141ce05c48cf79f03ef55b8adc2b55f768d9fa6830f15237b66

  • SHA512

    e40065061d0b834423a3f03038b7ad34289d96b73d9c9e60164e67596d2333f0e40ec54b8a960b7d9ed639611b11c3fb1deb60689a4015bc3c97c7397e8fbd61

  • SSDEEP

    24576:VUcziHVcYBjF3ZLNfBzVHps1LusJLK1lkgoLE:nziHVcYBjF3ZLNfBzVHpsLk1lk

Score
10/10
quasarvenom clientpersistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

2.8.0.1

Botnet

Venom Client

C2

soon-lp.at.ply.gg:17209

Mutex

JbBKKHh20tjHitewKR

Attributes
  • encryption_key

    ZqvCSKfIZ294q5dIHRWw

  • install_name

    Venom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WinHost

Targets

    • Target

      04990099.exe

    • Size

      916KB

    • MD5

      14f404145a2e342fc8dea1d7410d0977

    • SHA1

      3cf14a3afa0b3a35de831093f2ced8cb8d37d298

    • SHA256

      c0c546bbb3489141ce05c48cf79f03ef55b8adc2b55f768d9fa6830f15237b66

    • SHA512

      e40065061d0b834423a3f03038b7ad34289d96b73d9c9e60164e67596d2333f0e40ec54b8a960b7d9ed639611b11c3fb1deb60689a4015bc3c97c7397e8fbd61

    • SSDEEP

      24576:VUcziHVcYBjF3ZLNfBzVHps1LusJLK1lkgoLE:nziHVcYBjF3ZLNfBzVHpsLk1lk

    Score
    10/10
    quasarvenom clientpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks