Overview

overview

10

Static

static

Defender.exe

windows7_x64

1

Defender.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    Defender.exe

  • Size

    1.3MB

  • Sample

    220523-xxc11scgd3

  • MD5

    6cc14968ad421ec8a585a0ae5083feb5

  • SHA1

    fda63e3b59a4c7db0b36d1021c555f8176620970

  • SHA256

    127c0abe14197e0930039c56034a86fb8efcd8f4bf882afd07ee1165d7a64c04

  • SHA512

    7c82183dccd92a64fac5b74705d3b05bd69250f53d169cd288e97b5dd0307ba9c5c953798a09d083e74b14c22bcca93ac40a82afe6bb3f6580e7fba6bcfc8a1f

Score
10/10
quasardefenderspywaresuricatatrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Defender

C2

Lyoni-55552.portmap.host:55552

Mutex

QSR_MUTEX_L46QwMv1pXkGwq53wG

Attributes
  • encryption_key

    z5VmS7ld38qkM79BLAwN

  • install_name

    Defender.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Defender.exe

    • Size

      1.3MB

    • MD5

      6cc14968ad421ec8a585a0ae5083feb5

    • SHA1

      fda63e3b59a4c7db0b36d1021c555f8176620970

    • SHA256

      127c0abe14197e0930039c56034a86fb8efcd8f4bf882afd07ee1165d7a64c04

    • SHA512

      7c82183dccd92a64fac5b74705d3b05bd69250f53d169cd288e97b5dd0307ba9c5c953798a09d083e74b14c22bcca93ac40a82afe6bb3f6580e7fba6bcfc8a1f

    Score
    10/10
    quasardefenderspywaresuricatatrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • suricata: ET MALWARE Common RAT Connectivity Check Observed

      suricata: ET MALWARE Common RAT Connectivity Check Observed

      suricata

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

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

Tasks