Overview

overview

10

Static

static

c6efe54254...29.exe

windows7_x64

c6efe54254...29.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    c6efe542545e64afc24b7a5f9a7b7085f98b0a74ee5990dfb980e51f4549c029

  • Size

    10.9MB

  • Sample

    220314-qh75aahfdq

  • MD5

    028e65c25875e64a40b280abb798fdbe

  • SHA1

    1d2c753f97f3687762a9230c6006ad68a1a7f8c6

  • SHA256

    c6efe542545e64afc24b7a5f9a7b7085f98b0a74ee5990dfb980e51f4549c029

  • SHA512

    fbf01736d96b790ec40684b0a0bfac0159d04e209b8e7254c04fd5aa4e08fcbaa88871980ee9915cc35821a21ec38043f3d51eb1440ce9513c7ab415d1825ded

Score
10/10
quasardefenderevasionspywarestealertrojanupx

Malware Config

Extracted

Family

quasar

Version

2.6.0.0

Botnet

defender

C2

20.82.128.5:4444

Mutex

HkuL6QRMZaTdYNlEJY

Attributes
  • encryption_key

    auS4Dqyt2zp1gKolism7

  • install_name

    Venom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    C:\Users\neilish\Desktop\rat

Targets

    • Target

      c6efe542545e64afc24b7a5f9a7b7085f98b0a74ee5990dfb980e51f4549c029

    • Size

      10.9MB

    • MD5

      028e65c25875e64a40b280abb798fdbe

    • SHA1

      1d2c753f97f3687762a9230c6006ad68a1a7f8c6

    • SHA256

      c6efe542545e64afc24b7a5f9a7b7085f98b0a74ee5990dfb980e51f4549c029

    • SHA512

      fbf01736d96b790ec40684b0a0bfac0159d04e209b8e7254c04fd5aa4e08fcbaa88871980ee9915cc35821a21ec38043f3d51eb1440ce9513c7ab415d1825ded

    Score
    10/10
    quasardefenderevasionspywaretrojanupxstealer

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Modifies security service

      evasion

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks