Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    file.exe

  • Size

    3.8MB

  • Sample

    230609-nlkr2scg7s

  • MD5

    4693d917d5573d64bfd2a27e46e04504

  • SHA1

    fb97fec5b335804929dc3c8fb7e69073467f4754

  • SHA256

    2d24effcdf6f620d368752b0bba8f2b96b01b82d95c36b6d5b34ddbe7740362d

  • SHA512

    05f08728f753b0c115f5e30163c08783d3e0dc68762d621bfd1887e8c41d746fba45f22fc10594f48a852222a432ca99bcfeadc2d83d316eb41c51c7f171749a

  • SSDEEP

    49152:k6fBW2t1NiKOBFAzHpe64btMTabv3/LQOlFIpfllgqSBZ7rQ0kV8e:k6

Score
10/10
quasarrevengeratoffice04persistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office04

C2

hostmeta.duckdns.org:3400

Mutex

PCoa0XHES5x7Cr7a01

Attributes
  • encryption_key

    cH5E0mLkGfudyeRokQBJ

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      file.exe

    • Size

      3.8MB

    • MD5

      4693d917d5573d64bfd2a27e46e04504

    • SHA1

      fb97fec5b335804929dc3c8fb7e69073467f4754

    • SHA256

      2d24effcdf6f620d368752b0bba8f2b96b01b82d95c36b6d5b34ddbe7740362d

    • SHA512

      05f08728f753b0c115f5e30163c08783d3e0dc68762d621bfd1887e8c41d746fba45f22fc10594f48a852222a432ca99bcfeadc2d83d316eb41c51c7f171749a

    • SSDEEP

      49152:k6fBW2t1NiKOBFAzHpe64btMTabv3/LQOlFIpfllgqSBZ7rQ0kV8e:k6

    Score
    10/10
    quasarrevengeratoffice04persistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

      trojanrevengerat

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • 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 SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks