Overview

overview

10

Static

static

10

a96e646d37...b3.exe

windows7-x64

10

a96e646d37...b3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a96e646d37c712c02f2014859c2ae1b3.bin

  • Size

    3.1MB

  • Sample

    240701-dgep5atgne

  • MD5

    a96e646d37c712c02f2014859c2ae1b3

  • SHA1

    9c2a5842a9b929e66d2b92be8907d79c4f35fedf

  • SHA256

    1e2e7d27900d3e3956f582ec7f286d7fe87d943562cfe94e4a2248888e3894b8

  • SHA512

    eeebf4d049cd72d2d0a732921df9c24deb3323c18a5ca6eaec7bdb7b509106498c6b8b1b7daa33d0aa3e4bb7acdabb9eac29a872c217b6521c7415963d71b4d6

  • SSDEEP

    49152:Pv6I22SsaNYfdPBldt698dBcjH8UHNqRrcvJmkoGdXTHHB72eh2NT:Pv322SsaNYfdPBldt6+dBcjHjYrQ

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

pringelsy-52942.portmap.host:52942

Mutex

ed30a1b2-d1a0-4e30-a860-b77fa3f71c40

Attributes
  • encryption_key

    49F9D3CAD835E70C60B54E401E356C16B3822AE8

  • install_name

    Opera GX.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • startup_key

    OperaVPN

  • subdirectory

    common Files

Targets

    • Target

      a96e646d37c712c02f2014859c2ae1b3.bin

    • Size

      3.1MB

    • MD5

      a96e646d37c712c02f2014859c2ae1b3

    • SHA1

      9c2a5842a9b929e66d2b92be8907d79c4f35fedf

    • SHA256

      1e2e7d27900d3e3956f582ec7f286d7fe87d943562cfe94e4a2248888e3894b8

    • SHA512

      eeebf4d049cd72d2d0a732921df9c24deb3323c18a5ca6eaec7bdb7b509106498c6b8b1b7daa33d0aa3e4bb7acdabb9eac29a872c217b6521c7415963d71b4d6

    • SSDEEP

      49152:Pv6I22SsaNYfdPBldt698dBcjH8UHNqRrcvJmkoGdXTHHB72eh2NT:Pv322SsaNYfdPBldt6+dBcjHjYrQ

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks