Overview

overview

10

Static

static

10

512.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    512.exe

  • Size

    3.1MB

  • Sample

    240629-zxyzlazckr

  • MD5

    317a46786b73fccfafa5b5678c1a21a1

  • SHA1

    e72c0001fb47a477514f5abdb348ae489de65f72

  • SHA256

    1dba5015247e9e52949d62c60c23713657123b7786cb790d6f1534126936c1b2

  • SHA512

    237b4b626c30911e1f705ac9765d33446f6948630e2a4179d444391cd4e8338e34691da69a8f044b329889c3680aa9cc19108482abe51f179c354d81c8ce678f

  • SSDEEP

    49152:Sv6I22SsaNYfdPBldt698dBcjH3mRJ6SbR3LoGdmTHHB72eh2NT:Sv322SsaNYfdPBldt6+dBcjH3mRJ6M

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

pringelsy-51954.portmap.host:51954

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

      512.exe

    • Size

      3.1MB

    • MD5

      317a46786b73fccfafa5b5678c1a21a1

    • SHA1

      e72c0001fb47a477514f5abdb348ae489de65f72

    • SHA256

      1dba5015247e9e52949d62c60c23713657123b7786cb790d6f1534126936c1b2

    • SHA512

      237b4b626c30911e1f705ac9765d33446f6948630e2a4179d444391cd4e8338e34691da69a8f044b329889c3680aa9cc19108482abe51f179c354d81c8ce678f

    • SSDEEP

      49152:Sv6I22SsaNYfdPBldt698dBcjH3mRJ6SbR3LoGdmTHHB72eh2NT:Sv322SsaNYfdPBldt6+dBcjH3mRJ6M

    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

    behavioral1

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