Overview

overview

10

Static

static

10

7a5cee9397...91.exe

windows7-x64

10

7a5cee9397...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391

  • Size

    3.1MB

  • Sample

    240128-w8seeafgb5

  • MD5

    cf6cf8a04a5bae534dd0601ed735db8f

  • SHA1

    f7e908a9e676bf63d105527302d1daa89f2d7d67

  • SHA256

    7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391

  • SHA512

    49a44a6db4bc9a7472cc06a65e093bb9c66465b69f0a26be75fd121229cb36797d2ca295a339680f094b940008a355853e440fc41db64ce4af61bd09ea813421

  • SSDEEP

    49152:2vAt62XlaSFNWPjljiFa2RoUYIIxOEMkak/JxBoGd+THHB72eh2NT:2vs62XlaSFNWPjljiFXRoUYIIxpn

Score
10/10
quasaroffice01spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office01

C2

192.168.56.1:4782

Mutex

7108d370-c6c1-4434-9347-d5da6fb197f0

Attributes
  • encryption_key

    BE8730DE18943850633F52D45C39302ADD1A33AB

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Spotify

  • subdirectory

    SubDir

Targets

    • Target

      7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391

    • Size

      3.1MB

    • MD5

      cf6cf8a04a5bae534dd0601ed735db8f

    • SHA1

      f7e908a9e676bf63d105527302d1daa89f2d7d67

    • SHA256

      7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391

    • SHA512

      49a44a6db4bc9a7472cc06a65e093bb9c66465b69f0a26be75fd121229cb36797d2ca295a339680f094b940008a355853e440fc41db64ce4af61bd09ea813421

    • SSDEEP

      49152:2vAt62XlaSFNWPjljiFa2RoUYIIxOEMkak/JxBoGd+THHB72eh2NT:2vs62XlaSFNWPjljiFXRoUYIIxpn

    Score
    10/10
    quasaroffice01spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks