Overview

overview

10

Static

static

10

204a88d4a5...65.exe

windows7-x64

10

204a88d4a5...65.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65

  • Size

    3.1MB

  • Sample

    240704-gv76dazgla

  • MD5

    be300aead5cd8e32fc9dd20fd9e7705c

  • SHA1

    06a78475e21027d024464579e01a30ef1f87ef6c

  • SHA256

    204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65

  • SHA512

    c342ba8a16308ecc0a2d1351ef37540586852535fd525cf25006fb9e68614fda006b8fce5ee872ebee082a722cdb479b8e61c88d09e2d7c0efaa212978fe264c

  • SSDEEP

    49152:Wvkt62XlaSFNWPjljiFa2RoUYI1URJ6ObR3LoGdZTHHB72eh2NT:Wv462XlaSFNWPjljiFXRoUYI1URJ6I

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

172.20.10.2:4782

Mutex

58c9d7ce-367b-46ee-a0dd-70acadaa8502

Attributes
  • encryption_key

    7D391C6FD1226D3B96AFC080317CBD4D6C3E6AFB

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows stereo

  • subdirectory

    SubDir

Targets

    • Target

      204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65

    • Size

      3.1MB

    • MD5

      be300aead5cd8e32fc9dd20fd9e7705c

    • SHA1

      06a78475e21027d024464579e01a30ef1f87ef6c

    • SHA256

      204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65

    • SHA512

      c342ba8a16308ecc0a2d1351ef37540586852535fd525cf25006fb9e68614fda006b8fce5ee872ebee082a722cdb479b8e61c88d09e2d7c0efaa212978fe264c

    • SSDEEP

      49152:Wvkt62XlaSFNWPjljiFa2RoUYI1URJ6ObR3LoGdZTHHB72eh2NT:Wv462XlaSFNWPjljiFXRoUYI1URJ6I

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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

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

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks