Overview

overview

10

Static

static

10

explorer.exe

windows7-x64

10

explorer.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    explorer.exe

  • Size

    3.1MB

  • Sample

    230609-v9jcfsdf7v

  • MD5

    b4d796b1d427b448f9406aee07959eff

  • SHA1

    9b731c6304518c686ef1a0675c77f74163aad60c

  • SHA256

    4041ad409dcfd7b2ae14b4b7ac5928debb38e2e02dcb7837e1ebacf0a1ed3773

  • SHA512

    43da91f6814eb66784954af83463c1b663689a37dfc76015cf566fef50b896b0273ed3e72d4580382720cb7f5f26bd2e25d0c0accd6b3526b15082cea83d7454

  • SSDEEP

    49152:Dvkt62XlaSFNWPjljiFa2RoUYIHORJ6xbR3LoGdxTHHB72eh2NT:Dv462XlaSFNWPjljiFXRoUYIHORJ6T

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

ratcentho.ddns.net:1604

Mutex

a48091b5-8649-4186-b51d-37847b346bbb

Attributes
  • encryption_key

    E111C166FC0FC5E69CF243BDE5027B1BBD76712A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    csrss

  • subdirectory

    SubDir

Targets

    • Target

      explorer.exe

    • Size

      3.1MB

    • MD5

      b4d796b1d427b448f9406aee07959eff

    • SHA1

      9b731c6304518c686ef1a0675c77f74163aad60c

    • SHA256

      4041ad409dcfd7b2ae14b4b7ac5928debb38e2e02dcb7837e1ebacf0a1ed3773

    • SHA512

      43da91f6814eb66784954af83463c1b663689a37dfc76015cf566fef50b896b0273ed3e72d4580382720cb7f5f26bd2e25d0c0accd6b3526b15082cea83d7454

    • SSDEEP

      49152:Dvkt62XlaSFNWPjljiFa2RoUYIHORJ6xbR3LoGdxTHHB72eh2NT:Dv462XlaSFNWPjljiFXRoUYIHORJ6T

    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 v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks