Overview

overview

10

Static

static

10

DriverInstall.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    DriverInstall.exe

  • Size

    3.1MB

  • Sample

    240630-rsj1wayhqd

  • MD5

    2428d390c58c3ce2390bf4f6a00f27f2

  • SHA1

    525322b7d43603e80d9d5c062baa9a1c4eb8c66f

  • SHA256

    0b0f5f4a1afe5fc657325c8286e311c4b81a5ce7a516486b36ef7e5980dd120e

  • SHA512

    d0a682e2b529e48b9f28fbef6d56c850c7a21ce03858755b28f4abe7ced2af6337f7b45e83f081faa37627f2e3d8a1dac46c3b75624478ed5f4ab33219e484b6

  • SSDEEP

    49152:GvUt62XlaSFNWPjljiFa2RoUYIi3xh1v4LoGf7mTHHB72eh2NT:GvI62XlaSFNWPjljiFXRoUYIi3xK

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.178.86:4782

Mutex

bcb4ded3-f479-4472-930f-985b13a156fc

Attributes
  • encryption_key

    E65A63C5070648ABDC8CAD5F2CB118AA164CFD24

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Driver.exe

  • subdirectory

    WOW646464

Targets

    • Target

      DriverInstall.exe

    • Size

      3.1MB

    • MD5

      2428d390c58c3ce2390bf4f6a00f27f2

    • SHA1

      525322b7d43603e80d9d5c062baa9a1c4eb8c66f

    • SHA256

      0b0f5f4a1afe5fc657325c8286e311c4b81a5ce7a516486b36ef7e5980dd120e

    • SHA512

      d0a682e2b529e48b9f28fbef6d56c850c7a21ce03858755b28f4abe7ced2af6337f7b45e83f081faa37627f2e3d8a1dac46c3b75624478ed5f4ab33219e484b6

    • SSDEEP

      49152:GvUt62XlaSFNWPjljiFa2RoUYIi3xh1v4LoGf7mTHHB72eh2NT:GvI62XlaSFNWPjljiFXRoUYIi3xK

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    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

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks