Overview

overview

10

Static

static

10

4b49068a19...3a.exe

windows7-x64

10

4b49068a19...3a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a.exe

  • Size

    3.1MB

  • Sample

    240330-ckzzsseg9v

  • MD5

    b05ef4b68b309f9aefa705d3c0ab50e1

  • SHA1

    ffbf50f019be8426868b616960713fa4f596905c

  • SHA256

    4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a

  • SHA512

    e77b2fd9d92fd286cedd1f7a70767968a9048b02206493b43aaac11b73a29fbc8819a28f2fb7b765c87cfbf734fad0fda40483bb495a2f177833c31a5ce9294b

  • SSDEEP

    49152:2vPI22SsaNYfdPBldt698dBcjHKyRJ68bR3LoGdJJTHHB72eh2NT:2vA22SsaNYfdPBldt6+dBcjHKyRJ6GZ

Score
10/10
quasar1stspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

1st

C2

94.156.8.44:4787

94.156.8.44:6606
Mutex

8c89b218-c255-48cb-be3d-4ac14fe780fa

Attributes
  • encryption_key

    4785083178D87EB2AD342D8849D0672AE29F1744

  • install_name

    softgui.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    softgui.svc

  • subdirectory

    SubDir

Targets

    • Target

      4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a.exe

    • Size

      3.1MB

    • MD5

      b05ef4b68b309f9aefa705d3c0ab50e1

    • SHA1

      ffbf50f019be8426868b616960713fa4f596905c

    • SHA256

      4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a

    • SHA512

      e77b2fd9d92fd286cedd1f7a70767968a9048b02206493b43aaac11b73a29fbc8819a28f2fb7b765c87cfbf734fad0fda40483bb495a2f177833c31a5ce9294b

    • SSDEEP

      49152:2vPI22SsaNYfdPBldt698dBcjHKyRJ68bR3LoGdJJTHHB72eh2NT:2vA22SsaNYfdPBldt6+dBcjHKyRJ6GZ

    Score
    10/10
    quasar1stspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing common artifacts observed in infostealers

    • 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