Overview

overview

10

Static

static

10

Client-built.exe

windows11-21h2-x64

10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240629-tzjd2athln

  • MD5

    c5807c538665509c9c44356cd82a785d

  • SHA1

    e97dd1a36a23ab468a2002f2c7ebc62c1e68f240

  • SHA256

    cf12af32289d5d1913e941419e809fb0d8bb24ba17adc1b6e108075acce35d1f

  • SHA512

    5bfa426685a5973b09ab550dd035921251061974b1e442307fd8dd858d2796f803c9f4be22ef4e9ccd233015c45b88e9088890d351bcd3188dada33cbdd54cd7

  • SSDEEP

    49152:uvnI22SsaNYfdPBldt698dBcjH6fPR3XoGdfjRTHHB72eh2NT:uvI22SsaNYfdPBldt6+dBcjH63Rn

Score
10/10
quasarzzzzspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

zzzz

C2

4.tcp.ngrok.io:16868

Mutex

116e2822-047d-4b5c-ad10-563148a1a28e

Attributes
  • encryption_key

    C366BC97216329D1909524412E3ECB1EBC575D07

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      c5807c538665509c9c44356cd82a785d

    • SHA1

      e97dd1a36a23ab468a2002f2c7ebc62c1e68f240

    • SHA256

      cf12af32289d5d1913e941419e809fb0d8bb24ba17adc1b6e108075acce35d1f

    • SHA512

      5bfa426685a5973b09ab550dd035921251061974b1e442307fd8dd858d2796f803c9f4be22ef4e9ccd233015c45b88e9088890d351bcd3188dada33cbdd54cd7

    • SSDEEP

      49152:uvnI22SsaNYfdPBldt698dBcjH6fPR3XoGdfjRTHHB72eh2NT:uvI22SsaNYfdPBldt6+dBcjH63Rn

    Score
    10/10
    quasarzzzzspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks