Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250101-25c37szlft

  • MD5

    e231e7e16fa712910defa79ade814d98

  • SHA1

    2a0e9c86ec93a113de72e04c9d0194cee4e9ebf2

  • SHA256

    cd6ab78b3ebf7f7f3997bf6fa5b94d36cc9340c2749da42b6fe0ca26021544f9

  • SHA512

    dd93fe753102b5876b6e2d93fe0124b9a917d0228f728efe3bf757593f907fe4427f857a0cbd71721ec214308e3cb94f1078e5b5443641571efb47577ce6995a

  • SSDEEP

    49152:Pv3I22SsaNYfdPBldt698dBcjHYiRJ6pbR3LoGdkTHHB72eh2NT:Pv422SsaNYfdPBldt6+dBcjHYiRJ6r

Score
10/10
quasarfirstspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

first

C2

37.225.64.186:4782

Mutex

44382739-6e8e-4a03-b838-6ed9f8f4bf36

Attributes
  • encryption_key

    59DD70006F5E5424ACBA442199524AA9815F439E

  • install_name

    Calculator.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RtkAudUService86

  • subdirectory

    Calculator_UWP

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      e231e7e16fa712910defa79ade814d98

    • SHA1

      2a0e9c86ec93a113de72e04c9d0194cee4e9ebf2

    • SHA256

      cd6ab78b3ebf7f7f3997bf6fa5b94d36cc9340c2749da42b6fe0ca26021544f9

    • SHA512

      dd93fe753102b5876b6e2d93fe0124b9a917d0228f728efe3bf757593f907fe4427f857a0cbd71721ec214308e3cb94f1078e5b5443641571efb47577ce6995a

    • SSDEEP

      49152:Pv3I22SsaNYfdPBldt698dBcjHYiRJ6pbR3LoGdkTHHB72eh2NT:Pv422SsaNYfdPBldt6+dBcjHYiRJ6r

    Score
    10/10
    quasarfirstspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks