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

    3.2MB

  • Sample

    250206-3e72bs1jay

  • MD5

    9829267eb5a37773b209963bbed9e419

  • SHA1

    5d812309f2fe6b21fc0c8f5a5b84b19d2c5df121

  • SHA256

    85f453be7ee3915a11d51992cb30135849abf25006668b2b2589bc96bdca5a20

  • SHA512

    77aa1134121991fae234532f6ae754aecbc55784a60e229b0128a442004103486263b243168672c6552f3ab24cbf2a4a9209e8aaf05af0b24c9b9c4bffccdcd7

  • SSDEEP

    98304:3vj52fyaSZOrPWluWBDG5g5h5ppFUHBp:fa+5xjU

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

localhost:4782

Mutex

e6dd4e3c-69b8-4cc3-bd87-255fbec8b149

Attributes
  • encryption_key

    3B9457A501B5D0EA09920FB91E1FFB2405E7981F

  • install_name

    WinRAR.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WinRAR

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.2MB

    • MD5

      9829267eb5a37773b209963bbed9e419

    • SHA1

      5d812309f2fe6b21fc0c8f5a5b84b19d2c5df121

    • SHA256

      85f453be7ee3915a11d51992cb30135849abf25006668b2b2589bc96bdca5a20

    • SHA512

      77aa1134121991fae234532f6ae754aecbc55784a60e229b0128a442004103486263b243168672c6552f3ab24cbf2a4a9209e8aaf05af0b24c9b9c4bffccdcd7

    • SSDEEP

      98304:3vj52fyaSZOrPWluWBDG5g5h5ppFUHBp:fa+5xjU

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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