Overview

overview

10

Static

static

10

plswork.exe

windows7-x64

10

plswork.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    plswork.exe

  • Size

    502KB

  • Sample

    250121-h931mssqbz

  • MD5

    71685fb1a3701f1e27e48ba3e3ce9530

  • SHA1

    f460a9ecc7e35b4691532bc6c647dbe3973a51ca

  • SHA256

    6600b4938a679ecd93d6149fb3f8fe74c8b347106de55a4853a76ae7a204950e

  • SHA512

    3a7505c3faacf6f3e113570545767757d2db5aa342023a4eea27e49e4d632a0064a957c6b07f950e727dd71b8262b768626521cf1d1fbb195fd36d7db7bf5c5a

  • SSDEEP

    12288:9TEgdfY2xUJkhPPck43yw7VpDZx68Vcde:eUwtOoyw7VpDZdcde

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

137.184.144.245:4782

Mutex

6cfe4a65-c41d-4b02-9ae9-e727a748ae84

Attributes
  • encryption_key

    B702BA239316FCF317B584A351F2EC1696EBE772

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java updater

  • subdirectory

    SubDir

Targets

    • Target

      plswork.exe

    • Size

      502KB

    • MD5

      71685fb1a3701f1e27e48ba3e3ce9530

    • SHA1

      f460a9ecc7e35b4691532bc6c647dbe3973a51ca

    • SHA256

      6600b4938a679ecd93d6149fb3f8fe74c8b347106de55a4853a76ae7a204950e

    • SHA512

      3a7505c3faacf6f3e113570545767757d2db5aa342023a4eea27e49e4d632a0064a957c6b07f950e727dd71b8262b768626521cf1d1fbb195fd36d7db7bf5c5a

    • SSDEEP

      12288:9TEgdfY2xUJkhPPck43yw7VpDZx68Vcde:eUwtOoyw7VpDZdcde

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks