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Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250322-wk361axzht

  • MD5

    73c23b1192bfd4f2fd59ca10523e13f2

  • SHA1

    587f13586069971b5fb715a66aa498c36510a5dc

  • SHA256

    d9db91945538a06bb9f9fd23cdba8b769953b654486c9d6ef85e891c58df2ffd

  • SHA512

    07195c5b5f75aa682a5957e5f1bd440dd6b4cce1b6a4fd76ae0a9d621d8b32e25633178b71bffb02bb0c8af482dc00863e29a18e016694d8cfd5fb89740d32ec

  • SSDEEP

    49152:HvLlL26AaNeWgPhlmVqvMQ7XSKOfsqIBe9joGARVTHHB72eh2NT:HvxL26AaNeWgPhlmVqkQ7XSKOEqZ

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.10.126:52427

94.31.108.129:52427
Mutex

8338883e-e167-4933-893d-9116970a5a7e

Attributes
  • encryption_key

    FFFB8904E2A834B666E9B38240430975448158C8

  • install_name

    pcimprover.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft-Imrpover

  • subdirectory

    find

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      73c23b1192bfd4f2fd59ca10523e13f2

    • SHA1

      587f13586069971b5fb715a66aa498c36510a5dc

    • SHA256

      d9db91945538a06bb9f9fd23cdba8b769953b654486c9d6ef85e891c58df2ffd

    • SHA512

      07195c5b5f75aa682a5957e5f1bd440dd6b4cce1b6a4fd76ae0a9d621d8b32e25633178b71bffb02bb0c8af482dc00863e29a18e016694d8cfd5fb89740d32ec

    • SSDEEP

      49152:HvLlL26AaNeWgPhlmVqvMQ7XSKOfsqIBe9joGARVTHHB72eh2NT:HvxL26AaNeWgPhlmVqkQ7XSKOEqZ

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks