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

    240127-3ydltsehg2

  • MD5

    f5d2af5987f6a8e0f13373d1dc1e32ed

  • SHA1

    3b3c1de6dedb60947e6d4c2e9e051f3dcb60821b

  • SHA256

    5c44655b450e0c7bf2b4e0b602a8b98607e401531b0059755f89947563acff8e

  • SHA512

    6f6ef5450ed4b5e69478811c082f0098bc43560dd936af985316ed851e061eda4294dcfb350501e1d195e5b8b829707e36eaad448a9597a5e3cc12ef7d30c78d

  • SSDEEP

    49152:2v7t62XlaSFNWPjljiFa2RoUYIDR/MBxwLoGdbmTHHB72eh2NT:2v562XlaSFNWPjljiFXRoUYIN/N

Score
10/10
quasaroffice04persistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.80:4782

Mutex

6ad5f199-f252-465a-b717-9dd5b4a20516

Attributes
  • encryption_key

    0F1F3A5607006AB737BEF11D409223FCD4907812

  • install_name

    Microsoft.exe

  • log_directory

    Logs

  • reconnect_delay

    0

  • startup_key

    Microsoft

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      f5d2af5987f6a8e0f13373d1dc1e32ed

    • SHA1

      3b3c1de6dedb60947e6d4c2e9e051f3dcb60821b

    • SHA256

      5c44655b450e0c7bf2b4e0b602a8b98607e401531b0059755f89947563acff8e

    • SHA512

      6f6ef5450ed4b5e69478811c082f0098bc43560dd936af985316ed851e061eda4294dcfb350501e1d195e5b8b829707e36eaad448a9597a5e3cc12ef7d30c78d

    • SSDEEP

      49152:2v7t62XlaSFNWPjljiFa2RoUYIDR/MBxwLoGdbmTHHB72eh2NT:2v562XlaSFNWPjljiFXRoUYIN/N

    Score
    10/10
    quasaroffice04persistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks