Overview

overview

10

Static

static

3

sender_Leaked.exe

windows7-x64

7

sender_Leaked.exe

windows10-2004-x64

10

Resubmissions

25/11/2023, 15:50

231125-s9wlnsbc69 10

25/11/2023, 15:41

231125-s473hsbc52 10

Sharing

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General

  • Target

    sender_Leaked.bin

  • Size

    10.4MB

  • Sample

    231125-s473hsbc52

  • MD5

    ec24824b426d96f1137c664f23309a97

  • SHA1

    0eb8f4d89dc4ac3824d0ce3a4d872c2ab0d52b38

  • SHA256

    bd129bf2a26437a068b7486b46ca77d6f45786ac9f400c94678c0fdd15759a42

  • SHA512

    14a2701c7551232da3c1d5d9cb18cf76f6aed52e046b6fd5aed9fd65bfa9058090a95331265f550d677b1c9947194f4b2e035ee2a8c9d7faa7d4b109e6c15738

  • SSDEEP

    196608:XHdqeGkP/DnwZsupqDA1jV19v7+dPB68K1T59Y8pC/Uhh6ipc+46h:NFrn8sOqkFV1B+JB6F59bpP7xc+ph

Score
10/10
quasaroffice04spywaretrojanupx

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office04

C2

185.238.3.205:6669

Mutex

FZ9tFtIMY3x5Jj5ovh

Attributes
  • encryption_key

    1HbcTxYxyoztsN63DXRU

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      sender_Leaked.bin

    • Size

      10.4MB

    • MD5

      ec24824b426d96f1137c664f23309a97

    • SHA1

      0eb8f4d89dc4ac3824d0ce3a4d872c2ab0d52b38

    • SHA256

      bd129bf2a26437a068b7486b46ca77d6f45786ac9f400c94678c0fdd15759a42

    • SHA512

      14a2701c7551232da3c1d5d9cb18cf76f6aed52e046b6fd5aed9fd65bfa9058090a95331265f550d677b1c9947194f4b2e035ee2a8c9d7faa7d4b109e6c15738

    • SSDEEP

      196608:XHdqeGkP/DnwZsupqDA1jV19v7+dPB68K1T59Y8pC/Uhh6ipc+46h:NFrn8sOqkFV1B+JB6F59bpP7xc+ph

    Score
    10/10
    upxquasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Blocklisted process makes network request

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks