General

  • Target

    burppack3-2024.rar

  • Size

    208.5MB

  • Sample

    241216-sa83qatqap

  • MD5

    e46b7a7c74936da5eeaccc0673bc3a48

  • SHA1

    8121ce377b5c55f198b3cafa4f9e7ad75ee187d1

  • SHA256

    fe894016f94b60553d9138137f52578c6433fd74a73ad89ab8b44557fc0c3325

  • SHA512

    1c2690620c5427420ce7e0f48c67082d513a19695a185dbfbc4b165bb36f4f3132e63c336c562c01889a349df3d9c11bbb0306856ea1365a93d14cf50334c51a

  • SSDEEP

    6291456:UqR1PHJG2ESQZlZ0GZSAaXnHLvWYhF9uFemAuWqIVxjZW3w:UYJpnOZlZ0GZSAaXnHBuAmAIIHZww

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

data

C2

datalett.ddns.net:4444

Mutex

QSR_MUTEX_hzYSE6QTCu4NH4iCzb

Attributes
  • encryption_key

    CQFMtoja6aYivVz7BMEo

  • install_name

    svhostt.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svhostt

  • subdirectory

    SubDir

Targets

    • Target

      burppack3-2024.rar

    • Size

      208.5MB

    • MD5

      e46b7a7c74936da5eeaccc0673bc3a48

    • SHA1

      8121ce377b5c55f198b3cafa4f9e7ad75ee187d1

    • SHA256

      fe894016f94b60553d9138137f52578c6433fd74a73ad89ab8b44557fc0c3325

    • SHA512

      1c2690620c5427420ce7e0f48c67082d513a19695a185dbfbc4b165bb36f4f3132e63c336c562c01889a349df3d9c11bbb0306856ea1365a93d14cf50334c51a

    • SSDEEP

      6291456:UqR1PHJG2ESQZlZ0GZSAaXnHLvWYhF9uFemAuWqIVxjZW3w:UYJpnOZlZ0GZSAaXnHBuAmAIIHZww

    Score
    1/10
    • Target

      Read-me.txt

    • Size

      79B

    • MD5

      4d95d65bae99fc01b6525c3fabcef7d2

    • SHA1

      c363cee70aef9b36aa7e8764e42a8f24d056a3ca

    • SHA256

      e947678ddca921f4d1c34505b4e944cb175001491a0211633be78ba15208973a

    • SHA512

      f9aec8f5ce501f7e32f498cbfa6f6b2d12647ff164a7b0e951052b609921a0971e08d42270024f58767cbdbaabbbb00fc59e8737bdbe9abc54976f4e1d8ec011

    Score
    3/10
    • Target

      burpsuite2.2.3.EXE

    • Size

      208.5MB

    • MD5

      460086865d75f8d8f8d54e742d0656b0

    • SHA1

      cd71c90b408830ae89b48a3461024dc95a940f3b

    • SHA256

      b488a4eb81c8327a60690f68d767016b3197341917faacc0b398fce5d0dac4ac

    • SHA512

      c961d1f9733925823b5308aff2e53f5446f9c43689f861c1c88f0e13726b6be8f053d59b35ae6a55fe3d1ff02336a942a432dc2bc9b8b55aa5fda421aa88fded

    • SSDEEP

      3145728:71osewEwZ01WNfNh32OWCkJoCGGz3xdjEFlv6xIirbJuecrstRyRBRfSqa2tErKl:+3YtmOWCkh3PjGl8bJcA8HKWEuxp5HT

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks