General

  • Target

    QUOTATION - RFQ2496_PO 08775622879.pdf(87kb).lzh.rar

  • Size

    3.6MB

  • Sample

    250108-tvsf5svrcw

  • MD5

    3433a2076f4096a34abc93d4527b2749

  • SHA1

    e28e53b5a65b51c7fc46b6b84e22dadbb6bf2b8b

  • SHA256

    17a4a1dd4588641ec5eb6ce7986b3c35ff57a13b6693f0f886339d29c746947d

  • SHA512

    cc86c4a6591dbe048125453d57e8a04dfe753eb9f8ce05f715d52b4ca4ab57d996dccc2f323f431c0344124e70155a57d26d3aab86370a727cbac193b2305e00

  • SSDEEP

    98304:Wa++aY0V2b9RlgjRQfMno6G2EUBfGkRzPLetj:WGb9RWjOfMo6XEqGyjLcj

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

CODE

C2

twart.myfirewall.org:9792

rency.ydns.eu:5287

wqo9.firewall-gateway.de:8841

code1.ydns.eu:5287

wqo9.firewall-gateway.de:9792

Mutex

025351e291-5d1041-4fa37-932c7-869aeiQec514992

Attributes
  • encryption_key

    3145298725BA5E0DD56E87FFE3F8898EA81E6EDA

  • install_name

    Exccelworkbook.exe

  • log_directory

    Logs

  • reconnect_delay

    6000

  • startup_key

    pdfdocument

  • subdirectory

    SubDir

Targets

    • Target

      QUOTATION - RFQ2496_PO 08775622879.pdf(87kb).com

    • Size

      3.6MB

    • MD5

      9b3c35a49dd56d6282a2a89832046ffc

    • SHA1

      0cb9124335747f5dd253744a828d5e30ca7d06f3

    • SHA256

      2234c3a3350dbeba11b7564dc52d5aa1252777f9ffe8dcf4027dcb54fc4542aa

    • SHA512

      33b45162d1c4e1f6ab103b92921e5fe1754eb3ec1b062298b5b976bc887ef2d559102a2ce8c758c5f7e12e33973c46326a126599226250f941251553be4f2854

    • SSDEEP

      98304:Xd36tNUGXT/1LirUtZDS7uJTtTD+ukiR+erm7fr2:X8tNFNLgQA7E9DtkoK7fK

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks