General

  • Target

    a08381169f7762c9eb67670f83de9950.js

  • Size

    291KB

  • Sample

    220907-l4hz3abga3

  • MD5

    a0b646abd4976541e217388c57527ab2

  • SHA1

    cb2f9af4ea9a59719067ef77c4dcc4495bf6b0c9

  • SHA256

    ba028d8bbd44342dd5e02af6beb6241c30e7aa9aa791c96e6ff7e1d9deb1b858

  • SHA512

    3fd4730e01c78b17983ebc50f1d0956f30f142ab4d024840ac66bd7bcc357144f938436e4d26267a045bd123bc96c0fdb5df40cdbfd8220ec5803bd950a8acfd

  • SSDEEP

    3072:pMH3Ra37KOBs4ycU8Gsi2Nkk0utv7ylR1RXEDKqFSWJydftq/9vpKIVp9z7zGnR+:qXR+7KOBtytbsp/ZvOlyWqFSeL/zp4o

Malware Config

Extracted

Family

warzonerat

C2

185.157.162.75:4002

Extracted

Family

remcos

Botnet

Chinese

C2

185.157.162.75:2222

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-QRVWLS

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    PowerPc

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      a08381169f7762c9eb67670f83de9950.js

    • Size

      291KB

    • MD5

      a0b646abd4976541e217388c57527ab2

    • SHA1

      cb2f9af4ea9a59719067ef77c4dcc4495bf6b0c9

    • SHA256

      ba028d8bbd44342dd5e02af6beb6241c30e7aa9aa791c96e6ff7e1d9deb1b858

    • SHA512

      3fd4730e01c78b17983ebc50f1d0956f30f142ab4d024840ac66bd7bcc357144f938436e4d26267a045bd123bc96c0fdb5df40cdbfd8220ec5803bd950a8acfd

    • SSDEEP

      3072:pMH3Ra37KOBs4ycU8Gsi2Nkk0utv7ylR1RXEDKqFSWJydftq/9vpKIVp9z7zGnR+:qXR+7KOBtytbsp/ZvOlyWqFSeL/zp4o

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks