General

  • Target

    f8b12b37061c62984a170f834535842b.exe

  • Size

    516KB

  • Sample

    210722-r8g36bl2xx

  • MD5

    f8b12b37061c62984a170f834535842b

  • SHA1

    f178dbcaafb30841c1a6a1c78be84ecbaf37b3f7

  • SHA256

    548f6a3cc2e79d94f8735680af5a91b4d8dc1a003e578d9027dca782939c9755

  • SHA512

    4d24383d101edaf279af020c4e39731819465a22475548649511523732626ea04d679fc8dd832b59555099bd9b1c82407334ab6106010444f4ebcfa37d780607

Malware Config

Extracted

Family

warzonerat

C2

byx.z86.ru:5200

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

dpqw-avira.bot.nu:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    explorer.exe

  • copy_folder

    windows

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_abihghbcgbxx#

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    pdf

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      f8b12b37061c62984a170f834535842b.exe

    • Size

      516KB

    • MD5

      f8b12b37061c62984a170f834535842b

    • SHA1

      f178dbcaafb30841c1a6a1c78be84ecbaf37b3f7

    • SHA256

      548f6a3cc2e79d94f8735680af5a91b4d8dc1a003e578d9027dca782939c9755

    • SHA512

      4d24383d101edaf279af020c4e39731819465a22475548649511523732626ea04d679fc8dd832b59555099bd9b1c82407334ab6106010444f4ebcfa37d780607

    • Remcos

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

    • WarzoneRat, AveMaria

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

    • Downloads MZ/PE file

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks