General

  • Target

    0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799

  • Size

    686KB

  • Sample

    220302-f279aadbe6

  • MD5

    51da9d817874e8eb7020e708e263f79a

  • SHA1

    2f175ccb80f9103865bf89c0c9ea7754a6d99ba3

  • SHA256

    0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799

  • SHA512

    366875c7f4af27f74c7603fed936bbb9ecb0f6bf2e37b2ff9f00643ab1df2753930721c41ac09cce882ca577e98ad369adb7658759f34070bc165c3aeb8de82b

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Harry

C2

newremc22.ddns.net:2717

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_qvoysmnedqksues

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    bin

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799

    • Size

      686KB

    • MD5

      51da9d817874e8eb7020e708e263f79a

    • SHA1

      2f175ccb80f9103865bf89c0c9ea7754a6d99ba3

    • SHA256

      0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799

    • SHA512

      366875c7f4af27f74c7603fed936bbb9ecb0f6bf2e37b2ff9f00643ab1df2753930721c41ac09cce882ca577e98ad369adb7658759f34070bc165c3aeb8de82b

    • Remcos

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Tasks