General

  • Target

    LPO-DOCS-140822.exe

  • Size

    692KB

  • Sample

    220815-k3wn4abed5

  • MD5

    87870a512b0d889e1da9ee54388799ca

  • SHA1

    01e96643d8a754f8d37e21b1279a79547cb67eed

  • SHA256

    fd9c78c0994c085516b97c91de39ffe88b7111ac2f040f826e53c6c9f72ffce7

  • SHA512

    7cbd005058a5a3e99149097999a2d73deeb195b4240309b0e32dcf5c3c10ee76b39ebeb48453df23ddfad9e0c3345dea4e9ccbd638e1f9b99af09e2130f22ffd

Malware Config

Extracted

Family

remcos

Botnet

Finally

C2

185.62.86.145:42024

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    onedrivee

  • mouse_option

    false

  • mutex

    onedrive-TYU0OA

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      LPO-DOCS-140822.exe

    • Size

      692KB

    • MD5

      87870a512b0d889e1da9ee54388799ca

    • SHA1

      01e96643d8a754f8d37e21b1279a79547cb67eed

    • SHA256

      fd9c78c0994c085516b97c91de39ffe88b7111ac2f040f826e53c6c9f72ffce7

    • SHA512

      7cbd005058a5a3e99149097999a2d73deeb195b4240309b0e32dcf5c3c10ee76b39ebeb48453df23ddfad9e0c3345dea4e9ccbd638e1f9b99af09e2130f22ffd

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks