General

  • Target

    a13294a6154bab3c3b03ad32b9752197ff24c1bf5ddefd4f50e01c2709f26f4a.zip

  • Size

    869KB

  • Sample

    240402-l1cc4sde9v

  • MD5

    b346cc774417ed00e3e81823f43e4a25

  • SHA1

    932adecb2c60fd9deda4bd0e21d427cd71f442ce

  • SHA256

    324b231b961f203f830af2a9eecfc3015e0e10a340309174392075aa555b2447

  • SHA512

    ee3598899fe2d93fbfc2c23d07beb4b85e045581830b3ac4b7dae387e8f7cff1183b12fbc912568fa8ea44e15abaff788b6389a325876f65fe290ce90302b4a9

  • SSDEEP

    24576:Ty9cW/rMICZK386/DJcbp7WnOX/2zzMDjxY+V:TtWz3DObUOQMDjxY+V

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

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

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-TLPQMO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      a13294a6154bab3c3b03ad32b9752197ff24c1bf5ddefd4f50e01c2709f26f4a.exe

    • Size

      1.2MB

    • MD5

      9364a597cf9a137519ba3d3b011d0b14

    • SHA1

      59ba8948d0f6435da4fcce19fe13c701b90a0db3

    • SHA256

      a13294a6154bab3c3b03ad32b9752197ff24c1bf5ddefd4f50e01c2709f26f4a

    • SHA512

      98167c854be13312e44fa611a215d2b55267555ca70b4c8d78cc425b6b095c109f2bc97178c44c2dfc0699c07b6f718f7d5c1718af132420ec131e075ade7039

    • SSDEEP

      24576:yAHnh+eWsN3skA4RV1Hom2KXMmHasYOU/lUZGH0BpvqX/4HjnK+EDRm8o5:1h+ZkldoPK8YasYpGG0yX/uK+EDo3

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Drops startup 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.

    • Accesses Microsoft Outlook accounts

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks