General

  • Target

    38594d87aaa89b2f7d7d6c9bb666bb6da8e7657d5d810c53d4ec4c37ca8e0e20

  • Size

    7KB

  • Sample

    241208-3m7qja1kem

  • MD5

    f6761e188cc8ca5bd718f2e3dbf930b3

  • SHA1

    5aa7f4246eca1db22c50370ba68cceda53be5b33

  • SHA256

    38594d87aaa89b2f7d7d6c9bb666bb6da8e7657d5d810c53d4ec4c37ca8e0e20

  • SHA512

    325c3015d99c876a70180a4a6c3d721613421536969c6bfe7698c4f9903725ef5e600e1b8dcf0cb333481d10dd2f741bdfd4061dfa199532b938e0c28cf5b90b

  • SSDEEP

    192:60LsSczZKsklD2QNcW39i7+Jc0vFpElGJQGPh:60Ls5zon3Ni7+3QGqGPh

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.17.190:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-3W6OXK

  • 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

      Payment_Advice.vbs

    • Size

      13KB

    • MD5

      ad56c3f3ce8f6dca80b316067593e043

    • SHA1

      12f6b1219e73b84f0fc1e0c27f056ac8b597e561

    • SHA256

      0324a1256fbd39beb2be9e5080f4ae43fb38c921f10b1f425e4ea6c499c19d41

    • SHA512

      5e0420f48d4d5cf1ed208b43908abe6068f231dd16e4c2920fc7ec03f0d49f1c6ae97a2564df435fee4ef564adaac1fca5790585ab389165694ea67ec73be104

    • SSDEEP

      192:IFt1G5TbO/OFPducb5dh+CxWBWFzyVGvDFJagA6a/AldmHOpmyb3YzesvWKnvnnx:Is5TQOFPp5OEWBWFbagASdc+T3tsFvnx

    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks