General

  • Target

    0fead1eec703dc70cd1eea9e557876b3525d9292ff97b46edfe0720e6856fc41.exe

  • Size

    874KB

  • Sample

    240422-bfkhwadc93

  • MD5

    c3191e226fa56eaf0f574ec73c328469

  • SHA1

    64ee9eb2f3953cb62b0b98b13c375fbee1892d93

  • SHA256

    0fead1eec703dc70cd1eea9e557876b3525d9292ff97b46edfe0720e6856fc41

  • SHA512

    18301ba0043ec222a8c6907c275d8d811be8b2234ead812706a680a6c1431f738527db53c0893942135295bf8ed23bf64f73bd2aefb4667d220ddbc318a2ca39

  • SSDEEP

    24576:LeFmt+PTimCz4DbeYuZYqSGzLhImOOlcWd6OVyE7yn4Rt:LmM+PmmCz4Dyr4GRZJlcWcu57n

Malware Config

Extracted

Family

remcos

Botnet

DHL

C2

64.188.18.137:1604

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-YQ0RSM

  • 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

      0fead1eec703dc70cd1eea9e557876b3525d9292ff97b46edfe0720e6856fc41.exe

    • Size

      874KB

    • MD5

      c3191e226fa56eaf0f574ec73c328469

    • SHA1

      64ee9eb2f3953cb62b0b98b13c375fbee1892d93

    • SHA256

      0fead1eec703dc70cd1eea9e557876b3525d9292ff97b46edfe0720e6856fc41

    • SHA512

      18301ba0043ec222a8c6907c275d8d811be8b2234ead812706a680a6c1431f738527db53c0893942135295bf8ed23bf64f73bd2aefb4667d220ddbc318a2ca39

    • SSDEEP

      24576:LeFmt+PTimCz4DbeYuZYqSGzLhImOOlcWd6OVyE7yn4Rt:LmM+PmmCz4Dyr4GRZJlcWcu57n

    • Remcos

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

    • UAC bypass

    • Windows security bypass

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables packed with or use KoiVM

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Windows security modification

    • Accesses Microsoft Outlook accounts

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks