General

  • Target

    91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe

  • Size

    483KB

  • Sample

    240510-b3ldpabd4t

  • MD5

    ee688e51710c1934c41569aa9f163a7b

  • SHA1

    7cbff5e6ba0f471116010ee8606686839e457193

  • SHA256

    91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00

  • SHA512

    6f22891889e961f51714f28f5703e5d8b8d4fdfe103d479fdc6e87462000e6696fbcbed6eff2daac8f5bcfe6beb7074f2804f52036c4b17bfc0e308cb356414d

  • SSDEEP

    6144:cXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNi5Gv:cX7tPMK8ctGe4Dzl4h2QnuPs/ZsHcv

Malware Config

Extracted

Family

remcos

Botnet

rs1_release

C2

dave17.bumbleshrimp.com:52182

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-5ABRG3

  • 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

      91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe

    • Size

      483KB

    • MD5

      ee688e51710c1934c41569aa9f163a7b

    • SHA1

      7cbff5e6ba0f471116010ee8606686839e457193

    • SHA256

      91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00

    • SHA512

      6f22891889e961f51714f28f5703e5d8b8d4fdfe103d479fdc6e87462000e6696fbcbed6eff2daac8f5bcfe6beb7074f2804f52036c4b17bfc0e308cb356414d

    • SSDEEP

      6144:cXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNi5Gv:cX7tPMK8ctGe4Dzl4h2QnuPs/ZsHcv

    • Detects executables built or packed with MPress PE compressor

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks