General

  • Target

    2a138508a3f7ad82efdeaaf2fc2e44b8.exe

  • Size

    316KB

  • Sample

    231120-vf811shb92

  • MD5

    2a138508a3f7ad82efdeaaf2fc2e44b8

  • SHA1

    af000f491f22fb1903f7ade1dad025ced9fa6a54

  • SHA256

    0dd1595e59366de724e13ddb1df995698e62cc62a3b975eee3b0943352d2c1fc

  • SHA512

    616a2aed06756f3ecee8c8ce86f2209d566d73806400ba2842a90204505c2b4bb9f3e56f6d6b23ad45bdd4e62014d43506383c6465a22dd53c41b74afe162c43

  • SSDEEP

    6144:h3hqL36MLuSGP5cBl32nKaGstWs8soSoGhMfA07X52iWKmLrCBZ0O:h3l1ofaGxuoaR0LAdJWj0O

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

209.127.186.232:4765

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-YRLOX5

  • 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

      2a138508a3f7ad82efdeaaf2fc2e44b8.exe

    • Size

      316KB

    • MD5

      2a138508a3f7ad82efdeaaf2fc2e44b8

    • SHA1

      af000f491f22fb1903f7ade1dad025ced9fa6a54

    • SHA256

      0dd1595e59366de724e13ddb1df995698e62cc62a3b975eee3b0943352d2c1fc

    • SHA512

      616a2aed06756f3ecee8c8ce86f2209d566d73806400ba2842a90204505c2b4bb9f3e56f6d6b23ad45bdd4e62014d43506383c6465a22dd53c41b74afe162c43

    • SSDEEP

      6144:h3hqL36MLuSGP5cBl32nKaGstWs8soSoGhMfA07X52iWKmLrCBZ0O:h3l1ofaGxuoaR0LAdJWj0O

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks