General

  • Target

    Inquiry_21.05.2024.cmd

  • Size

    2.4MB

  • Sample

    240521-afk9qscd31

  • MD5

    310d4d99cecd6008ec8b6e891b8569fe

  • SHA1

    7dc5bf6d18750b3b7f4a1891098c8ec61f556b04

  • SHA256

    880446a1c86ab125fdbeef3a5f724dcbf3b1e78fc05d1f957f3c3f0bf9abba95

  • SHA512

    8decac33b04207e860df8c3a3c4a40057df041ea5f1c78c06f09f0ce12be13173035a1ae52c25ee58035a3d3c1b68ca86e7706e3469a52d10636f9ccdc695216

  • SSDEEP

    24576:vu6hz/Ca7b8Olc80Ck06GIUEyoaPjyeNwVE1LLD2XCn+RCN1DVkY67:vuAbCasOl/nk0AyXjRYELC7

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

kingmethod.duckdns.org:8290

kingmethod.sytes.net:4203

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

    cxz-PR4BML

  • 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

      Inquiry_21.05.2024.cmd

    • Size

      2.4MB

    • MD5

      310d4d99cecd6008ec8b6e891b8569fe

    • SHA1

      7dc5bf6d18750b3b7f4a1891098c8ec61f556b04

    • SHA256

      880446a1c86ab125fdbeef3a5f724dcbf3b1e78fc05d1f957f3c3f0bf9abba95

    • SHA512

      8decac33b04207e860df8c3a3c4a40057df041ea5f1c78c06f09f0ce12be13173035a1ae52c25ee58035a3d3c1b68ca86e7706e3469a52d10636f9ccdc695216

    • SSDEEP

      24576:vu6hz/Ca7b8Olc80Ck06GIUEyoaPjyeNwVE1LLD2XCn+RCN1DVkY67:vuAbCasOl/nk0AyXjRYELC7

    • 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

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks