General

  • Target

    seemebestthingsonthepartofworldwhichgrrweatfor.tIF

  • Size

    139KB

  • Sample

    241112-mtk74s1dmc

  • MD5

    1860dcae987d5ed903d93a6cfc698eaf

  • SHA1

    aaee36eb86bd7c80fd0ae9328bea5650f8c74d12

  • SHA256

    d72fec7ef303edc51d89e59e92743962f4f742d4678f4d01cafb1a110741efb3

  • SHA512

    73befb8642d5c9828c6d67bcbcb4b6128410c07e2abbef7ae65a3fa4fc067ee50e7c9c81cf1e2f2b56ddd8cbfa94f20bf56ce3e8848d7a9403a14c8de6d22742

  • SSDEEP

    1536:ewGqea2fZl3q7dC9dpNKVLmlxmxfxGgymuQqDcsCDYgt5pzTNoloGwm:+a2xla7dkdp4saxfwgyRQqDNgt5ptGwm

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Family

remcos

Botnet

RemoteHost

C2

wayo.duckdns.org:6847

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-Z90JT3

  • 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

      seemebestthingsonthepartofworldwhichgrrweatfor.tIF

    • Size

      139KB

    • MD5

      1860dcae987d5ed903d93a6cfc698eaf

    • SHA1

      aaee36eb86bd7c80fd0ae9328bea5650f8c74d12

    • SHA256

      d72fec7ef303edc51d89e59e92743962f4f742d4678f4d01cafb1a110741efb3

    • SHA512

      73befb8642d5c9828c6d67bcbcb4b6128410c07e2abbef7ae65a3fa4fc067ee50e7c9c81cf1e2f2b56ddd8cbfa94f20bf56ce3e8848d7a9403a14c8de6d22742

    • SSDEEP

      1536:ewGqea2fZl3q7dC9dpNKVLmlxmxfxGgymuQqDcsCDYgt5pzTNoloGwm:+a2xla7dkdp4saxfwgyRQqDNgt5ptGwm

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks