General

  • Target

    7a5faf52402d908016a408da02f61084fa2c4fedb71b07e89dfd919396567aa8

  • Size

    873KB

  • Sample

    240829-df1afazhmf

  • MD5

    0ce70af85f4ce794883b4e62e18df31a

  • SHA1

    177a53519b4b7f968b5be3487e7110ae4dd998d9

  • SHA256

    7a5faf52402d908016a408da02f61084fa2c4fedb71b07e89dfd919396567aa8

  • SHA512

    b0786742a430abccf9f82e791a1ff55da8a8a39a7022fe5b792002b05bd33379b59a2d272fa2fcfde3123643ebd29fab33a6e4dbfd52113f07e6bdf718289e97

  • SSDEEP

    24576:u8hMhOrtCh5sGn8q2QJLsmlnuxNMakxrGYsTg:u8bpKd8q2QJom1uHMakVsk

Malware Config

Extracted

Family

remcos

Botnet

AUG 26

C2

sungito2.ddns.net:6509

154.216.19.222:5532

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-LXAZN2

  • 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

      86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe

    • Size

      928KB

    • MD5

      04d4d4d83e1601d220f83f09ae16cd79

    • SHA1

      4f0a7d8060399a7ae5029690bdee2bf3b2e3e395

    • SHA256

      86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8

    • SHA512

      87747374bd1c72c9d33d2af9e7456617c95e6c100788f16123bf15cb1c6748a13ad1ac9b5a967553fdf668ea226033a741c08f45febc2130a7e50ccabe69333c

    • SSDEEP

      24576:bhdtlx9EP2aKUQ6/FfCH1bGl4rg5YWNexNBpqod:bhdrY+aPQiFgDWcxNzqi

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • 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