General

  • Target

    INV0986789000.bz2

  • Size

    971KB

  • Sample

    240220-ncakqafd2v

  • MD5

    b637a4d061c43aa0392e7698ca9afa2f

  • SHA1

    5c31397948e13a5da2e84e9793890b47a0e08aa2

  • SHA256

    1158f38806d375e5e6e2454481c3c1eae05a6960303ff07e1d3b2db529d1ef53

  • SHA512

    e3ff671dae221ead35132b29e522dfc46fa454dbc9f6d4ed716427a0d52f0716c2e052873535a874d3c976b293784d735ba73a8da99a010e5345e1f16440ed5f

  • SSDEEP

    24576:3QI49X3cdJkK72H+weBZKNchbrh6m3b5OmFKaMC4onKC+MeiCH:gI4wJ172eweBUNKr1b5OmiCfnK24

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • 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

    yes.png

  • keylog_flag

    false

  • keylog_folder

    aka

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    jhudguiytgu-AAHEXC

  • 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

      INV0986789000.BAT

    • Size

      1.1MB

    • MD5

      d0adb2a02e298fe8f87ed5db6dcf7d2a

    • SHA1

      48a9594945178d8560100f101726af79ed59b991

    • SHA256

      77a14a3a0aa8ab6a42ed3e61f0092a31d551cf71bafedc9306450c62be0da1e0

    • SHA512

      f9b4f2c910e75aad4f9d2c311aadf37cc55e11886cbc8d5883d8d23a2cf1e3011a21ef8b02665347defff4be80b71f703e6648376c9e3d1d3a830103b256f560

    • SSDEEP

      24576:iArtarSmP0Y74nMRvl3aN1+K7EHyEeBZgNw/frTMm/dj2mJuMyQMhKE:iArtardp74Ek1X7ESEeBuNirpdj2mLyX

    • 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.

    • 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