General

  • Target

    seemybestthingsgivenmegreatthings.hta

  • Size

    20KB

  • Sample

    250213-qlvncsyjaq

  • MD5

    13edeb7e9e1f0162da3164ea63bddd24

  • SHA1

    771b89da88016a67a1e9b01a9bf75df9e51bf1d9

  • SHA256

    6fe4b3d122a0358b546764010647d82d3ffde9bc778e9c778b87dec956338ff7

  • SHA512

    ec855794da3cf2b6952400ae8e0d80c1b794ad5859eb950f74dd47608400a18275229b20e2b95d04556ea0281574c0cc82fd8a6ba92a7f51dd8f2fe1951558f8

  • SSDEEP

    96:fzyH/4TNHHo4TNk0a3JYfYopWosHLH0Q4TN3Hv:fSTr0sSw1W

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.243.136:6878

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-JARS2X

  • 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

      seemybestthingsgivenmegreatthings.hta

    • Size

      20KB

    • MD5

      13edeb7e9e1f0162da3164ea63bddd24

    • SHA1

      771b89da88016a67a1e9b01a9bf75df9e51bf1d9

    • SHA256

      6fe4b3d122a0358b546764010647d82d3ffde9bc778e9c778b87dec956338ff7

    • SHA512

      ec855794da3cf2b6952400ae8e0d80c1b794ad5859eb950f74dd47608400a18275229b20e2b95d04556ea0281574c0cc82fd8a6ba92a7f51dd8f2fe1951558f8

    • SSDEEP

      96:fzyH/4TNHHo4TNk0a3JYfYopWosHLH0Q4TN3Hv:fSTr0sSw1W

    • 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

    • Downloads MZ/PE file

    • Evasion via Device Credential Deployment

    • Checks computer location settings

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

    • Executes dropped EXE

    • Accesses Microsoft Outlook accounts

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks