Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 02:20

General

  • Target

    4599a9128ac5671a5e3ac44778542f3e67969e1c6f5021279329bf0e45085c62.exe

  • Size

    1.8MB

  • MD5

    bff99dbf40860a95a9191ebc79dc1472

  • SHA1

    ad46a8edc27d43c07f915ba194e91426e1856d8b

  • SHA256

    4599a9128ac5671a5e3ac44778542f3e67969e1c6f5021279329bf0e45085c62

  • SHA512

    ffaac70950b6341bcdd1a8e2822c2014d4b4b0f24f9d38c0decbe05a9c2b7bbe4f4ef8ba279badc1c82ad19f45e180cbacede302b30ce445af02568911e3c0e2

  • SSDEEP

    49152:8PVt/LZeJbInQRav7WTSXjoHRYJQWgRKCM:CTYbInQOKSXjoHRYJn6KCM

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.17.14:2404

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-KC5V8F

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4599a9128ac5671a5e3ac44778542f3e67969e1c6f5021279329bf0e45085c62.exe
    "C:\Users\Admin\AppData\Local\Temp\4599a9128ac5671a5e3ac44778542f3e67969e1c6f5021279329bf0e45085c62.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\4599a9128ac5671a5e3ac44778542f3e67969e1c6f5021279329bf0e45085c62.exe"
      2⤵
        PID:3056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2348-2-0x0000000002B20000-0x0000000002C20000-memory.dmp

      Filesize

      1024KB

    • memory/3056-3-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-5-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-6-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-8-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-7-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-9-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-10-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-11-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-12-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-13-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-15-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-16-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3056-17-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB