Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 01:26

General

  • Target

    Jagtap Trading - order #JEW-39-16.02.2021.exe

  • Size

    700KB

  • MD5

    44f10846980aaad7a8c4984b214aa4b0

  • SHA1

    77d87acb0ec259ea13dbe261fb51845618bad7b4

  • SHA256

    753cc07b3d3e9d5cc44061f9f5b2933d2e1f7f18155f9c17346592e254eab0c2

  • SHA512

    2af313958523ffb30473ba3111331a267dc05a1ac1680c3129cb88e143a14ea84a3a30536c98fe28b7841162dd750197f65ca0b161a6757f1d75735f4a4062cb

  • SSDEEP

    12288:TBU93mpF4OWwA8rN91UCue1X2EN9+2ii+Tl:TGIWwAkN91Uk1GEFi

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

45.137.22.36:20201

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_mvishsbxyn

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Jagtap Trading - order #JEW-39-16.02.2021.exe
    "C:\Users\Admin\AppData\Local\Temp\Jagtap Trading - order #JEW-39-16.02.2021.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RpVVsgbdJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A16.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2516
    • C:\Users\Admin\AppData\Local\Temp\Jagtap Trading - order #JEW-39-16.02.2021.exe
      "C:\Users\Admin\AppData\Local\Temp\Jagtap Trading - order #JEW-39-16.02.2021.exe"
      2⤵
        PID:2588
      • C:\Users\Admin\AppData\Local\Temp\Jagtap Trading - order #JEW-39-16.02.2021.exe
        "C:\Users\Admin\AppData\Local\Temp\Jagtap Trading - order #JEW-39-16.02.2021.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1A16.tmp

      Filesize

      1KB

      MD5

      413b2804d4f07a9be1b2b68e84c2ff43

      SHA1

      a510f630c5384af593e0f64d390c4d56ecae548c

      SHA256

      5f75136d220fb6555715c9d90e3a63df24ea44e87316e120e1fe4fdeb6cedd3a

      SHA512

      e8ed8b23916f5cbcc2f45162b4fa5f26ed7f495061015a58505b60382773f08f8ba5d0ecb4e27cb30a47f6dc3ceba3bdd31fdf2dde5185a1ae117fa170f2bc3f

    • memory/484-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/484-22-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/484-24-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/484-17-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/484-14-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/484-19-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/484-12-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/484-15-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/540-5-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/540-1-0x00000000013B0000-0x0000000001466000-memory.dmp

      Filesize

      728KB

    • memory/540-2-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/540-0-0x000000007412E000-0x000000007412F000-memory.dmp

      Filesize

      4KB

    • memory/540-6-0x0000000001350000-0x000000000139C000-memory.dmp

      Filesize

      304KB

    • memory/540-4-0x000000007412E000-0x000000007412F000-memory.dmp

      Filesize

      4KB

    • memory/540-3-0x00000000005E0000-0x00000000005EA000-memory.dmp

      Filesize

      40KB

    • memory/540-25-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB