Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 14:54

General

  • Target

    lucerne as at 28 Nov 2022.exe

  • Size

    579KB

  • MD5

    796280ec19f4cabce99bbb14b4a43f28

  • SHA1

    537bedfbb6f6f2b544bc4892437f4a6050d932a9

  • SHA256

    eeb4e124303b10a370d6c20f70c17303dfe1cd6de4b255d85061804ad6902db0

  • SHA512

    6afca105404a50684a9a4b37646b2bbd17339120849aad6f9c8ef8e2abc4d28ba6ad144195b3db1e676c3d7a3335751b134ed58397d62991895b04a9f6498eb8

  • SSDEEP

    12288:VmwtkzfN9A6V20TKzB32n/3Ki0mGXq7mclWKpNCi/g:ltkzf3A6VR6O/OrXqicvN

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

awa

C2

gdyhjjdhbvxgsfe.gotdns.ch:2718

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-J6C5A7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe
    "C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysteJHuJm.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3760
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:476

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/476-138-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/476-150-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/476-146-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/476-141-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/476-139-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/476-137-0x0000000000000000-mapping.dmp

  • memory/3760-140-0x0000000004E50000-0x0000000005478000-memory.dmp

    Filesize

    6.2MB

  • memory/3760-136-0x0000000004790000-0x00000000047C6000-memory.dmp

    Filesize

    216KB

  • memory/3760-135-0x0000000000000000-mapping.dmp

  • memory/3760-142-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

    Filesize

    136KB

  • memory/3760-143-0x0000000005670000-0x00000000056D6000-memory.dmp

    Filesize

    408KB

  • memory/3760-144-0x00000000056E0000-0x0000000005746000-memory.dmp

    Filesize

    408KB

  • memory/3760-145-0x0000000005D70000-0x0000000005D8E000-memory.dmp

    Filesize

    120KB

  • memory/3760-147-0x0000000006DE0000-0x0000000006E76000-memory.dmp

    Filesize

    600KB

  • memory/3760-148-0x0000000006240000-0x000000000625A000-memory.dmp

    Filesize

    104KB

  • memory/3760-149-0x00000000062A0000-0x00000000062C2000-memory.dmp

    Filesize

    136KB

  • memory/5080-132-0x0000000000EE0000-0x0000000000F76000-memory.dmp

    Filesize

    600KB

  • memory/5080-134-0x0000000005970000-0x0000000005A0C000-memory.dmp

    Filesize

    624KB

  • memory/5080-133-0x0000000005E80000-0x0000000006424000-memory.dmp

    Filesize

    5.6MB