Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 14:14

General

  • Target

    d8cddc980098b654c3ac1c3b259063b1d23dd602c880a343987b278e0149a0ff.exe

  • Size

    11.6MB

  • MD5

    36ddc59c81a64a958522afe36db514eb

  • SHA1

    38a91b48f008c1f373a497958b99b55759c31e8e

  • SHA256

    d8cddc980098b654c3ac1c3b259063b1d23dd602c880a343987b278e0149a0ff

  • SHA512

    30fbfdf2a72cb6dc32e3474183f7568612bf9073636b8f46c4dacc7159dcfaaaeae9b7f14099bdce127e1e4c6e76ceda95b4299d97908ebd47d43ca3de67fbe8

  • SSDEEP

    196608:66d/muCW+Mwsdu3Z/pSyahZZNIb/rlDn7lPAUMmEzCLzBHelLat1jNX+usduHS9+:9/LmsdutoPhZZNM/pn7eUM0Lznt1pOh9

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

GN07

C2

g8m3cyido670ly5.club:2404

zykk5es6go3izsb.club:2404

j3wb76496fukmhj.ru:2404

6aj7sx0v4x0o7z8.ru:2404

yg9twivamv6sw0n.ru:2404

nxghej4nnhx4j8u.ru:2404

u4wqbjlplzi5hdx.ru:2404

xzpnhfvNlSjjchr.club:2404

LPBaFlDPvNSq11I.club:2404

ewgxBUwkuncJO90.club:2404

BCBNcQ393Z3HPLQ.club:2404

CEDSXoissLv2NiM.club:2404

PgqduOYXVZeNNam.xyz:2404

USd7O88wEMlUtX5.xyz:2404

pMfiryhhkiN98Px.xyz:2404

Se2Qwz60L2OxZNM.xyz:2404

GWtY0fiG58DCq6F.xyz:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    alocal

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-7NX4GS

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • Remcos family
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8cddc980098b654c3ac1c3b259063b1d23dd602c880a343987b278e0149a0ff.exe
    "C:\Users\Admin\AppData\Local\Temp\d8cddc980098b654c3ac1c3b259063b1d23dd602c880a343987b278e0149a0ff.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\alocal\logs.dat

    Filesize

    92B

    MD5

    0f8d7d17822dde778946e9f8891d9c38

    SHA1

    6b015a6a71da380482f21a742c5d5c45423c6122

    SHA256

    58de1e1ec01306fb678af9bd91ba7b4bc45f33c83d187ae6686b8eca35739c2f

    SHA512

    a9edfa511bd86d77b0a154c397518607817bf6775fae1ecbf0f92d5bf452c0713c8d7f30c53037a6e7853953acc8a72e9cdc9d5ceb38bca4c12065203de2277e

  • memory/3404-14-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3404-7-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3404-17-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3404-13-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3404-11-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/5008-3-0x0000000074CD0000-0x0000000075480000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-2-0x0000000006000000-0x000000000602E000-memory.dmp

    Filesize

    184KB

  • memory/5008-6-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

    Filesize

    4KB

  • memory/5008-9-0x0000000074CD0000-0x0000000075480000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

    Filesize

    4KB

  • memory/5008-1-0x0000000000B80000-0x000000000172A000-memory.dmp

    Filesize

    11.7MB