Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 01:56

General

  • Target

    f9c6e2f4c1be741b973d13b711fe68c71a2245c9908d0345724805f5eff1e2e7.exe

  • Size

    3.5MB

  • MD5

    6626a89aa5cc47a20e9de81360327a3e

  • SHA1

    c50e1f4cd7dc8cc23a3b73e0fb49464bbb6f2511

  • SHA256

    f9c6e2f4c1be741b973d13b711fe68c71a2245c9908d0345724805f5eff1e2e7

  • SHA512

    c3f2d9b5e7ddc03e8d1318f3a0faecf9e60938650203acf17032c3685ddb084e5d209e1f89d09886cc72eff9103ab907949df409a28504817453c85f9d28d170

  • SSDEEP

    49152:fT2Wd4IbtCaIZ+SgnCxaC+1R5oWjhRSTp8Z2WTWw/10tte7:SW5QxajvOWM8UWTWw/IU

Malware Config

Extracted

Family

remcos

Botnet

fuck

C2

republicadominica2025.ip-ddns.com:30202

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

    rostad

  • mouse_option

    false

  • mutex

    iwebfiewbfihbewlfkm-WH4782

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Adds Run key to start application 2 TTPs 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: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9c6e2f4c1be741b973d13b711fe68c71a2245c9908d0345724805f5eff1e2e7.exe
    "C:\Users\Admin\AppData\Local\Temp\f9c6e2f4c1be741b973d13b711fe68c71a2245c9908d0345724805f5eff1e2e7.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\f9c6e2f4c1be741b973d13b711fe68c71a2245c9908d0345724805f5eff1e2e7.exe
      "C:\Users\Admin\AppData\Local\Temp\f9c6e2f4c1be741b973d13b711fe68c71a2245c9908d0345724805f5eff1e2e7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\rostad\logs.dat

    Filesize

    184B

    MD5

    20f42f201a8799380d76c663b0063ce9

    SHA1

    313079f5586bef525de234858970baff4a9b96ec

    SHA256

    eb813aa01bb7ee6f90f9938925be7d5343b5110ad94239656a8abc8b8be32029

    SHA512

    58f0aedf3038b01760749ee5d4d9b2ddfc74cd1e9f2f51231798f5f58aced314c1bfe29f4e0fa44065397ccc74f71e40fa1eb65666f99caa85a723c01feefb62

  • memory/2124-30-0x0000000000E90000-0x0000000000EE8000-memory.dmp

    Filesize

    352KB

  • memory/2124-0-0x0000000000A60000-0x0000000000A89000-memory.dmp

    Filesize

    164KB

  • memory/3448-15-0x0000000000799000-0x000000000079A000-memory.dmp

    Filesize

    4KB

  • memory/3448-55-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-28-0x00000000007A3000-0x00000000007A4000-memory.dmp

    Filesize

    4KB

  • memory/3448-27-0x000000000079A000-0x000000000079B000-memory.dmp

    Filesize

    4KB

  • memory/3448-5-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-26-0x00000000007A2000-0x00000000007A3000-memory.dmp

    Filesize

    4KB

  • memory/3448-25-0x000000000079B000-0x000000000079C000-memory.dmp

    Filesize

    4KB

  • memory/3448-24-0x00000000007A1000-0x00000000007A2000-memory.dmp

    Filesize

    4KB

  • memory/3448-23-0x0000000000798000-0x0000000000799000-memory.dmp

    Filesize

    4KB

  • memory/3448-22-0x0000000000795000-0x0000000000796000-memory.dmp

    Filesize

    4KB

  • memory/3448-31-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-21-0x00000000007AA000-0x00000000007AB000-memory.dmp

    Filesize

    4KB

  • memory/3448-20-0x00000000007A7000-0x00000000007A8000-memory.dmp

    Filesize

    4KB

  • memory/3448-12-0x0000000000793000-0x0000000000794000-memory.dmp

    Filesize

    4KB

  • memory/3448-18-0x000000000079C000-0x000000000079D000-memory.dmp

    Filesize

    4KB

  • memory/3448-17-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB

  • memory/3448-16-0x000000000079E000-0x000000000079F000-memory.dmp

    Filesize

    4KB

  • memory/3448-2-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-68-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-6-0x000000000079F000-0x00000000007A0000-memory.dmp

    Filesize

    4KB

  • memory/3448-19-0x00000000007A4000-0x00000000007A5000-memory.dmp

    Filesize

    4KB

  • memory/3448-11-0x0000000000792000-0x0000000000793000-memory.dmp

    Filesize

    4KB

  • memory/3448-10-0x0000000000791000-0x0000000000792000-memory.dmp

    Filesize

    4KB

  • memory/3448-9-0x00000000007AC000-0x00000000007AD000-memory.dmp

    Filesize

    4KB

  • memory/3448-8-0x0000000000796000-0x0000000000797000-memory.dmp

    Filesize

    4KB

  • memory/3448-7-0x000000000079D000-0x000000000079E000-memory.dmp

    Filesize

    4KB

  • memory/3448-36-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-37-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-1-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-42-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-43-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-48-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-50-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-13-0x0000000000794000-0x0000000000795000-memory.dmp

    Filesize

    4KB

  • memory/3448-56-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-61-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-62-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/3448-14-0x00000000007AB000-0x00000000007AC000-memory.dmp

    Filesize

    4KB

  • memory/3448-69-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB