Analysis

  • max time kernel
    147s
  • max time network
    151s
  • 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 10:24

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:5048
    • 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:4244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\rostad\logs.dat

    Filesize

    184B

    MD5

    901231507008441d853c2d9a2345ff75

    SHA1

    300c85e0b2c5e7910bad8e1c9f66840014e119ac

    SHA256

    0acd6a6c80ba556dbf8175ee62d7e14f74609b0c50e0eab3283a167b2c3a0ca2

    SHA512

    69d5240fc37b6dfda777dc05bd2b34c485d93056af3d3632dfd2e131142db7e3259359bf17152d4f63c09538d842c499556eb0662e52cfd8a97bdc8251639853

  • memory/4244-17-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-55-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-4-0x00000000007C8000-0x00000000007C9000-memory.dmp

    Filesize

    4KB

  • memory/4244-13-0x00000000007D0000-0x00000000007D1000-memory.dmp

    Filesize

    4KB

  • memory/4244-15-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-54-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-10-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-9-0x00000000007CF000-0x00000000007D0000-memory.dmp

    Filesize

    4KB

  • memory/4244-8-0x00000000007E0000-0x00000000007E1000-memory.dmp

    Filesize

    4KB

  • memory/4244-7-0x00000000007D2000-0x00000000007D3000-memory.dmp

    Filesize

    4KB

  • memory/4244-6-0x00000000007CA000-0x00000000007CB000-memory.dmp

    Filesize

    4KB

  • memory/4244-5-0x00000000007D3000-0x00000000007D4000-memory.dmp

    Filesize

    4KB

  • memory/4244-14-0x00000000007CE000-0x00000000007CF000-memory.dmp

    Filesize

    4KB

  • memory/4244-3-0x00000000007C9000-0x00000000007CA000-memory.dmp

    Filesize

    4KB

  • memory/4244-41-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-23-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-2-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-28-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-29-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-35-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-36-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-22-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-42-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-47-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/4244-49-0x0000000000790000-0x0000000000810000-memory.dmp

    Filesize

    512KB

  • memory/5048-16-0x00000000026A0000-0x00000000026F8000-memory.dmp

    Filesize

    352KB

  • memory/5048-1-0x0000000000920000-0x0000000000949000-memory.dmp

    Filesize

    164KB