Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2025, 22:05

General

  • Target

    2025-02-12_ed5b882c9d9312a1f82d7e18df92987e_magniber.exe

  • Size

    4.9MB

  • MD5

    ed5b882c9d9312a1f82d7e18df92987e

  • SHA1

    e0a4a8cebe0ddd0dff0a9d64d4750aa50fde50b7

  • SHA256

    9f07f8740f0983720ae82c9f14c308017cd36bd51a490899b4b2362d78601a07

  • SHA512

    fb8bf5ecaf6db736f0b952da85f7ffb6c9730d4264733c335b28fdc50705f30780d39b7d8207f844b1b14415fc709aefb8e77187d3a09111952bb30f106615a3

  • SSDEEP

    49152:wAt4d/SmMp/luXPzqCcffWTCcAt0ZqJEK8AbYvsYVOMsT4EDIadcgETMprLSWaG:RN/IedcAt0oJ0AYsYEM9FayTMprmWaG

Malware Config

Extracted

Family

remcos

Botnet

Safe

C2

netwin66wow.duckdns.org:8085

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

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    e8f8fe49-282b-4c20-acd2-a068541fa1d9-O3HAEY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-12_ed5b882c9d9312a1f82d7e18df92987e_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-12_ed5b882c9d9312a1f82d7e18df92987e_magniber.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\2025-02-12_ed5b882c9d9312a1f82d7e18df92987e_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-02-12_ed5b882c9d9312a1f82d7e18df92987e_magniber.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\szbulyxlppknjejpehxr.vbs"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 220
      2⤵
      • Program crash
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\szbulyxlppknjejpehxr.vbs

    Filesize

    680B

    MD5

    cbde78ee6687c7c8c827a9401500c2ba

    SHA1

    499b0bd2d16f3995f2e6d07f8f2a2e35032a495c

    SHA256

    e1f8ac94245dc64ef23fc09895732478373d57b8c340adf18e92dd51c57751ff

    SHA512

    6c4f9261a704cb1ac219d04f7cd46b7ce307f80bdbbab04cac855ab85a659d3f4ae6885cb17bb7571ba131c9155590778a74ee8d7e48431a5e5ebe2e15aac95b

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

    Filesize

    144B

    MD5

    67a9c74316a5c58dfa9e23415e9c3cbc

    SHA1

    0584e2c9a29e127eebfc9ad1c734f443f5288ca2

    SHA256

    d39ee8ed842d79f21edf561d548b46ec1273a17343eed6a2691f6f23c394be6c

    SHA512

    a170d2dbf7e8e7fecb435155d0dcbfef8b2cbd36eea57bf1e8309e34b53656d2a77317600e91d5cd602d6178d7113a0eb03787b07a0444de612e4397b838b869

  • memory/1736-0-0x00000000001E0000-0x000000000020A000-memory.dmp

    Filesize

    168KB

  • memory/1736-32-0x0000000000290000-0x0000000000299000-memory.dmp

    Filesize

    36KB

  • memory/2056-4-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-1-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2056-31-0x00000000001EF000-0x00000000001F0000-memory.dmp

    Filesize

    4KB

  • memory/2056-30-0x00000000001EB000-0x00000000001EC000-memory.dmp

    Filesize

    4KB

  • memory/2056-29-0x00000000001ED000-0x00000000001EE000-memory.dmp

    Filesize

    4KB

  • memory/2056-28-0x00000000001EC000-0x00000000001ED000-memory.dmp

    Filesize

    4KB

  • memory/2056-27-0x00000000001E6000-0x00000000001E7000-memory.dmp

    Filesize

    4KB

  • memory/2056-26-0x00000000001EE000-0x00000000001EF000-memory.dmp

    Filesize

    4KB

  • memory/2056-25-0x00000000001E9000-0x00000000001EA000-memory.dmp

    Filesize

    4KB

  • memory/2056-24-0x00000000001E8000-0x00000000001E9000-memory.dmp

    Filesize

    4KB

  • memory/2056-23-0x00000000001EA000-0x00000000001EB000-memory.dmp

    Filesize

    4KB

  • memory/2056-22-0x00000000001E7000-0x00000000001E8000-memory.dmp

    Filesize

    4KB

  • memory/2056-21-0x00000000001E1000-0x00000000001E2000-memory.dmp

    Filesize

    4KB

  • memory/2056-20-0x00000000001F2000-0x00000000001F3000-memory.dmp

    Filesize

    4KB

  • memory/2056-19-0x00000000001E3000-0x00000000001E4000-memory.dmp

    Filesize

    4KB

  • memory/2056-18-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2056-17-0x00000000001D1000-0x00000000001D2000-memory.dmp

    Filesize

    4KB

  • memory/2056-16-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2056-15-0x00000000001F5000-0x00000000001F6000-memory.dmp

    Filesize

    4KB

  • memory/2056-14-0x00000000001F6000-0x00000000001F7000-memory.dmp

    Filesize

    4KB

  • memory/2056-13-0x00000000001FA000-0x00000000001FB000-memory.dmp

    Filesize

    4KB

  • memory/2056-12-0x00000000001F8000-0x00000000001F9000-memory.dmp

    Filesize

    4KB

  • memory/2056-11-0x00000000001F9000-0x00000000001FA000-memory.dmp

    Filesize

    4KB

  • memory/2056-10-0x00000000001F7000-0x00000000001F8000-memory.dmp

    Filesize

    4KB

  • memory/2056-9-0x00000000001F4000-0x00000000001F5000-memory.dmp

    Filesize

    4KB

  • memory/2056-8-0x00000000001F3000-0x00000000001F4000-memory.dmp

    Filesize

    4KB

  • memory/2056-7-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-3-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-33-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-40-0x00000000001F1000-0x00000000001F2000-memory.dmp

    Filesize

    4KB

  • memory/2056-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/2056-38-0x00000000001E2000-0x00000000001E3000-memory.dmp

    Filesize

    4KB

  • memory/2056-37-0x00000000001E4000-0x00000000001E5000-memory.dmp

    Filesize

    4KB

  • memory/2056-41-0x00000000001E5000-0x00000000001E6000-memory.dmp

    Filesize

    4KB

  • memory/2056-43-0x00000000001FC000-0x00000000001FD000-memory.dmp

    Filesize

    4KB

  • memory/2056-42-0x00000000001FB000-0x00000000001FC000-memory.dmp

    Filesize

    4KB

  • memory/2056-45-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-46-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-47-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-49-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-50-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-51-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-53-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-54-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-56-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-61-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB

  • memory/2056-69-0x00000000001C0000-0x0000000000240000-memory.dmp

    Filesize

    512KB