Analysis

  • max time kernel
    106s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2025, 14:05

General

  • Target

    2025-05-20_556064dc8f4ec3f38e1d0336b64a9d6d_amadey_darkgate_elex_remcos_smoke-loader.exe

  • Size

    6.3MB

  • MD5

    556064dc8f4ec3f38e1d0336b64a9d6d

  • SHA1

    429c077a54063cdcd57d8bfe7f3d0ef3d33eddc4

  • SHA256

    2949528469b271b19c76ecee742ec023b9609a75680e78ce802bdda6cbdb0a9c

  • SHA512

    80f13a4b68deb2eeebefcaba46d5ee25b06591f4a975bbf70a8b942a758ddcbe0ca14fa019b2e21e67a599ba096cb31b37dbcf352d66378b54f14d58594df063

  • SSDEEP

    98304:IhvqKRIUawpKjCoSlQ3wTWcS5vXjrH9MSuN0m0FxaL/Xe1jGVl:IhCWGEvpWPzjuF6m0FxaL/Xem

Score
10/10

Malware Config

Signatures

  • Detects Mofksys worm 1 IoCs
  • Mofksys

    Mofksys is a worm written in VisualBasic.

  • Mofksys family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-05-20_556064dc8f4ec3f38e1d0336b64a9d6d_amadey_darkgate_elex_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-05-20_556064dc8f4ec3f38e1d0336b64a9d6d_amadey_darkgate_elex_remcos_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2484
    • \??\c:\users\admin\appdata\local\temp\2025-05-20_556064dc8f4ec3f38e1d0336b64a9d6d_amadey_darkgate_elex_remcos_smoke-loader.exe 
      c:\users\admin\appdata\local\temp\2025-05-20_556064dc8f4ec3f38e1d0336b64a9d6d_amadey_darkgate_elex_remcos_smoke-loader.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1416
    • C:\Users\Admin\AppData\Roaming\icsys.icn.exe
      C:\Users\Admin\AppData\Roaming\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1828
      • \??\c:\windows\SysWOW64\explorer.exe
        c:\windows\system32\explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:4336

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\2025-05-20_556064dc8f4ec3f38e1d0336b64a9d6d_amadey_darkgate_elex_remcos_smoke-loader.exe 

          Filesize

          6.1MB

          MD5

          d5e07266f4e15f3e43ea7ced56c97603

          SHA1

          43bb8526d2a927b656b45e193511d97fc5c43d66

          SHA256

          7c0ef5ef4da0efda41f3fa2348b8bfc9b3cc644f9d0d6488b07b9f22adeca794

          SHA512

          9b472a77b4fe3eadd67b3e628f2ed13d8b6ffc82ff4cf309ff428f461736791618840b6b273f93ef3bed1d78d5a3437ddab53d949fd724cb6d8c351109d5970b

        • C:\Users\Admin\AppData\Roaming\icsys.icn.exe

          Filesize

          207KB

          MD5

          270c3dc6cbe3cb69b647f201e3a25ede

          SHA1

          8e8a5408fa9247a65a2a1bae2a083d2bc9cde3ef

          SHA256

          fc6912de7cbe47a79fc098f51d7092b10b4f951d2a5ee68e5df49ae01fc950be

          SHA512

          81a2e753c11c915416f41e0ba4e63a2a6f71b89f4f6d182995374c930ad2b7081d81dab0c5f7d90b124a8163710e3edd0ef6d56d0da65f2a148213ec180672ef