Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/10/2026, 14:11

General

  • Target
    BTMOB.exe
  • Size 23.8MB
  • Sample261005-rhd2wahc43
  • SHA256 bc1f4aced516d10f5cfcd5663fa9b94c34f81d9a19cb391034f920de09617a8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • overlord

C2
  • 162.35.96.43:5173

Signatures

  • Family: BTMOB

    BTMOB is a Windows RAT written in C#.

  • Family: Overlord

    Overlord is an open-source Windows RAT written in Golang.

  • Detects BTMOB RAT 2 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BTMOB.exe
    "C:\Users\Admin\AppData\Local\Temp\BTMOB.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Users\Admin\AppData\Local\Packages\d61b7da8\4bd6a3b1d0e0.exe
      "C:\Users\Admin\AppData\Local\Packages\d61b7da8\4bd6a3b1d0e0.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\Users\Admin\AppData\Local\Packages\d61b7da8\comp0.exe
        "C:\Users\Admin\AppData\Local\Packages\d61b7da8\comp0.exe"
        3⤵
        • Executes dropped EXE
        PID:5584
      • C:\Users\Admin\AppData\Local\Packages\SP_26e9ab85\agent-windows-amd64-891d7ab5.exe
        "C:\Users\Admin\AppData\Local\Packages\SP_26e9ab85\agent-windows-amd64-891d7ab5.exe"
        3⤵
        • Creates a file in the Startup directory
        • Executes dropped EXE
        • Adds Run key to start application
        PID:244
  • C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_8a7b32599838.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_8a7b32599838.exe"
    1⤵
    • Creates a file in the Startup directory
    • Executes dropped EXE
    • Adds Run key to start application
    PID:3648

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        agent-windows-amd64-891d7ab5.exe

        • Path C:\Users\Admin\AppData\Local\Packages\SP_26e9ab85\agent-windows-amd64-891d7ab5.exe
        • Size 11.4MB
        • SHA256 e6678b75a438725092572c469ac4d2076895f92658e2eaccde9848a3d8df5137
        • MD5 SHA1 SHA512 SSDEEP TLSH

        4bd6a3b1d0e0.exe

        • Path C:\Users\Admin\AppData\Local\Packages\d61b7da8\4bd6a3b1d0e0.exe
        • Size 11.7MB
        • SHA256 9d0d6621b4de0137a8fe8c31e7d5f8f1d736739a9f00c77e5e618849ec12c4b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        comp0.exe

        • Path C:\Users\Admin\AppData\Local\Packages\d61b7da8\comp0.exe
        • Size 7.8MB
        • SHA256 cb95404790dff02cc6c9366b4a574602c9c7b0ae141bd4d6e2d84835c311adc7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        comp_manifest.txt

        • Path C:\Users\Admin\AppData\Local\Packages\d61b7da8\comp_manifest.txt
        • Size 68B
        • SHA256 808fd1006400548241760a429bb3dae4fbd74bb684b0435db83e7ecb427d1868
        • MD5 SHA1 SHA512 TLSH

        memory/244-38-0x00007FF750FB0000-0x00007FF753B7D000-memory.dmp

        memory/244-41-0x00007FF750FB0000-0x00007FF753B7D000-memory.dmp

        memory/244-50-0x00007FF750FB0000-0x00007FF753B7D000-memory.dmp

        memory/244-48-0x00007FF750FB0000-0x00007FF753B7D000-memory.dmp

        memory/244-46-0x00007FF750FB0000-0x00007FF753B7D000-memory.dmp

        memory/244-44-0x00007FF750FB0000-0x00007FF753B7D000-memory.dmp

        memory/668-16-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/668-10-0x0000018BCCA20000-0x0000018BCCA70000-memory.dmp

        memory/668-19-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/668-20-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/668-23-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/668-11-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/668-14-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/668-39-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/3276-0-0x00007FFD56DCF000-0x00007FFD56DD0000-memory.dmp

        memory/3276-25-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/3276-2-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/3276-1-0x000002387F630000-0x000002387F63A000-memory.dmp

        memory/3276-6-0x00007FFD56C40000-0x00007FFD575E4000-memory.dmp

        memory/3648-37-0x00007FF64AA90000-0x00007FF64D65D000-memory.dmp

        memory/5584-17-0x000001BEBAC90000-0x000001BEBB462000-memory.dmp