Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 11:19

General

  • Target
    2026-08-21_860a1130b629aa742a196ca3e9fdb152_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_tofsee.exe
  • Size 10.1MB
  • Sample260822-new7hatdnf
  • SHA256 99a18bc7f1d526a846b0730a0f3fee8cf77c7578b05f9f70bef023c86e3b55f2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Signatures

  • Family: Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Creates new service(s) 2 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Stops running service(s) 4 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_860a1130b629aa742a196ca3e9fdb152_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_860a1130b629aa742a196ca3e9fdb152_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_tofsee.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kisrepox\
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ushpiytp.exe" C:\Windows\SysWOW64\kisrepox\
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2212
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create kisrepox binPath= "C:\Windows\SysWOW64\kisrepox\ushpiytp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-21_860a1130b629aa742a196ca3e9fdb152_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2476
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description kisrepox "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3080
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start kisrepox
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4604
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1196
      2⤵
      • Program crash
      PID:4896
  • C:\Windows\SysWOW64\kisrepox\ushpiytp.exe
    C:\Windows\SysWOW64\kisrepox\ushpiytp.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-21_860a1130b629aa742a196ca3e9fdb152_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_tofsee.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 512
      2⤵
      • Program crash
      PID:3636
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4872 -ip 4872
    1⤵
      PID:2772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1348 -ip 1348
      1⤵
        PID:460

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            ushpiytp.exe

            • Path C:\Users\Admin\AppData\Local\Temp\ushpiytp.exe
            • Size 10.3MB
            • SHA256 3e15cf309ef692156a0993a80e3ed98ba883b450e3f1f8afa8d9f30abb5596e6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1208-10-0x0000000000440000-0x0000000000455000-memory.dmp

            memory/1208-12-0x0000000000440000-0x0000000000455000-memory.dmp

            memory/1208-13-0x0000000000440000-0x0000000000455000-memory.dmp

            memory/1348-9-0x00000000008C0000-0x00000000009C0000-memory.dmp

            memory/4872-1-0x0000000000820000-0x0000000000920000-memory.dmp

            memory/4872-2-0x0000000000730000-0x0000000000743000-memory.dmp

            memory/4872-8-0x0000000000730000-0x0000000000743000-memory.dmp