Overview

overview

10

Static

static

3

2026-08-12...ee.exe

windows10-2004-x64

10

2026-08-12...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/08/2026, 02:35

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General

  • Target
    2026-08-12_498eb98c44bcaeaca4f37997b78e5f29_amadey_elex_glassworm_njrat_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 10.9MB
  • Sample260812-c3a4dsxcmb
  • SHA256 3282ce9e0699a768a4f6dd21eb9afeda399e86623792da76cd84adf907580edb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutiontofseepersistenceprivilege_escalationtrojan

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.

    trojantofsee
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • 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.

    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
    persistenceexecution
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Stops running service(s) 4 TTPs
    defense_evasionexecution
  • 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.

    persistenceprivilege_escalation
  • 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.

    execution
  • 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.

    discovery
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-12_498eb98c44bcaeaca4f37997b78e5f29_amadey_elex_glassworm_njrat_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_498eb98c44bcaeaca4f37997b78e5f29_amadey_elex_glassworm_njrat_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jsawcdsy\
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1796
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqgthgyc.exe" C:\Windows\SysWOW64\jsawcdsy\
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1996
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create jsawcdsy binPath= "C:\Windows\SysWOW64\jsawcdsy\eqgthgyc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2026-08-12_498eb98c44bcaeaca4f37997b78e5f29_amadey_elex_glassworm_njrat_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4736
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description jsawcdsy "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3364
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start jsawcdsy
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2052
    • 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:3880
  • C:\Windows\SysWOW64\jsawcdsy\eqgthgyc.exe
    C:\Windows\SysWOW64\jsawcdsy\eqgthgyc.exe /d"C:\Users\Admin\AppData\Local\Temp\2026-08-12_498eb98c44bcaeaca4f37997b78e5f29_amadey_elex_glassworm_njrat_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:3260

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Windows Command Shell

        1
        T1059.003

        System Services

        2
        T1569

        Service Execution

        2
        T1569.002

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        4
        T1543

        Windows Service

        4
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        4
        T1543

        Windows Service

        4
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Defense Evasion

        Impair Defenses

        2
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Service Stop

        1
        T1489

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        Downloads

        eqgthgyc.exe
        • Path C:\Users\Admin\AppData\Local\Temp\eqgthgyc.exe
        • Size 10.1MB
        • SHA256 d849fc61c232d5cd1c8f9c30878280e2ef0850951fe5bc20a26c85a3eec703f3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2372-1-0x0000000002480000-0x0000000002580000-memory.dmp
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        memory/2372-2-0x0000000004070000-0x0000000004083000-memory.dmp
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        memory/2372-11-0x0000000004070000-0x0000000004083000-memory.dmp
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        memory/3260-7-0x0000000000510000-0x0000000000525000-memory.dmp
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        memory/3260-12-0x0000000000510000-0x0000000000525000-memory.dmp
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        memory/3260-13-0x0000000000510000-0x0000000000525000-memory.dmp
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