Overview

overview

10

Static

static

10

387d122b20...dc.exe

windows10-2004-x64

10

387d122b20...dc.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 11:16

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General

  • Target
    387d122b204844bd9e7ba9b252288cd13292490970c498982c7de9b58e83eedc.exe
  • Size 10.7MB
  • Sample261027-ndcfpscv4v
  • SHA256 387d122b204844bd9e7ba9b252288cd13292490970c498982c7de9b58e83eedc
  • 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
  • Windows security bypass 2 TTPs 1 IoCs
    defense_evasiontrojan
  • 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
  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 1 IoCs
  • 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\387d122b204844bd9e7ba9b252288cd13292490970c498982c7de9b58e83eedc.exe
    "C:\Users\Admin\AppData\Local\Temp\387d122b204844bd9e7ba9b252288cd13292490970c498982c7de9b58e83eedc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\knmghbiy\
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sqabdzci.exe" C:\Windows\SysWOW64\knmghbiy\
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:6008
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create knmghbiy binPath= "C:\Windows\SysWOW64\knmghbiy\sqabdzci.exe /d\"C:\Users\Admin\AppData\Local\Temp\387d122b204844bd9e7ba9b252288cd13292490970c498982c7de9b58e83eedc.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:6052
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description knmghbiy "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1964
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start knmghbiy
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:252
    • 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:4136
  • C:\Windows\SysWOW64\knmghbiy\sqabdzci.exe
    C:\Windows\SysWOW64\knmghbiy\sqabdzci.exe /d"C:\Users\Admin\AppData\Local\Temp\387d122b204844bd9e7ba9b252288cd13292490970c498982c7de9b58e83eedc.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2116
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3544

    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

          1
          T1569

          Service Execution

          1
          T1569.002

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          3
          T1543

          Windows Service

          3
          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

          3
          T1543

          Windows Service

          3
          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

          Disable or Modify Tools

          1
          T1562.001

          Indicator Removal

          1
          T1070

          File Deletion

          1
          T1070.004

          Modify Registry

          2
          T1112

          Credential Access

          Discovery

          System Information Discovery

          1
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

          sqabdzci.exe
          • Path C:\Users\Admin\AppData\Local\Temp\sqabdzci.exe
          • Size 11.3MB
          • SHA256 57497ca1898d55d91fa149fd3eb910235e325c50903d03960897ef327398cbe8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2116-4-0x00000000005E0000-0x00000000005F5000-memory.dmp
          Download

          memory/2116-7-0x00000000005E0000-0x00000000005F5000-memory.dmp
          Download

          memory/2116-8-0x00000000005E0000-0x00000000005F5000-memory.dmp
          Download

          memory/2116-9-0x00000000005E0000-0x00000000005F5000-memory.dmp
          Download

          memory/2116-10-0x00000000005E0000-0x00000000005F5000-memory.dmp
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