Overview

overview

10

Static

static

3

2025-03-30...er.exe

windows7-x64

10

2025-03-30...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 09:20

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General

  • Target

    2025-03-30_45a0b1223df4e45c3b25f7f55f2fc20f_amadey_rhadamanthys_smoke-loader.exe

  • Size

    11.9MB

  • MD5

    45a0b1223df4e45c3b25f7f55f2fc20f

  • SHA1

    8dba221e145c95242b33964f42c14abe8e0e79c0

  • SHA256

    aaf99fd53b0e20e1495fa5f8e1fb0bd060a8324d4c6156e4c0b22d8393495bd6

  • SHA512

    0c7abe8ddf8050ebb1c117c58abf7bbfc73678b4126536f9fb9640a550f7cf6f54f74cb76d669033056c29e6daef041ae19cb2b666b901d2faaeb91898d07609

  • SSDEEP

    12288:NkcLVukCo8F8JeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMeMO:NkkYkCoDS

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Signatures

  • Tofsee

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

    trojantofsee
  • Tofsee family
    tofsee
  • Windows security bypass 2 TTPs 1 IoCs
    defense_evasiontrojan
  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 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
  • 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
  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_45a0b1223df4e45c3b25f7f55f2fc20f_amadey_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_45a0b1223df4e45c3b25f7f55f2fc20f_amadey_rhadamanthys_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ihwrxcua\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\segwizol.exe" C:\Windows\SysWOW64\ihwrxcua\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2160
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ihwrxcua binPath= "C:\Windows\SysWOW64\ihwrxcua\segwizol.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_45a0b1223df4e45c3b25f7f55f2fc20f_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2540
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ihwrxcua "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2300
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ihwrxcua
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2164
    • 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:2956
  • C:\Windows\SysWOW64\ihwrxcua\segwizol.exe
    C:\Windows\SysWOW64\ihwrxcua\segwizol.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_45a0b1223df4e45c3b25f7f55f2fc20f_amadey_rhadamanthys_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
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

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

  • C:\Users\Admin\AppData\Local\Temp\segwizol.exe
    Filesize

    11.8MB

    MD5

    f3a639d220713d6985f95b34079a3b21

    SHA1

    9adb5089708f199e096e1f5dc0ae6f26f554472f

    SHA256

    369f354b090e4ac4389c8a82c7f61b21e38ad842417beceb1c2cd32eed0983dc

    SHA512

    39f6397a71a98c6c39b37d55160c4d77dba1acd6a0a886f041e0df3255fa9fdd6e3e0f635d1e45203ad87f3f98c05bd6818db0478186c7a9dfd86966dd29efbd

    Download Submit

  • memory/2412-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2412-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2412-4-0x0000000000400000-0x0000000002C6C000-memory.dmp

    Filesize

    40.4MB

    Download

  • memory/2412-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2412-8-0x0000000000400000-0x0000000002C6C000-memory.dmp

    Filesize

    40.4MB

    Download

  • memory/2892-55-0x00000000001C0000-0x00000000001C7000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2892-45-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2892-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2892-54-0x00000000058A0000-0x0000000005CAB000-memory.dmp

    Filesize

    4.0MB

    Download

  • memory/2892-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2892-20-0x0000000001C30000-0x0000000001E3F000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/2892-27-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-24-0x00000000000E0000-0x00000000000E6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/2892-23-0x0000000001C30000-0x0000000001E3F000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/2892-34-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-47-0x0000000000100000-0x0000000000105000-memory.dmp

    Filesize

    20KB

    Download

  • memory/2892-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2892-51-0x00000000058A0000-0x0000000005CAB000-memory.dmp

    Filesize

    4.0MB

    Download

  • memory/2892-50-0x0000000000100000-0x0000000000105000-memory.dmp

    Filesize

    20KB

    Download

  • memory/2892-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2892-44-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-43-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-42-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-41-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-40-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-39-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-38-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-37-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-36-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-35-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-46-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-33-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-32-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-31-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2892-30-0x00000000000F0000-0x0000000000100000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2920-15-0x0000000000400000-0x0000000002C6C000-memory.dmp

    Filesize

    40.4MB

    Download