tofsee | 91c46b2cafc037c13f3cc3f28b09af4abf9db3b1b5793a0d3a89d42b2a44f2ea

General

Target

2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe
Size

12.7MB
MD5

3984de03446668e2855f8a137422130e
SHA1

86477a07c4adb55a4f1cd6bfcdff69af4784c0d7
SHA256

91c46b2cafc037c13f3cc3f28b09af4abf9db3b1b5793a0d3a89d42b2a44f2ea
SHA512

e87d0d6f7fbeef21eeacb75a57407169f70425f0272efc92dd8ca84167372f537414cb7f594cc363ffa224d57d247d1ee0640d6a43ddb442d4e829852a4a0d13
SSDEEP

12288:TQy+PKMBWNKZ8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8Z8L:TQy+Pcy

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4276	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lpmqubue\ImagePath = "C:\\Windows\\SysWOW64\\lpmqubue\\embfsqzz.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe

Deletes itself 1 IoCs

pid	Process
4448	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3396	embfsqzz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3396 set thread context of 4448	3396	embfsqzz.exe	118

Launches sc.exe 3 IoCs

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

pid	Process
4932	sc.exe
2976	sc.exe
4336	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4388	4628	WerFault.exe	88
3884	3396	WerFault.exe	112

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	embfsqzz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4912	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	102
PID 4628 wrote to memory of 4912	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	102
PID 4628 wrote to memory of 4912	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	102
PID 4628 wrote to memory of 1988	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	104
PID 4628 wrote to memory of 1988	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	104
PID 4628 wrote to memory of 1988	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	104
PID 4628 wrote to memory of 4336	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	106
PID 4628 wrote to memory of 4336	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	106
PID 4628 wrote to memory of 4336	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	106
PID 4628 wrote to memory of 4932	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	108
PID 4628 wrote to memory of 4932	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	108
PID 4628 wrote to memory of 4932	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	108
PID 4628 wrote to memory of 2976	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	110
PID 4628 wrote to memory of 2976	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	110
PID 4628 wrote to memory of 2976	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	110
PID 4628 wrote to memory of 4276	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	113
PID 4628 wrote to memory of 4276	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	113
PID 4628 wrote to memory of 4276	4628	2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe	113
PID 3396 wrote to memory of 4448	3396	embfsqzz.exe	118
PID 3396 wrote to memory of 4448	3396	embfsqzz.exe	118
PID 3396 wrote to memory of 4448	3396	embfsqzz.exe	118
PID 3396 wrote to memory of 4448	3396	embfsqzz.exe	118
PID 3396 wrote to memory of 4448	3396	embfsqzz.exe	118

C:\Users\Admin\AppData\Local\Temp\2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lpmqubue\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\embfsqzz.exe" C:\Windows\SysWOW64\lpmqubue\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lpmqubue binPath= "C:\Windows\SysWOW64\lpmqubue\embfsqzz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4336
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lpmqubue "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lpmqubue
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2976
- 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:4276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 1204
  2⤵
  - Program crash
  PID:4388

C:\Windows\SysWOW64\lpmqubue\embfsqzz.exe
C:\Windows\SysWOW64\lpmqubue\embfsqzz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_3984de03446668e2855f8a137422130e_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 512
  2⤵
  - Program crash
  PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4628 -ip 4628
1⤵
PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3396 -ip 3396
1⤵
PID:4460

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

1

T1562

Disable or Modify System Firewall

Modify Registry

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\embfsqzz.exe

Filesize
11.1MB

MD5
9a1f2ff4399e77e74eec9498abae9676

SHA1
46cd6a1d199c27fe86dec5f747c3644baaeba82b

SHA256
9ec8ab9f899e563acd870cfcd4bef9482e30b9ef7e12d3aa5263e6d1951ba9d0

SHA512
0ff4d7deb99664e583fe7b2c730c61f5628358355cce4f41780a3db0a74cd704555986af67a4169a2a275de0293820dd11b144f25b611ab0c026b09d86b323c8

Download Submit
memory/3396-11-0x0000000000400000-0x0000000000862000-memory.dmp

Filesize
4.4MB

Download
memory/3396-17-0x0000000000400000-0x0000000000862000-memory.dmp

Filesize
4.4MB

Download
memory/3396-12-0x0000000000400000-0x0000000000862000-memory.dmp

Filesize
4.4MB

Download
memory/4448-13-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/4448-15-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/4448-16-0x0000000000E00000-0x0000000000E15000-memory.dmp

Filesize
84KB

Download
memory/4628-7-0x0000000000400000-0x0000000000862000-memory.dmp

Filesize
4.4MB

Download
memory/4628-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4628-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4628-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4628-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4628-1-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads