tofsee | d4f6e6c039c0b9b44b8dd3c4b62384ec1967f8e11298bcd7f2fb3beb4a8fb1bd

General

Target

2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe
Size

14.1MB
MD5

7af22b3753cd6a2fa080aa653cf75653
SHA1

f1ab71458a9f0f812c7fab6d5a90d925710098d3
SHA256

d4f6e6c039c0b9b44b8dd3c4b62384ec1967f8e11298bcd7f2fb3beb4a8fb1bd
SHA512

ee484afc24d342312e91cfff965a8ff90adc34dba0cde231a492b907fd704c1fc43544d613c6d0d66ce256541c158871494e41e7c95aea7ce353c132ccb327be
SSDEEP

24576:z6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQw:+WdLQkC

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
1996	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\mxfuckha\ImagePath = "C:\\Windows\\SysWOW64\\mxfuckha\\kmhngtd.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe

Deletes itself 1 IoCs

pid	Process
1472	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	kmhngtd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 1472	2748	kmhngtd.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4988	sc.exe
2872	sc.exe
5004	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
2664	3292	WerFault.exe	81
936	2748	WerFault.exe	92

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	kmhngtd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe
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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 2548	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	82
PID 3292 wrote to memory of 2548	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	82
PID 3292 wrote to memory of 2548	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	82
PID 3292 wrote to memory of 4556	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	84
PID 3292 wrote to memory of 4556	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	84
PID 3292 wrote to memory of 4556	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	84
PID 3292 wrote to memory of 4988	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	86
PID 3292 wrote to memory of 4988	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	86
PID 3292 wrote to memory of 4988	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	86
PID 3292 wrote to memory of 2872	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	88
PID 3292 wrote to memory of 2872	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	88
PID 3292 wrote to memory of 2872	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	88
PID 3292 wrote to memory of 5004	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	90
PID 3292 wrote to memory of 5004	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	90
PID 3292 wrote to memory of 5004	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	90
PID 3292 wrote to memory of 1996	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	93
PID 3292 wrote to memory of 1996	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	93
PID 3292 wrote to memory of 1996	3292	2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe	93
PID 2748 wrote to memory of 1472	2748	kmhngtd.exe	98
PID 2748 wrote to memory of 1472	2748	kmhngtd.exe	98
PID 2748 wrote to memory of 1472	2748	kmhngtd.exe	98
PID 2748 wrote to memory of 1472	2748	kmhngtd.exe	98
PID 2748 wrote to memory of 1472	2748	kmhngtd.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mxfuckha\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kmhngtd.exe" C:\Windows\SysWOW64\mxfuckha\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mxfuckha binPath= "C:\Windows\SysWOW64\mxfuckha\kmhngtd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mxfuckha "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mxfuckha
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5004
- 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:1996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1036
  2⤵
  - Program crash
  PID:2664

C:\Windows\SysWOW64\mxfuckha\kmhngtd.exe
C:\Windows\SysWOW64\mxfuckha\kmhngtd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_7af22b3753cd6a2fa080aa653cf75653_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 512
  2⤵
  - Program crash
  PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3292 -ip 3292
1⤵
PID:184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2748 -ip 2748
1⤵
PID:4612

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\kmhngtd.exe

Filesize
13.2MB

MD5
52375b9191dec6cc7c03140f5e1fb48a

SHA1
a72e2a2743c26b5b8b1bb7942514f4cc8c8c1d37

SHA256
02bd5a758c497fba9f9d0fdb5b8c5f4bf39bb4be55c3f2db8f72e2f4d512792c

SHA512
2720035f07363b83c33b3548851f3fa99fcf943766dd6125d8689175acf3ca62828018b1b02f25afe8bb38bd30ad43d9687effb713201902d3030976b3544ff7

Download Submit
memory/1472-14-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/1472-17-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/1472-16-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2748-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2748-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2748-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2748-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3292-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3292-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3292-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3292-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3292-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3292-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads