tofsee | f80152d12c33926f680f4e07bb29987471b83ae920bed66f3be5a831658ca711

General

Target

2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe
Size

13.7MB
MD5

2d4066cc99d8ca925b825c0991dad4a8
SHA1

646df71080b521a8738bc52143f68107e4ec1851
SHA256

f80152d12c33926f680f4e07bb29987471b83ae920bed66f3be5a831658ca711
SHA512

4bf737ce67f34e0864c746f36051ccac4c7ae76b6bfb8c1fb639755f6c2f277f6992c44fa7e4190fdb7d92b319e4e53a07ae9f88af215bf66bc66f913507ea34
SSDEEP

6144:oLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQo:9TYe+D2jFu+iZoUFhAz

Score

10^/10

tofsee discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1712	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\twbywwqk\ImagePath = "C:\\Windows\\SysWOW64\\twbywwqk\\ilrlalwc.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe

Deletes itself 1 IoCs

pid	Process
2384	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	ilrlalwc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1636 set thread context of 2384	1636	ilrlalwc.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
3740	sc.exe
3788	sc.exe
4008	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
244	1636	WerFault.exe	92
2036	2568	WerFault.exe	81

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.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	ilrlalwc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2764	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	82
PID 2568 wrote to memory of 2764	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	82
PID 2568 wrote to memory of 2764	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	82
PID 2568 wrote to memory of 3304	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	84
PID 2568 wrote to memory of 3304	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	84
PID 2568 wrote to memory of 3304	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	84
PID 2568 wrote to memory of 3740	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	86
PID 2568 wrote to memory of 3740	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	86
PID 2568 wrote to memory of 3740	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	86
PID 2568 wrote to memory of 3788	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	88
PID 2568 wrote to memory of 3788	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	88
PID 2568 wrote to memory of 3788	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	88
PID 2568 wrote to memory of 4008	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	90
PID 2568 wrote to memory of 4008	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	90
PID 2568 wrote to memory of 4008	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	90
PID 2568 wrote to memory of 1712	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	93
PID 2568 wrote to memory of 1712	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	93
PID 2568 wrote to memory of 1712	2568	2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe	93
PID 1636 wrote to memory of 2384	1636	ilrlalwc.exe	97
PID 1636 wrote to memory of 2384	1636	ilrlalwc.exe	97
PID 1636 wrote to memory of 2384	1636	ilrlalwc.exe	97
PID 1636 wrote to memory of 2384	1636	ilrlalwc.exe	97
PID 1636 wrote to memory of 2384	1636	ilrlalwc.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\twbywwqk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ilrlalwc.exe" C:\Windows\SysWOW64\twbywwqk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create twbywwqk binPath= "C:\Windows\SysWOW64\twbywwqk\ilrlalwc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description twbywwqk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start twbywwqk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4008
- 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:1712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1296
  2⤵
  - Program crash
  PID:2036

C:\Windows\SysWOW64\twbywwqk\ilrlalwc.exe
C:\Windows\SysWOW64\twbywwqk\ilrlalwc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-11_2d4066cc99d8ca925b825c0991dad4a8_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 512
  2⤵
  - Program crash
  PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2568 -ip 2568
1⤵
PID:1744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1636 -ip 1636
1⤵
PID:3420

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

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Downloads

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

Filesize
14.1MB

MD5
7e4b71ad5aa7360eaf52f6853f0eb978

SHA1
26572ee9d0bce30bd72b83c6982572ea9291a71c

SHA256
8caac91256b008f7fd8f54b5fb20a9d425cd204a1772649e3c27f0b2ddf02b1d

SHA512
4ce1cc015d8dbc6bc4d3cb2c95756e5ebf45b06315bf39fa50405e7b25ed2172b417c8d059079b22eb3c0d5959e5e77aaab8df201486b2c7578caebe77e11684

Download Submit
memory/1636-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1636-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1636-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1636-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2384-11-0x0000000000F10000-0x0000000000F25000-memory.dmp

Filesize
84KB

Download
memory/2384-14-0x0000000000F10000-0x0000000000F25000-memory.dmp

Filesize
84KB

Download
memory/2384-20-0x0000000000F10000-0x0000000000F25000-memory.dmp

Filesize
84KB

Download
memory/2384-21-0x0000000000F10000-0x0000000000F25000-memory.dmp

Filesize
84KB

Download
memory/2384-22-0x0000000000F10000-0x0000000000F25000-memory.dmp

Filesize
84KB

Download
memory/2568-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

Filesize
1024KB

Download
memory/2568-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-2-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/2568-18-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/2568-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2568-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads