tofsee | e011e16fb9e3f6f6334dfea2072bf5d9dbc1e37ebd683e580025baf5bf11719a

General

Target

2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe
Size

13.9MB
MD5

912c1dae45e7db0d5261b748d9c5bcb0
SHA1

1f0c9a788abb66e516820b2ba3293e21cafaf8db
SHA256

e011e16fb9e3f6f6334dfea2072bf5d9dbc1e37ebd683e580025baf5bf11719a
SHA512

a2b5aefba591293da7fbabcbe66e06daca0ddd1bde106c3998e0ec8dba9de0933f857a869f5e09d316e159f88f90f3f8403c5e0aeda8e15d5f0ff95962bb4b61
SSDEEP

6144:sLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ:BTYe+D2jFu+iZoUFhAz

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
3540	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\ghtvknou\ImagePath = "C:\\Windows\\SysWOW64\\ghtvknou\\lniohue.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe

Deletes itself 1 IoCs

pid	Process
960	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3104	lniohue.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3104 set thread context of 960	3104	lniohue.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4088	sc.exe
1196	sc.exe
3948	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4648	4740	WerFault.exe	82
2160	3104	WerFault.exe	94

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lniohue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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 4740 wrote to memory of 224	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	83
PID 4740 wrote to memory of 224	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	83
PID 4740 wrote to memory of 224	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	83
PID 4740 wrote to memory of 3908	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	85
PID 4740 wrote to memory of 3908	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	85
PID 4740 wrote to memory of 3908	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	85
PID 4740 wrote to memory of 4088	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	87
PID 4740 wrote to memory of 4088	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	87
PID 4740 wrote to memory of 4088	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	87
PID 4740 wrote to memory of 1196	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	89
PID 4740 wrote to memory of 1196	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	89
PID 4740 wrote to memory of 1196	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	89
PID 4740 wrote to memory of 3948	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	92
PID 4740 wrote to memory of 3948	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	92
PID 4740 wrote to memory of 3948	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	92
PID 4740 wrote to memory of 3540	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	95
PID 4740 wrote to memory of 3540	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	95
PID 4740 wrote to memory of 3540	4740	2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe	95
PID 3104 wrote to memory of 960	3104	lniohue.exe	101
PID 3104 wrote to memory of 960	3104	lniohue.exe	101
PID 3104 wrote to memory of 960	3104	lniohue.exe	101
PID 3104 wrote to memory of 960	3104	lniohue.exe	101
PID 3104 wrote to memory of 960	3104	lniohue.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ghtvknou\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lniohue.exe" C:\Windows\SysWOW64\ghtvknou\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ghtvknou binPath= "C:\Windows\SysWOW64\ghtvknou\lniohue.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ghtvknou "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ghtvknou
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3948
- 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:3540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 676
  2⤵
  - Program crash
  PID:4648

C:\Windows\SysWOW64\ghtvknou\lniohue.exe
C:\Windows\SysWOW64\ghtvknou\lniohue.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_912c1dae45e7db0d5261b748d9c5bcb0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 508
  2⤵
  - Program crash
  PID:2160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4740 -ip 4740
1⤵
PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3104 -ip 3104
1⤵
PID:4196

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\lniohue.exe

Filesize
12.7MB

MD5
1bcc802b58d0820ca0e4c86fb45c075b

SHA1
9b1fa1a7692905f3a7119ddfcfc9ddd058dfdb7f

SHA256
ed95f5d9f03b46c5194228787ebbecf8ddafefb978f96071914417032b88ddb2

SHA512
198c0cd86d6ea64c8c91b3f250e4f3e75b4b782c72254731778f9cf20f28b46bc57b0bae3fdfccf8568a41fb9513fcbc51fa7e0fe9fda40449c07f5eb0602073

Download Submit
memory/960-14-0x0000000000A30000-0x0000000000A45000-memory.dmp

Filesize
84KB

Download
memory/960-17-0x0000000000A30000-0x0000000000A45000-memory.dmp

Filesize
84KB

Download
memory/960-16-0x0000000000A30000-0x0000000000A45000-memory.dmp

Filesize
84KB

Download
memory/3104-12-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3104-11-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3104-13-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3104-18-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4740-8-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/4740-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4740-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/4740-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4740-2-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads