tofsee | 8bd75372f704a8b6eebf3187b250c7a1bd885760d47b9191a4603b08645dc59b

General

Target

2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe
Size

11.7MB
MD5

b0fd4e430712651728eeef94f1698a34
SHA1

e7dc567b45b5aec4a0bf1e9b3377a12ce7456c43
SHA256

8bd75372f704a8b6eebf3187b250c7a1bd885760d47b9191a4603b08645dc59b
SHA512

695dd9016b2c2e7d092f23489988c7ae06986fd6423abd4314c2048754b22ee9fc830560e461d25cb61f4708f98d1d6f19322ea74b529eb849b2e223273ee314
SSDEEP

24576:06WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQp:ZWdLQkH

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
5020	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\uomqailq\ImagePath = "C:\\Windows\\SysWOW64\\uomqailq\\pkogwhjh.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe

Deletes itself 1 IoCs

pid	Process
960	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1348	pkogwhjh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1348 set thread context of 960	1348	pkogwhjh.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4756	sc.exe
4968	sc.exe
1544	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
3708	2256	WerFault.exe	83
1292	1348	WerFault.exe	96

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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pkogwhjh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 4896	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	86
PID 2256 wrote to memory of 4896	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	86
PID 2256 wrote to memory of 4896	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	86
PID 2256 wrote to memory of 2216	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	88
PID 2256 wrote to memory of 2216	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	88
PID 2256 wrote to memory of 2216	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	88
PID 2256 wrote to memory of 4968	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	90
PID 2256 wrote to memory of 4968	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	90
PID 2256 wrote to memory of 4968	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	90
PID 2256 wrote to memory of 1544	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	92
PID 2256 wrote to memory of 1544	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	92
PID 2256 wrote to memory of 1544	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	92
PID 2256 wrote to memory of 4756	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	94
PID 2256 wrote to memory of 4756	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	94
PID 2256 wrote to memory of 4756	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	94
PID 2256 wrote to memory of 5020	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	97
PID 2256 wrote to memory of 5020	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	97
PID 2256 wrote to memory of 5020	2256	2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe	97
PID 1348 wrote to memory of 960	1348	pkogwhjh.exe	102
PID 1348 wrote to memory of 960	1348	pkogwhjh.exe	102
PID 1348 wrote to memory of 960	1348	pkogwhjh.exe	102
PID 1348 wrote to memory of 960	1348	pkogwhjh.exe	102
PID 1348 wrote to memory of 960	1348	pkogwhjh.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uomqailq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pkogwhjh.exe" C:\Windows\SysWOW64\uomqailq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2216
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uomqailq binPath= "C:\Windows\SysWOW64\uomqailq\pkogwhjh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uomqailq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1544
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uomqailq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4756
- 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:5020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 892
  2⤵
  - Program crash
  PID:3708

C:\Windows\SysWOW64\uomqailq\pkogwhjh.exe
C:\Windows\SysWOW64\uomqailq\pkogwhjh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_b0fd4e430712651728eeef94f1698a34_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1348
- 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 1348 -s 512
  2⤵
  - Program crash
  PID:1292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2256 -ip 2256
1⤵
PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1348 -ip 1348
1⤵
PID:3104

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\pkogwhjh.exe

Filesize
10.4MB

MD5
9e025afa8f26bf467650a910fba70629

SHA1
47b514d86e4f74ed31f7974ba4d35bd17989563f

SHA256
63e77bb73142516c982dfca563941fdf036485d49873328029f8c653f5c5b0a5

SHA512
9dd8f26207af7f698857f9aa47873a47ce83754de45c4dfdf821e29f3f1e1995f7cab36b6fcd9ec5a3d323cab04a66d754091a271c3d61870048d892b2931a84

Download Submit
memory/960-16-0x0000000000A70000-0x0000000000A85000-memory.dmp

Filesize
84KB

Download
memory/960-17-0x0000000000A70000-0x0000000000A85000-memory.dmp

Filesize
84KB

Download
memory/960-14-0x0000000000A70000-0x0000000000A85000-memory.dmp

Filesize
84KB

Download
memory/1348-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1348-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1348-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1348-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2256-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2256-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2256-1-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/2256-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2256-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2256-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads