tofsee | 52e2c2485a493bbff724c2b84fff5f827c3a44692fa77ed4fb585d6fca9e6f2b

General

Target

2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe
Size

12.3MB
MD5

b15b8103c063ce7a8849f6cc6d196789
SHA1

9a8519bc5fd5b45e88b354ca47a5405e1b54700c
SHA256

52e2c2485a493bbff724c2b84fff5f827c3a44692fa77ed4fb585d6fca9e6f2b
SHA512

48f579b4844f45ba066b64aa542a40e5abdb0b9ce5ee8c94ac4d5c2942391ca0a021aa6cf6bd3a04da260a6c3a6c3baa2f903043127b72860fb2af634d9d0487
SSDEEP

24576:R6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ3:4WdLQk

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
2328	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\luvttwoj\ImagePath = "C:\\Windows\\SysWOW64\\luvttwoj\\boaxqdis.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe

Deletes itself 1 IoCs

pid	Process
2036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	boaxqdis.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2036	2708	boaxqdis.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
2028	sc.exe
3228	sc.exe
4160	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
1396	4768	WerFault.exe	82
2920	2708	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	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	boaxqdis.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 548	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	83
PID 4768 wrote to memory of 548	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	83
PID 4768 wrote to memory of 548	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	83
PID 4768 wrote to memory of 3612	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	86
PID 4768 wrote to memory of 3612	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	86
PID 4768 wrote to memory of 3612	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	86
PID 4768 wrote to memory of 3228	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	88
PID 4768 wrote to memory of 3228	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	88
PID 4768 wrote to memory of 3228	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	88
PID 4768 wrote to memory of 4160	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	90
PID 4768 wrote to memory of 4160	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	90
PID 4768 wrote to memory of 4160	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	90
PID 4768 wrote to memory of 2028	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	92
PID 4768 wrote to memory of 2028	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	92
PID 4768 wrote to memory of 2028	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	92
PID 4768 wrote to memory of 2328	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	95
PID 4768 wrote to memory of 2328	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	95
PID 4768 wrote to memory of 2328	4768	2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe	95
PID 2708 wrote to memory of 2036	2708	boaxqdis.exe	101
PID 2708 wrote to memory of 2036	2708	boaxqdis.exe	101
PID 2708 wrote to memory of 2036	2708	boaxqdis.exe	101
PID 2708 wrote to memory of 2036	2708	boaxqdis.exe	101
PID 2708 wrote to memory of 2036	2708	boaxqdis.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\luvttwoj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boaxqdis.exe" C:\Windows\SysWOW64\luvttwoj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create luvttwoj binPath= "C:\Windows\SysWOW64\luvttwoj\boaxqdis.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description luvttwoj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start luvttwoj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2028
- 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:2328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1300
  2⤵
  - Program crash
  PID:1396

C:\Windows\SysWOW64\luvttwoj\boaxqdis.exe
C:\Windows\SysWOW64\luvttwoj\boaxqdis.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_b15b8103c063ce7a8849f6cc6d196789_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 512
  2⤵
  - Program crash
  PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4768 -ip 4768
1⤵
PID:4944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2708 -ip 2708
1⤵
PID:4280

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\boaxqdis.exe

Filesize
12.3MB

MD5
6bac8d0885666f3da3bfba06f2096081

SHA1
93c5d6529cb75fe1a2ef12de55dfe77080614109

SHA256
38f21a36009720e523eb1cbd1b102e2b8c06f4a9d193dd3ac44e6035e1338f8c

SHA512
560c628fe173635f17421ad5f2152cb25e4e6a89beac0105fafbc926a7d2c7cf82b0c24628028b54f2cc95ad2b58ca03f2d466c2f08fa11166ba910681cac5a2

Download Submit
memory/2036-14-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/2036-17-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/2036-16-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/2708-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2708-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2708-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2708-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4768-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4768-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4768-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4768-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4768-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4768-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads