tofsee | db59034e8634366a2f6b7f8a6c91399beb14ad5be0f12e309de7e805963b9b3c

General

Target

2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe
Size

11.4MB
MD5

07136c6c2b2c098e614be421dc1f638b
SHA1

92af92900994707b8b6d4e9ef06cd0011cb01452
SHA256

db59034e8634366a2f6b7f8a6c91399beb14ad5be0f12e309de7e805963b9b3c
SHA512

46b59ba652e164599319f6cfa67f5ac5dca618fde602bd9de8dc80626275e9997ae3c5ab89b406db67aa68fa9f501445b6e24b065fda7dff03586594481aa979
SSDEEP

24576:l6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQw:kWdLQk

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
1352	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\lnsradqh\ImagePath = "C:\\Windows\\SysWOW64\\lnsradqh\\fioixitz.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe

Deletes itself 1 IoCs

pid	Process
2172	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4708	fioixitz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4708 set thread context of 2172	4708	fioixitz.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3496	sc.exe
2268	sc.exe
624	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
1336	2836	WerFault.exe	81
1456	4708	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	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.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	fioixitz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 3684	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	82
PID 2836 wrote to memory of 3684	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	82
PID 2836 wrote to memory of 3684	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	82
PID 2836 wrote to memory of 4324	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	84
PID 2836 wrote to memory of 4324	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	84
PID 2836 wrote to memory of 4324	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	84
PID 2836 wrote to memory of 3496	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	86
PID 2836 wrote to memory of 3496	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	86
PID 2836 wrote to memory of 3496	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	86
PID 2836 wrote to memory of 2268	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	88
PID 2836 wrote to memory of 2268	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	88
PID 2836 wrote to memory of 2268	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	88
PID 2836 wrote to memory of 624	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	90
PID 2836 wrote to memory of 624	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	90
PID 2836 wrote to memory of 624	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	90
PID 2836 wrote to memory of 1352	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	93
PID 2836 wrote to memory of 1352	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	93
PID 2836 wrote to memory of 1352	2836	2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe	93
PID 4708 wrote to memory of 2172	4708	fioixitz.exe	98
PID 4708 wrote to memory of 2172	4708	fioixitz.exe	98
PID 4708 wrote to memory of 2172	4708	fioixitz.exe	98
PID 4708 wrote to memory of 2172	4708	fioixitz.exe	98
PID 4708 wrote to memory of 2172	4708	fioixitz.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lnsradqh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fioixitz.exe" C:\Windows\SysWOW64\lnsradqh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lnsradqh binPath= "C:\Windows\SysWOW64\lnsradqh\fioixitz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lnsradqh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lnsradqh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:624
- 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:1352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1180
  2⤵
  - Program crash
  PID:1336

C:\Windows\SysWOW64\lnsradqh\fioixitz.exe
C:\Windows\SysWOW64\lnsradqh\fioixitz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_07136c6c2b2c098e614be421dc1f638b_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 512
  2⤵
  - Program crash
  PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2836 -ip 2836
1⤵
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4708 -ip 4708
1⤵
PID:3116

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

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Downloads

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

Filesize
12.5MB

MD5
4eaec09f2a50325a7658ead02f87106e

SHA1
000311d6abade6617dbea993a948ac967badc9c4

SHA256
40c7849b4f758d5e09d94423a2306085a7f44aa941ce1742c4c2995b75eb864d

SHA512
dcc43afff9f7d3eb013110be3160d0a278465807b3dd9af1fab11a2e997f8b1173b386dab65a96d8c5a8814f81fa5af8c4be389d4d563a05f884c4ec689d1954

Download Submit
memory/2172-14-0x0000000000A80000-0x0000000000A95000-memory.dmp

Filesize
84KB

Download
memory/2172-17-0x0000000000A80000-0x0000000000A95000-memory.dmp

Filesize
84KB

Download
memory/2172-16-0x0000000000A80000-0x0000000000A95000-memory.dmp

Filesize
84KB

Download
memory/2836-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2836-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2836-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/2836-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2836-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2836-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4708-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4708-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4708-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4708-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads