tofsee | 6f22c8dc2465a76e36a0c03c271309309c86d009dfe2d5158229a52c9ecd8401

General

Target

2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe
Size

10.8MB
MD5

4693eebab2f0d0905d6bc962b3243ff7
SHA1

e516672eddb46d806493e9c917d5a30f52603cc6
SHA256

6f22c8dc2465a76e36a0c03c271309309c86d009dfe2d5158229a52c9ecd8401
SHA512

e91d1b2c07a8aaf6743addd740ecb9a662df8a037763c02fac2ed84e778609c43981acd7a3190e7b3702c0ec1bbee4bf87c0faecfb02937f519f4f501881f2ab
SSDEEP

196608:pyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:kXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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
4792	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\nlqncmgi\ImagePath = "C:\\Windows\\SysWOW64\\nlqncmgi\\fwecmhoc.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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe

Deletes itself 1 IoCs

pid	Process
4396	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	fwecmhoc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 4396	2976	fwecmhoc.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
3492	sc.exe
320	sc.exe
2904	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

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	svchost.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	fwecmhoc.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	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.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 3516 wrote to memory of 1056	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	86
PID 3516 wrote to memory of 1056	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	86
PID 3516 wrote to memory of 1056	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	86
PID 3516 wrote to memory of 4824	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	88
PID 3516 wrote to memory of 4824	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	88
PID 3516 wrote to memory of 4824	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	88
PID 3516 wrote to memory of 3492	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	90
PID 3516 wrote to memory of 3492	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	90
PID 3516 wrote to memory of 3492	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	90
PID 3516 wrote to memory of 320	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	92
PID 3516 wrote to memory of 320	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	92
PID 3516 wrote to memory of 320	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	92
PID 3516 wrote to memory of 2904	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	94
PID 3516 wrote to memory of 2904	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	94
PID 3516 wrote to memory of 2904	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	94
PID 2976 wrote to memory of 4396	2976	fwecmhoc.exe	97
PID 2976 wrote to memory of 4396	2976	fwecmhoc.exe	97
PID 2976 wrote to memory of 4396	2976	fwecmhoc.exe	97
PID 2976 wrote to memory of 4396	2976	fwecmhoc.exe	97
PID 2976 wrote to memory of 4396	2976	fwecmhoc.exe	97
PID 3516 wrote to memory of 4792	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	98
PID 3516 wrote to memory of 4792	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	98
PID 3516 wrote to memory of 4792	3516	2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nlqncmgi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fwecmhoc.exe" C:\Windows\SysWOW64\nlqncmgi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nlqncmgi binPath= "C:\Windows\SysWOW64\nlqncmgi\fwecmhoc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nlqncmgi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nlqncmgi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- 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:4792

C:\Windows\SysWOW64\nlqncmgi\fwecmhoc.exe
C:\Windows\SysWOW64\nlqncmgi\fwecmhoc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_4693eebab2f0d0905d6bc962b3243ff7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4396

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\fwecmhoc.exe

Filesize
11.6MB

MD5
8df264fedf3dd6f211f897aa6d897c8f

SHA1
b96a4f0027c0f4c6a21629506194520860c2a041

SHA256
cd40561af6f6d28ef82ab7ec5d49add6453984a17b17a600a88d2d24e79b060e

SHA512
a6768330663f09c202907c4662b06a905cb5b6a91b9cc3aa385f508ea5bfc80898a703052299b247949caf8ee352f742d485a5d3ed177cfe8135f55a6c50b6f4

Download Submit
memory/2976-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2976-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2976-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2976-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3516-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3516-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3516-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/3516-18-0x0000000000680000-0x0000000000693000-memory.dmp

Filesize
76KB

Download
memory/3516-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3516-2-0x0000000000680000-0x0000000000693000-memory.dmp

Filesize
76KB

Download
memory/4396-11-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4396-14-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4396-20-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4396-21-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4396-22-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads