tofsee | 18961d594d2fc621dc82f9f3af5e5e92ff86b7043a1808c90566d406b357ffba

Analysis

max time kernel
142s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 03:01

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General

Target

2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe
Size

12.5MB
MD5

33dc12075f473b3166c8833cc3b633a3
SHA1

a8125c7aedaef0fce311103670984850b397733a
SHA256

18961d594d2fc621dc82f9f3af5e5e92ff86b7043a1808c90566d406b357ffba
SHA512

f5599030895c4c87c04a55890b2a9fcd1c75fb296850af67cd3070b8167b6de9ace2c7fb6e3fbbaf9183aac2c6073878886db75b23f245f0fa1c523074e25b01
SSDEEP

393216:CXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\mxmzqmcc = "0"	svchost.exe

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
2672	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\mxmzqmcc\ImagePath = "C:\\Windows\\SysWOW64\\mxmzqmcc\\npitaiwm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2604	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	npitaiwm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 2604	2768	npitaiwm.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2924	sc.exe
2852	sc.exe
3040	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	npitaiwm.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	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 30 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2960	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	29
PID 3000 wrote to memory of 2960	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	29
PID 3000 wrote to memory of 2960	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	29
PID 3000 wrote to memory of 2960	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	29
PID 3000 wrote to memory of 2976	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	31
PID 3000 wrote to memory of 2976	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	31
PID 3000 wrote to memory of 2976	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	31
PID 3000 wrote to memory of 2976	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	31
PID 3000 wrote to memory of 2852	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	33
PID 3000 wrote to memory of 2852	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	33
PID 3000 wrote to memory of 2852	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	33
PID 3000 wrote to memory of 2852	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	33
PID 3000 wrote to memory of 3040	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	35
PID 3000 wrote to memory of 3040	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	35
PID 3000 wrote to memory of 3040	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	35
PID 3000 wrote to memory of 3040	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	35
PID 3000 wrote to memory of 2924	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	37
PID 3000 wrote to memory of 2924	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	37
PID 3000 wrote to memory of 2924	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	37
PID 3000 wrote to memory of 2924	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	37
PID 3000 wrote to memory of 2672	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	39
PID 3000 wrote to memory of 2672	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	39
PID 3000 wrote to memory of 2672	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	39
PID 3000 wrote to memory of 2672	3000	2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe	39
PID 2768 wrote to memory of 2604	2768	npitaiwm.exe	42
PID 2768 wrote to memory of 2604	2768	npitaiwm.exe	42
PID 2768 wrote to memory of 2604	2768	npitaiwm.exe	42
PID 2768 wrote to memory of 2604	2768	npitaiwm.exe	42
PID 2768 wrote to memory of 2604	2768	npitaiwm.exe	42
PID 2768 wrote to memory of 2604	2768	npitaiwm.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mxmzqmcc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\npitaiwm.exe" C:\Windows\SysWOW64\mxmzqmcc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mxmzqmcc binPath= "C:\Windows\SysWOW64\mxmzqmcc\npitaiwm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mxmzqmcc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mxmzqmcc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- 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:2672

C:\Windows\SysWOW64\mxmzqmcc\npitaiwm.exe
C:\Windows\SysWOW64\mxmzqmcc\npitaiwm.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_33dc12075f473b3166c8833cc3b633a3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.5MB

MD5
4c10a0e345e8808fc2ff9a25c590a34a

SHA1
c2831b0f2ff900245e0896508d937f51d9683320

SHA256
2660543a9e16478ec15a63b15b36a5d0a705d6436e3331b1b7cbf295a9755347

SHA512
ee62eabab1619df784770ccdf521d320fa0f6ffcefb15bde1e1f4d653a0f1cb9dc5a3bb7a2aaf2502eff32c59bbcba5c4ba89ce4638548ae49426e070d8204f9

Download Submit
memory/2604-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2768-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3000-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3000-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3000-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3000-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3000-8-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3000-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3000-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads