tofsee | 92150054297a0b1e11bee1acc01694695ed0ebfb238b1e22ed9b808ac2c4319c

General

Target

2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe
Size

13.2MB
MD5

3aa787c33abf01521eb7852f9f7c6b76
SHA1

c2349510cb5e9508f4a95dc1e73d54cdc817cf04
SHA256

92150054297a0b1e11bee1acc01694695ed0ebfb238b1e22ed9b808ac2c4319c
SHA512

0a6cbe6dbe83bcd3e0e4e76c3aba370d64b3a278b49e194d1d55db929ffe28f3d8d09547e167367f6c476e825711cc5a16480b395d0fa4b51cb8c963d444ca50
SSDEEP

6144:QLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQs:FTYe+D2jFu+iZoUFhAzX

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
1540	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\qiofpzdi\ImagePath = "C:\\Windows\\SysWOW64\\qiofpzdi\\nwqvnmhd.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3680	nwqvnmhd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3680 set thread context of 2728	3680	nwqvnmhd.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4932	sc.exe
4388	sc.exe
3760	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
2784	4812	WerFault.exe	82
4496	3680	WerFault.exe	99

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	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwqvnmhd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 1712	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	86
PID 4812 wrote to memory of 1712	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	86
PID 4812 wrote to memory of 1712	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	86
PID 4812 wrote to memory of 116	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	88
PID 4812 wrote to memory of 116	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	88
PID 4812 wrote to memory of 116	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	88
PID 4812 wrote to memory of 4932	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	90
PID 4812 wrote to memory of 4932	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	90
PID 4812 wrote to memory of 4932	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	90
PID 4812 wrote to memory of 4388	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	94
PID 4812 wrote to memory of 4388	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	94
PID 4812 wrote to memory of 4388	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	94
PID 4812 wrote to memory of 3760	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	97
PID 4812 wrote to memory of 3760	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	97
PID 4812 wrote to memory of 3760	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	97
PID 4812 wrote to memory of 1540	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	100
PID 4812 wrote to memory of 1540	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	100
PID 4812 wrote to memory of 1540	4812	2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe	100
PID 3680 wrote to memory of 2728	3680	nwqvnmhd.exe	105
PID 3680 wrote to memory of 2728	3680	nwqvnmhd.exe	105
PID 3680 wrote to memory of 2728	3680	nwqvnmhd.exe	105
PID 3680 wrote to memory of 2728	3680	nwqvnmhd.exe	105
PID 3680 wrote to memory of 2728	3680	nwqvnmhd.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qiofpzdi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nwqvnmhd.exe" C:\Windows\SysWOW64\qiofpzdi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qiofpzdi binPath= "C:\Windows\SysWOW64\qiofpzdi\nwqvnmhd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qiofpzdi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4388
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qiofpzdi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3760
- 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:1540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1168
  2⤵
  - Program crash
  PID:2784

C:\Windows\SysWOW64\qiofpzdi\nwqvnmhd.exe
C:\Windows\SysWOW64\qiofpzdi\nwqvnmhd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3aa787c33abf01521eb7852f9f7c6b76_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 512
  2⤵
  - Program crash
  PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4812 -ip 4812
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3680 -ip 3680
1⤵
PID:1528

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\nwqvnmhd.exe

Filesize
11.5MB

MD5
02295830e2ba18cfa7007f6cf06d29f9

SHA1
953518a2468055eb821acf0b5fda093755c878ce

SHA256
84b68dfa7af61adce46f1a562c15fdb6946918178cb232647cf1e27f99f80965

SHA512
a58ebf7858082c11c7b32bae6f81595cdd91ccf185cf1bc381c604fa120a7db3c3cdee019c30ed8d07c925ddc7be916ca4c176d93081f5c19313a1c274cd34d1

Download Submit
memory/2728-15-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2728-13-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2728-16-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3680-12-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3680-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3680-18-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4812-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4812-2-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/4812-10-0x00000000005E0000-0x00000000005F3000-memory.dmp

Filesize
76KB

Download
memory/4812-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/4812-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4812-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads