tofsee | 52bc79b83bbd36dc3ff01ac8b59d89fcff153709c38a2fd3230a79e39b208666

Analysis

max time kernel
149s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 18:26

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General

Target

2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe
Size

11.5MB
MD5

a7cf68ead4343052bd4898ee3a507bb6
SHA1

e56c4db1b90a42e099280911a3707037c7ce7dc1
SHA256

52bc79b83bbd36dc3ff01ac8b59d89fcff153709c38a2fd3230a79e39b208666
SHA512

043df7fecb6ac4d8e98893e4f9ece710b120529ffd8f43cbb874dca949b1d8b7187e6201fc55bf9a121e8ffd94456ce0ac211cb04a6441f7617883e1d5c1670f
SSDEEP

196608:MyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXB:RXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXR

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\fpizgoav = "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
1892	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\fpizgoav\ImagePath = "C:\\Windows\\SysWOW64\\fpizgoav\\vppgrart.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
580	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	vppgrart.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 580	3032	vppgrart.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3008	sc.exe
3004	sc.exe
2996	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

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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vppgrart.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2564	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	30
PID 1552 wrote to memory of 2564	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	30
PID 1552 wrote to memory of 2564	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	30
PID 1552 wrote to memory of 2564	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	30
PID 1552 wrote to memory of 2388	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	32
PID 1552 wrote to memory of 2388	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	32
PID 1552 wrote to memory of 2388	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	32
PID 1552 wrote to memory of 2388	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	32
PID 1552 wrote to memory of 3008	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	34
PID 1552 wrote to memory of 3004	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	36
PID 1552 wrote to memory of 3004	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	36
PID 1552 wrote to memory of 3004	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	36
PID 1552 wrote to memory of 3004	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	36
PID 1552 wrote to memory of 2996	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	38
PID 1552 wrote to memory of 2996	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	38
PID 1552 wrote to memory of 2996	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	38
PID 1552 wrote to memory of 2996	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	38
PID 1552 wrote to memory of 1892	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	40
PID 1552 wrote to memory of 1892	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	40
PID 1552 wrote to memory of 1892	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	40
PID 1552 wrote to memory of 1892	1552	2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe	40
PID 3032 wrote to memory of 580	3032	vppgrart.exe	43
PID 3032 wrote to memory of 580	3032	vppgrart.exe	43
PID 3032 wrote to memory of 580	3032	vppgrart.exe	43
PID 3032 wrote to memory of 580	3032	vppgrart.exe	43
PID 3032 wrote to memory of 580	3032	vppgrart.exe	43
PID 3032 wrote to memory of 580	3032	vppgrart.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fpizgoav\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vppgrart.exe" C:\Windows\SysWOW64\fpizgoav\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fpizgoav binPath= "C:\Windows\SysWOW64\fpizgoav\vppgrart.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fpizgoav "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fpizgoav
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- 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:1892

C:\Windows\SysWOW64\fpizgoav\vppgrart.exe
C:\Windows\SysWOW64\fpizgoav\vppgrart.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_a7cf68ead4343052bd4898ee3a507bb6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- 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:580

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\vppgrart.exe

Filesize
13.8MB

MD5
896c402346458786256a5ac709825394

SHA1
bd79ad43556ed349f84482cb31015e96b2dcdc28

SHA256
7811fca6f3f36ca17f5c443dafc9306b65548010aafe554c26eafa222551b530

SHA512
8b3feccce6ce8a9f9412046ef8c61cffa100dfa862f40d30c2d390b82f7f4859f3839856657a21e7daf93a6dc4d6d0c0eb54275a682c119add7332b7e96c2abc

Download Submit
memory/580-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/580-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/580-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/580-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/580-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1552-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1552-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/3032-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads