tofsee | 7aa6819ead4765d06745e1033f7357a08548aa0f7a9aa1601c6707a3e1289b31

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 09:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe
Size

11.2MB
MD5

337a81b8a925f371beda4458d0403d00
SHA1

44611868d20d1fb4f280e9cd57188e17d392c72f
SHA256

7aa6819ead4765d06745e1033f7357a08548aa0f7a9aa1601c6707a3e1289b31
SHA512

ff42df78d4bc6c4821c822de6ad399d7062545bb7d2f6b8639f8643d1392c752b1e7b07358cf97a18fb9c7573d78d60074b4581d5d498c41d45f3ea47648054d
SSDEEP

196608:0yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX4:JXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXo

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\ozxvpfgh = "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
1632	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\ozxvpfgh\ImagePath = "C:\\Windows\\SysWOW64\\ozxvpfgh\\xwkmaxyq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2628	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	xwkmaxyq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 2628	2224	xwkmaxyq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2772	sc.exe
2712	sc.exe
2920	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	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xwkmaxyq.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2708	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	30
PID 2168 wrote to memory of 2708	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	30
PID 2168 wrote to memory of 2708	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	30
PID 2168 wrote to memory of 2708	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	30
PID 2168 wrote to memory of 2780	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	32
PID 2168 wrote to memory of 2780	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	32
PID 2168 wrote to memory of 2780	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	32
PID 2168 wrote to memory of 2780	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	32
PID 2168 wrote to memory of 2772	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	34
PID 2168 wrote to memory of 2772	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	34
PID 2168 wrote to memory of 2772	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	34
PID 2168 wrote to memory of 2772	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	34
PID 2168 wrote to memory of 2712	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	36
PID 2168 wrote to memory of 2712	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	36
PID 2168 wrote to memory of 2712	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	36
PID 2168 wrote to memory of 2712	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	36
PID 2168 wrote to memory of 2920	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	38
PID 2168 wrote to memory of 2920	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	38
PID 2168 wrote to memory of 2920	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	38
PID 2168 wrote to memory of 2920	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	38
PID 2168 wrote to memory of 1632	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	41
PID 2168 wrote to memory of 1632	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	41
PID 2168 wrote to memory of 1632	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	41
PID 2168 wrote to memory of 1632	2168	2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe	41
PID 2224 wrote to memory of 2628	2224	xwkmaxyq.exe	43
PID 2224 wrote to memory of 2628	2224	xwkmaxyq.exe	43
PID 2224 wrote to memory of 2628	2224	xwkmaxyq.exe	43
PID 2224 wrote to memory of 2628	2224	xwkmaxyq.exe	43
PID 2224 wrote to memory of 2628	2224	xwkmaxyq.exe	43
PID 2224 wrote to memory of 2628	2224	xwkmaxyq.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ozxvpfgh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xwkmaxyq.exe" C:\Windows\SysWOW64\ozxvpfgh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ozxvpfgh binPath= "C:\Windows\SysWOW64\ozxvpfgh\xwkmaxyq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ozxvpfgh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ozxvpfgh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2920
- 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:1632

C:\Windows\SysWOW64\ozxvpfgh\xwkmaxyq.exe
C:\Windows\SysWOW64\ozxvpfgh\xwkmaxyq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_337a81b8a925f371beda4458d0403d00_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2224
- 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:2628

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
10.5MB

MD5
4c10a0e345e8808fc2ff9a25c590a34a

SHA1
c2831b0f2ff900245e0896508d937f51d9683320

SHA256
2660543a9e16478ec15a63b15b36a5d0a705d6436e3331b1b7cbf295a9755347

SHA512
ee62eabab1619df784770ccdf521d320fa0f6ffcefb15bde1e1f4d653a0f1cb9dc5a3bb7a2aaf2502eff32c59bbcba5c4ba89ce4638548ae49426e070d8204f9

Download Submit
memory/2168-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2168-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2168-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2168-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2168-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2168-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2224-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2628-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads