tofsee | 04c02e1bad094a8550bc89757909de4b2c4fadafc9218a1e4dbb61e746da5f4c

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/02/2025, 23:16

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General

Target

2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe
Size

13.8MB
MD5

229c6f75aab2806898846d4355402070
SHA1

347aab145595d8724c067b527adb9da1509a1dea
SHA256

04c02e1bad094a8550bc89757909de4b2c4fadafc9218a1e4dbb61e746da5f4c
SHA512

7f86781506b5033dd12145e38ca0112be03c75c7ab5754291ab5294c14ba2527893da6e6f699a4d5eddc86f4ca4a97849536c679602f9708eb1c7f97f70154f0
SSDEEP

24576:LEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ/:Yfot5

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\lmxcwtwa = "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
2776	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\lmxcwtwa\ImagePath = "C:\\Windows\\SysWOW64\\lmxcwtwa\\mpvpepag.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2936	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	mpvpepag.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2936	2932	mpvpepag.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2948	sc.exe
2728	sc.exe
2908	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	mpvpepag.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_229c6f75aab2806898846d4355402070_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2348	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	31
PID 2096 wrote to memory of 2348	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	31
PID 2096 wrote to memory of 2348	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	31
PID 2096 wrote to memory of 2348	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	31
PID 2096 wrote to memory of 2016	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	33
PID 2096 wrote to memory of 2016	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	33
PID 2096 wrote to memory of 2016	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	33
PID 2096 wrote to memory of 2016	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	33
PID 2096 wrote to memory of 2948	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	35
PID 2096 wrote to memory of 2948	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	35
PID 2096 wrote to memory of 2948	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	35
PID 2096 wrote to memory of 2948	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	35
PID 2096 wrote to memory of 2728	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	37
PID 2096 wrote to memory of 2728	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	37
PID 2096 wrote to memory of 2728	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	37
PID 2096 wrote to memory of 2728	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	37
PID 2096 wrote to memory of 2908	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	39
PID 2096 wrote to memory of 2908	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	39
PID 2096 wrote to memory of 2908	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	39
PID 2096 wrote to memory of 2908	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	39
PID 2096 wrote to memory of 2776	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	42
PID 2096 wrote to memory of 2776	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	42
PID 2096 wrote to memory of 2776	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	42
PID 2096 wrote to memory of 2776	2096	2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe	42
PID 2932 wrote to memory of 2936	2932	mpvpepag.exe	44
PID 2932 wrote to memory of 2936	2932	mpvpepag.exe	44
PID 2932 wrote to memory of 2936	2932	mpvpepag.exe	44
PID 2932 wrote to memory of 2936	2932	mpvpepag.exe	44
PID 2932 wrote to memory of 2936	2932	mpvpepag.exe	44
PID 2932 wrote to memory of 2936	2932	mpvpepag.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lmxcwtwa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mpvpepag.exe" C:\Windows\SysWOW64\lmxcwtwa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lmxcwtwa binPath= "C:\Windows\SysWOW64\lmxcwtwa\mpvpepag.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lmxcwtwa "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lmxcwtwa
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- 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:2776

C:\Windows\SysWOW64\lmxcwtwa\mpvpepag.exe
C:\Windows\SysWOW64\lmxcwtwa\mpvpepag.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_229c6f75aab2806898846d4355402070_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- 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:2936

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\mpvpepag.exe

Filesize
13.9MB

MD5
afd29f913037717f0a163c3a00475802

SHA1
da7ade6247c2a4506ca4d9d2791515bdd8228bbf

SHA256
e8e19333055f5f16fca91d2b4c6e1f7aeab16014e42364c2b79fc8b209cc4f8a

SHA512
85ddcbd61657dd664d786f2fe641bb0349f685a3b530c7e58f3c5d2785852e3646449be69573646a8c201b1fd6425d94ec8ed781fa99a2f823795cf70e3ad55c

Download Submit
memory/2096-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2096-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2096-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2096-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2096-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2096-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2932-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2936-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads