tofsee | 6ba765a740a33a897e20816576017b80d636ee49a108edeb56555351012c5e2b

Analysis

max time kernel
143s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:06

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General

Target

2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe
Size

13.7MB
MD5

3c2bc3d86ab2c59bb8db6437b7ecd18f
SHA1

c6eac3932bca6f8e34a5a055c24f2d567b14f7b0
SHA256

6ba765a740a33a897e20816576017b80d636ee49a108edeb56555351012c5e2b
SHA512

b4cff121925a952ef420e3a9a95d93360198773960ee4dc865f0a569868638f2d71e2eadbc53694d0084728d31e2b53a635c2db13c884e0845d98976ed9989d7
SSDEEP

24576:8EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZr:5fot

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\xmfkamkw = "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
2780	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\xmfkamkw\ImagePath = "C:\\Windows\\SysWOW64\\xmfkamkw\\namjcpue.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2448	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	namjcpue.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2448	2788	namjcpue.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2772	sc.exe
2920	sc.exe
2812	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	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_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	namjcpue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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 2068 wrote to memory of 3064	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	30
PID 2068 wrote to memory of 3064	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	30
PID 2068 wrote to memory of 3064	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	30
PID 2068 wrote to memory of 3064	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	30
PID 2068 wrote to memory of 2276	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	32
PID 2068 wrote to memory of 2276	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	32
PID 2068 wrote to memory of 2276	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	32
PID 2068 wrote to memory of 2276	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	32
PID 2068 wrote to memory of 2812	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	34
PID 2068 wrote to memory of 2812	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	34
PID 2068 wrote to memory of 2812	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	34
PID 2068 wrote to memory of 2812	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	34
PID 2068 wrote to memory of 2772	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	36
PID 2068 wrote to memory of 2772	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	36
PID 2068 wrote to memory of 2772	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	36
PID 2068 wrote to memory of 2772	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	36
PID 2068 wrote to memory of 2920	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	38
PID 2068 wrote to memory of 2920	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	38
PID 2068 wrote to memory of 2920	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	38
PID 2068 wrote to memory of 2920	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	38
PID 2068 wrote to memory of 2780	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	41
PID 2068 wrote to memory of 2780	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	41
PID 2068 wrote to memory of 2780	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	41
PID 2068 wrote to memory of 2780	2068	2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe	41
PID 2788 wrote to memory of 2448	2788	namjcpue.exe	43
PID 2788 wrote to memory of 2448	2788	namjcpue.exe	43
PID 2788 wrote to memory of 2448	2788	namjcpue.exe	43
PID 2788 wrote to memory of 2448	2788	namjcpue.exe	43
PID 2788 wrote to memory of 2448	2788	namjcpue.exe	43
PID 2788 wrote to memory of 2448	2788	namjcpue.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xmfkamkw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\namjcpue.exe" C:\Windows\SysWOW64\xmfkamkw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2276
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xmfkamkw binPath= "C:\Windows\SysWOW64\xmfkamkw\namjcpue.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xmfkamkw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xmfkamkw
  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:2780

C:\Windows\SysWOW64\xmfkamkw\namjcpue.exe
C:\Windows\SysWOW64\xmfkamkw\namjcpue.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_3c2bc3d86ab2c59bb8db6437b7ecd18f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- 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:2448

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\namjcpue.exe

Filesize
15.0MB

MD5
2ec1ca9a2a4d209c366aa6f7b764f433

SHA1
661f9d6c3980d4638894467fd262d2200cf06998

SHA256
202a13bd3508b309406c782b05a4dc14a417cf7877bb1fef4c657d31b5cf612b

SHA512
6dcfc8f8229fb5dcd2ed2e56e6e8431b05c381a1daea152b73863a095f2b92681060210532d41d43052ab7a517ab4bdc9f1cac08cc9c6a186043d0d0106e0b38

Download Submit
memory/2068-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2068-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2068-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2448-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2448-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads