tofsee | 0091df4f1cff51f1d1e44073aeaeb258e041dd1ec33729eb6830fb423518056f

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 19:32

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General

Target

2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe
Size

10.5MB
MD5

77bf4a605135e1410892564c7dc6c293
SHA1

a4848d7ac219fa7c6b5dbc63a189069feb0c0cec
SHA256

0091df4f1cff51f1d1e44073aeaeb258e041dd1ec33729eb6830fb423518056f
SHA512

65beabe3eae6fa2df5dc1c79830ddc9485996949f501f12bc12b35589913bd276e10498d861303939705b03778ea25c9e6c0549f6ab38482a6b4605817a6146d
SSDEEP

3072:lLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:IOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\mlkuuing = "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
3016	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\mlkuuing\ImagePath = "C:\\Windows\\SysWOW64\\mlkuuing\\smmdoxoq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	smmdoxoq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2796	2868	smmdoxoq.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2688	sc.exe
2528	sc.exe
2948	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	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.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	smmdoxoq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 2156	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	29
PID 1268 wrote to memory of 2156	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	29
PID 1268 wrote to memory of 2156	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	29
PID 1268 wrote to memory of 2156	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	29
PID 1268 wrote to memory of 668	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	31
PID 1268 wrote to memory of 668	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	31
PID 1268 wrote to memory of 668	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	31
PID 1268 wrote to memory of 668	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	31
PID 1268 wrote to memory of 2528	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	33
PID 1268 wrote to memory of 2528	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	33
PID 1268 wrote to memory of 2528	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	33
PID 1268 wrote to memory of 2528	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	33
PID 1268 wrote to memory of 2948	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	35
PID 1268 wrote to memory of 2948	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	35
PID 1268 wrote to memory of 2948	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	35
PID 1268 wrote to memory of 2948	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	35
PID 1268 wrote to memory of 2688	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	37
PID 1268 wrote to memory of 2688	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	37
PID 1268 wrote to memory of 2688	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	37
PID 1268 wrote to memory of 2688	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	37
PID 1268 wrote to memory of 3016	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	39
PID 1268 wrote to memory of 3016	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	39
PID 1268 wrote to memory of 3016	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	39
PID 1268 wrote to memory of 3016	1268	2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe	39
PID 2868 wrote to memory of 2796	2868	smmdoxoq.exe	42
PID 2868 wrote to memory of 2796	2868	smmdoxoq.exe	42
PID 2868 wrote to memory of 2796	2868	smmdoxoq.exe	42
PID 2868 wrote to memory of 2796	2868	smmdoxoq.exe	42
PID 2868 wrote to memory of 2796	2868	smmdoxoq.exe	42
PID 2868 wrote to memory of 2796	2868	smmdoxoq.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mlkuuing\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\smmdoxoq.exe" C:\Windows\SysWOW64\mlkuuing\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mlkuuing binPath= "C:\Windows\SysWOW64\mlkuuing\smmdoxoq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mlkuuing "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mlkuuing
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- 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:3016

C:\Windows\SysWOW64\mlkuuing\smmdoxoq.exe
C:\Windows\SysWOW64\mlkuuing\smmdoxoq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_77bf4a605135e1410892564c7dc6c293_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- 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:2796

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\smmdoxoq.exe

Filesize
12.0MB

MD5
885754dbc77d1fe3c530a618e9dadb37

SHA1
b07e3d64193ad38725daeea004a454fa3912effe

SHA256
48a619be19a3c7a356b4ee7818f65c68cdf60e194b105fc266b5ccb6d088146f

SHA512
d52ea82f87d0cd4cbb93c966ff9a4ba9c643b636b561560c88b80704a3de7eb315267d5cad0f402f112822e254a20989a727bdda25789e4d5797d5fe0ba7cf9b

Download Submit
memory/1268-7-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1268-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1268-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1268-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1268-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1268-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2796-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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