tofsee | 15085eb6eee948b173b6b03d1192c1f3cc12c543d213b236ad5984caf818aac7

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 16:02

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General

Target

2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe
Size

13.4MB
MD5

cbe15150a4fa7ff1fde11f44aa6ab454
SHA1

994b6f31f3aa0b94d0fcd60ca823e0c898faaa6a
SHA256

15085eb6eee948b173b6b03d1192c1f3cc12c543d213b236ad5984caf818aac7
SHA512

9fff2df5dcc5505e863d37b1c7f7fd3195f37656721d5d5aa6fbcacabac7690171f3760e3bd8df3342f34321aef03f90537e77fb960d92ea781da2d3cabf9543
SSDEEP

24576:lpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttf:Poo1

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\eealoymw = "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
800	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\eealoymw\ImagePath = "C:\\Windows\\SysWOW64\\eealoymw\\ytxpfqsq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
472	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	ytxpfqsq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 472	2616	ytxpfqsq.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2816	sc.exe
2592	sc.exe
3012	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	ytxpfqsq.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	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	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2732	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	30
PID 2720 wrote to memory of 2732	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	30
PID 2720 wrote to memory of 2732	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	30
PID 2720 wrote to memory of 2732	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	30
PID 2720 wrote to memory of 2840	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	32
PID 2720 wrote to memory of 2840	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	32
PID 2720 wrote to memory of 2840	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	32
PID 2720 wrote to memory of 2840	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	32
PID 2720 wrote to memory of 2816	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	34
PID 2720 wrote to memory of 2816	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	34
PID 2720 wrote to memory of 2816	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	34
PID 2720 wrote to memory of 2816	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	34
PID 2720 wrote to memory of 2592	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	36
PID 2720 wrote to memory of 2592	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	36
PID 2720 wrote to memory of 2592	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	36
PID 2720 wrote to memory of 2592	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	36
PID 2720 wrote to memory of 3012	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	38
PID 2720 wrote to memory of 3012	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	38
PID 2720 wrote to memory of 3012	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	38
PID 2720 wrote to memory of 3012	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	38
PID 2616 wrote to memory of 472	2616	ytxpfqsq.exe	41
PID 2616 wrote to memory of 472	2616	ytxpfqsq.exe	41
PID 2616 wrote to memory of 472	2616	ytxpfqsq.exe	41
PID 2616 wrote to memory of 472	2616	ytxpfqsq.exe	41
PID 2616 wrote to memory of 472	2616	ytxpfqsq.exe	41
PID 2616 wrote to memory of 472	2616	ytxpfqsq.exe	41
PID 2720 wrote to memory of 800	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	42
PID 2720 wrote to memory of 800	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	42
PID 2720 wrote to memory of 800	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	42
PID 2720 wrote to memory of 800	2720	2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eealoymw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ytxpfqsq.exe" C:\Windows\SysWOW64\eealoymw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eealoymw binPath= "C:\Windows\SysWOW64\eealoymw\ytxpfqsq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eealoymw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eealoymw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3012
- 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:800

C:\Windows\SysWOW64\eealoymw\ytxpfqsq.exe
C:\Windows\SysWOW64\eealoymw\ytxpfqsq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_cbe15150a4fa7ff1fde11f44aa6ab454_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:472

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\ytxpfqsq.exe

Filesize
13.3MB

MD5
90ccf1a8cc0bd84cc1122c6dbfb435f6

SHA1
06177e7c7a2582197a64db0de0b8c892c971b9c2

SHA256
e99e096513174aaa4c74ea99745ae698723cbb0bf331048a0b560b25c2524961

SHA512
cc3e12ec73be1c5ed6c16496a71af770a01f6f64e86ffa6ed67e2560dedef1caa6cbc16af75c780c72374bad4c6283a8bfb20e41a9109c1b0e6efd7da09a24be

Download Submit
memory/472-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/472-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/472-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/472-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/472-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2720-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2720-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2720-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2720-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2720-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2720-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads