tofsee | 4363360eba9bacce9d9e19e369cc7c8e872dae2289150471823514c137342f07

General

Target

2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe
Size

11.5MB
MD5

22e3c237d361b3e4fa05ebbd045f0c12
SHA1

74501e3cd15f8a34d1ebe61d2343bce6c85ddf87
SHA256

4363360eba9bacce9d9e19e369cc7c8e872dae2289150471823514c137342f07
SHA512

aca3ae1830be51e36a02b6438765eb141ad3148176f0fce91cb3f31d45082d60db1bcd40118bfced670d0e605857c6d98626e76d64d8051e756c36077244a314
SSDEEP

6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQu:YTYe+D2jFu+iZoUFhAz7

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4260	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\fgipouhz\ImagePath = "C:\\Windows\\SysWOW64\\fgipouhz\\kmfqxftj.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe

Deletes itself 1 IoCs

pid	Process
3796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1788	kmfqxftj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1788 set thread context of 3796	1788	kmfqxftj.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
4856	sc.exe
2564	sc.exe
4556	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
328	1788	WerFault.exe	92
1384	3508	WerFault.exe	81

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_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kmfqxftj.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 3420	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	82
PID 3508 wrote to memory of 3420	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	82
PID 3508 wrote to memory of 3420	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	82
PID 3508 wrote to memory of 3360	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	84
PID 3508 wrote to memory of 3360	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	84
PID 3508 wrote to memory of 3360	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	84
PID 3508 wrote to memory of 4856	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	86
PID 3508 wrote to memory of 4856	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	86
PID 3508 wrote to memory of 4856	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	86
PID 3508 wrote to memory of 2564	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	88
PID 3508 wrote to memory of 2564	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	88
PID 3508 wrote to memory of 2564	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	88
PID 3508 wrote to memory of 4556	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	90
PID 3508 wrote to memory of 4556	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	90
PID 3508 wrote to memory of 4556	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	90
PID 3508 wrote to memory of 4260	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	93
PID 3508 wrote to memory of 4260	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	93
PID 3508 wrote to memory of 4260	3508	2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe	93
PID 1788 wrote to memory of 3796	1788	kmfqxftj.exe	96
PID 1788 wrote to memory of 3796	1788	kmfqxftj.exe	96
PID 1788 wrote to memory of 3796	1788	kmfqxftj.exe	96
PID 1788 wrote to memory of 3796	1788	kmfqxftj.exe	96
PID 1788 wrote to memory of 3796	1788	kmfqxftj.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fgipouhz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kmfqxftj.exe" C:\Windows\SysWOW64\fgipouhz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3360
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fgipouhz binPath= "C:\Windows\SysWOW64\fgipouhz\kmfqxftj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fgipouhz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fgipouhz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4556
- 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:4260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 592
  2⤵
  - Program crash
  PID:1384

C:\Windows\SysWOW64\fgipouhz\kmfqxftj.exe
C:\Windows\SysWOW64\fgipouhz\kmfqxftj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_22e3c237d361b3e4fa05ebbd045f0c12_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 516
  2⤵
  - Program crash
  PID:328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3508 -ip 3508
1⤵
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1788 -ip 1788
1⤵
PID:1912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.2MB

MD5
94d9d5513aa7269bb2734c7c1e670541

SHA1
0328f7cfd4f148160887f41f7e0a0af34fde2a92

SHA256
03a8782d01757fe8bb672e1a17074c9ba419a888a691754436908cbeffffc89c

SHA512
acfe7fdcda9189ef4a46e34c65da738a066eba06693cc507ccef973e122899bb60bacec6fb144a271661be18b351a435f4002062c32c039e6e6b8978553974f8

Download Submit
memory/1788-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1788-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1788-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1788-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3508-18-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/3508-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3508-2-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/3508-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3508-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3508-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/3796-11-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/3796-14-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/3796-20-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/3796-21-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/3796-22-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads