tofsee | 6a1da763c46e6b2629d9860a9faff3f8022bb7f3f832351249870c848ea6b5a3

General

Target

2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe
Size

12.1MB
MD5

0d6033f04c52d76dfb4f91626b147366
SHA1

2d2b4e4ed500d4b403cfbe1e4f2f8a1549953604
SHA256

6a1da763c46e6b2629d9860a9faff3f8022bb7f3f832351249870c848ea6b5a3
SHA512

d2d24eb3dae4890e0a4ec40cade8d0ed86117ec74127a550069848b59ab3a5d9c0378b815df4a63746b261b05f108e50bc827b3de44f79a978dd5c18c406b474
SSDEEP

6144:9LQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQA:uTYe+D2jFu+iZoUFhAzx

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
2160	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\kpxbfpvf\ImagePath = "C:\\Windows\\SysWOW64\\kpxbfpvf\\hbbsdmdf.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-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe

Deletes itself 1 IoCs

pid	Process
1068	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3592	hbbsdmdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3592 set thread context of 1068	3592	hbbsdmdf.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
448	sc.exe
3368	sc.exe
2004	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
840	4704	WerFault.exe	83
876	3592	WerFault.exe	97

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	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hbbsdmdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 4812	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	87
PID 4704 wrote to memory of 4812	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	87
PID 4704 wrote to memory of 4812	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	87
PID 4704 wrote to memory of 1664	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	89
PID 4704 wrote to memory of 1664	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	89
PID 4704 wrote to memory of 1664	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	89
PID 4704 wrote to memory of 448	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	91
PID 4704 wrote to memory of 448	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	91
PID 4704 wrote to memory of 448	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	91
PID 4704 wrote to memory of 3368	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	93
PID 4704 wrote to memory of 3368	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	93
PID 4704 wrote to memory of 3368	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	93
PID 4704 wrote to memory of 2004	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	95
PID 4704 wrote to memory of 2004	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	95
PID 4704 wrote to memory of 2004	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	95
PID 4704 wrote to memory of 2160	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	98
PID 4704 wrote to memory of 2160	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	98
PID 4704 wrote to memory of 2160	4704	2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe	98
PID 3592 wrote to memory of 1068	3592	hbbsdmdf.exe	102
PID 3592 wrote to memory of 1068	3592	hbbsdmdf.exe	102
PID 3592 wrote to memory of 1068	3592	hbbsdmdf.exe	102
PID 3592 wrote to memory of 1068	3592	hbbsdmdf.exe	102
PID 3592 wrote to memory of 1068	3592	hbbsdmdf.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kpxbfpvf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hbbsdmdf.exe" C:\Windows\SysWOW64\kpxbfpvf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kpxbfpvf binPath= "C:\Windows\SysWOW64\kpxbfpvf\hbbsdmdf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kpxbfpvf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kpxbfpvf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2004
- 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:2160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 1228
  2⤵
  - Program crash
  PID:840

C:\Windows\SysWOW64\kpxbfpvf\hbbsdmdf.exe
C:\Windows\SysWOW64\kpxbfpvf\hbbsdmdf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_0d6033f04c52d76dfb4f91626b147366_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 512
  2⤵
  - Program crash
  PID:876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4704 -ip 4704
1⤵
PID:2560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3592 -ip 3592
1⤵
PID:1480

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\hbbsdmdf.exe

Filesize
13.4MB

MD5
eb66c977f265a0b882d33437754a4820

SHA1
ad36a914167737676d0f4062ff8c98482ba6167c

SHA256
13e1f9bc91875702f283c0385bf2c3ffcf655dcfeb85e52b51228329cdeb6259

SHA512
d005b2bb8f4d2487249a2a1b2d44fedef64dacfa8d42fa0648b5d5180283d5d3be8373c2ec1dd36a137cc05681c5270632bc0a0208dd3818b220d5df80006423

Download Submit
memory/1068-14-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/1068-22-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/1068-21-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/1068-20-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/1068-11-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/3592-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3592-10-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3592-19-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3592-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4704-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/4704-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4704-16-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/4704-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4704-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4704-2-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads