tofsee | 8aeb2c30634da05e2c33aec859f61d05a3b0f69d41e76562fe37cc784fc1566c

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 23:09

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General

Target

2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe
Size

11.1MB
MD5

c8478f4f5d94b9ac131ff2d84e5d3909
SHA1

4b7ca3f00711ea4a9c8b5aeef648044fc7e85255
SHA256

8aeb2c30634da05e2c33aec859f61d05a3b0f69d41e76562fe37cc784fc1566c
SHA512

a63d72342ad22ceba03c11a4ffe3e08c37bd9fc62ba34b0fec10bf4df22958638f54b37e2f9e3d3e0f59e2220045488b2ae7025e12d4480c13c7391b8a8a4199
SSDEEP

196608:WyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:7XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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\vhfwgtkq = "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
2776	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\vhfwgtkq\ImagePath = "C:\\Windows\\SysWOW64\\vhfwgtkq\\vakfzlik.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2988	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	vakfzlik.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2988	2796	vakfzlik.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1868	sc.exe
2772	sc.exe
2860	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_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	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	vakfzlik.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1752	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	31
PID 2272 wrote to memory of 1752	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	31
PID 2272 wrote to memory of 1752	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	31
PID 2272 wrote to memory of 1752	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	31
PID 2272 wrote to memory of 1356	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	33
PID 2272 wrote to memory of 1356	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	33
PID 2272 wrote to memory of 1356	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	33
PID 2272 wrote to memory of 1356	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	33
PID 2272 wrote to memory of 1868	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	35
PID 2272 wrote to memory of 1868	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	35
PID 2272 wrote to memory of 1868	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	35
PID 2272 wrote to memory of 1868	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	35
PID 2272 wrote to memory of 2772	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	37
PID 2272 wrote to memory of 2772	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	37
PID 2272 wrote to memory of 2772	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	37
PID 2272 wrote to memory of 2772	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	37
PID 2272 wrote to memory of 2860	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	39
PID 2272 wrote to memory of 2860	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	39
PID 2272 wrote to memory of 2860	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	39
PID 2272 wrote to memory of 2860	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	39
PID 2272 wrote to memory of 2776	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	42
PID 2272 wrote to memory of 2776	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	42
PID 2272 wrote to memory of 2776	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	42
PID 2272 wrote to memory of 2776	2272	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	42
PID 2796 wrote to memory of 2988	2796	vakfzlik.exe	44
PID 2796 wrote to memory of 2988	2796	vakfzlik.exe	44
PID 2796 wrote to memory of 2988	2796	vakfzlik.exe	44
PID 2796 wrote to memory of 2988	2796	vakfzlik.exe	44
PID 2796 wrote to memory of 2988	2796	vakfzlik.exe	44
PID 2796 wrote to memory of 2988	2796	vakfzlik.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vhfwgtkq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vakfzlik.exe" C:\Windows\SysWOW64\vhfwgtkq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1356
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vhfwgtkq binPath= "C:\Windows\SysWOW64\vhfwgtkq\vakfzlik.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vhfwgtkq "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 vhfwgtkq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2860
- 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:2776

C:\Windows\SysWOW64\vhfwgtkq\vakfzlik.exe
C:\Windows\SysWOW64\vhfwgtkq\vakfzlik.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- 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:2988

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\vakfzlik.exe

Filesize
14.3MB

MD5
a922b9e298dc4dc7d26508ae60d3bf9f

SHA1
f3cc6ae3a89bdd94e0f396d3f82a6429718b3d63

SHA256
f51b5fb0a9b23d49ebcf169c9516a341d8021657221961f9520b18f6bc1b124f

SHA512
52d15827e32b4f2510fffb89090f993ff9bbe2a1ce4a82f61507694fb4482097da26e858f9b2f92dc0d16c9213eb99ab40a22f32c5bb64e4a32f9893cf3fa017

Download Submit
memory/2272-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2272-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2272-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/2272-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2272-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2272-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2796-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2988-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads