tofsee | 021bd6224b01e129bc698c169147d0cdc9837da61d7b5dad9b95a261c08aa1e0

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-01-2025 18:51

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General

Target

2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe
Size

14.7MB
MD5

a9bfc087d28bfb8f6c26ffc5f5964c02
SHA1

0572d7495a43429fed412d54be02aabcf2789e36
SHA256

021bd6224b01e129bc698c169147d0cdc9837da61d7b5dad9b95a261c08aa1e0
SHA512

49e8ec0f5c372071a150b3545ba09197ee141c3a7b11562dd7ede8053edda5b600fac01c9dd07911bb2ab90a5c566ffbf608a9b720f155e44217ab65e54e2196
SSDEEP

393216:lXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:

Score

10^/10

tofsee discovery evasion 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

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\zqqfstuy = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2708	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\zqqfstuy\ImagePath = "C:\\Windows\\SysWOW64\\zqqfstuy\\vhgufpxr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2672	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	vhgufpxr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2672	2812	vhgufpxr.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2752	sc.exe
2164	sc.exe
2692	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	vhgufpxr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2332	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	31
PID 2360 wrote to memory of 2332	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	31
PID 2360 wrote to memory of 2332	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	31
PID 2360 wrote to memory of 2332	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	31
PID 2360 wrote to memory of 2080	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	33
PID 2360 wrote to memory of 2080	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	33
PID 2360 wrote to memory of 2080	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	33
PID 2360 wrote to memory of 2080	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	33
PID 2360 wrote to memory of 2164	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	35
PID 2360 wrote to memory of 2164	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	35
PID 2360 wrote to memory of 2164	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	35
PID 2360 wrote to memory of 2164	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	35
PID 2360 wrote to memory of 2692	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	37
PID 2360 wrote to memory of 2692	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	37
PID 2360 wrote to memory of 2692	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	37
PID 2360 wrote to memory of 2692	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	37
PID 2360 wrote to memory of 2752	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	39
PID 2360 wrote to memory of 2752	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	39
PID 2360 wrote to memory of 2752	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	39
PID 2360 wrote to memory of 2752	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	39
PID 2812 wrote to memory of 2672	2812	vhgufpxr.exe	42
PID 2812 wrote to memory of 2672	2812	vhgufpxr.exe	42
PID 2812 wrote to memory of 2672	2812	vhgufpxr.exe	42
PID 2812 wrote to memory of 2672	2812	vhgufpxr.exe	42
PID 2812 wrote to memory of 2672	2812	vhgufpxr.exe	42
PID 2812 wrote to memory of 2672	2812	vhgufpxr.exe	42
PID 2360 wrote to memory of 2708	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	43
PID 2360 wrote to memory of 2708	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	43
PID 2360 wrote to memory of 2708	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	43
PID 2360 wrote to memory of 2708	2360	2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zqqfstuy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vhgufpxr.exe" C:\Windows\SysWOW64\zqqfstuy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zqqfstuy binPath= "C:\Windows\SysWOW64\zqqfstuy\vhgufpxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zqqfstuy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zqqfstuy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2708

C:\Windows\SysWOW64\zqqfstuy\vhgufpxr.exe
C:\Windows\SysWOW64\zqqfstuy\vhgufpxr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-15_a9bfc087d28bfb8f6c26ffc5f5964c02_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:2672

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\vhgufpxr.exe

Filesize
10.6MB

MD5
a0fb7b8008819cdbdfefc04e0fef8c57

SHA1
36c0a352e0eb23636d2ef3e9d35d0f75ad65231f

SHA256
6885898b9a2842fc33dec6236d173f4ea9abe52cfb025937d88ec18c72123862

SHA512
2134f523121d2f48ecbc376612d4ee6ed38f563f8455f334a13954788d03b3ff7ba9fabcecee78b8f60ac4b2292b129e696069816a5d943dea91b4dc2f21918c

Download Submit
memory/2360-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2360-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2360-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2360-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2360-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2360-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2672-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2672-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2672-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2672-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2812-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads