tofsee | 98ee15b4498267f85a08ef3f1d58fe63f8e6e5373e16790be65be707b0eb21e5

Analysis

max time kernel
144s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 16:34

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General

Target

2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe
Size

12.5MB
MD5

387afac071bccec0be9c8e49d461568d
SHA1

eadafb725052b1eeb3fb3ca0da541c1c600bf663
SHA256

98ee15b4498267f85a08ef3f1d58fe63f8e6e5373e16790be65be707b0eb21e5
SHA512

38235ab069954d83ea6def71c6dbf7c7c45d9406b0eb302502dab05da2ff71951698206b60af52fa0f42e82f9d9f11b54a45cda63349f066eafec1c030c55401
SSDEEP

393216:8XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXR:a

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\zgidvlau = "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
2712	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\zgidvlau\ImagePath = "C:\\Windows\\SysWOW64\\zgidvlau\\vmipgfjn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	vmipgfjn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 2768	2676	vmipgfjn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2652	sc.exe
2884	sc.exe
2660	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	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	2025-01-31_387afac071bccec0be9c8e49d461568d_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmipgfjn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 3036	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	30
PID 2196 wrote to memory of 3036	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	30
PID 2196 wrote to memory of 3036	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	30
PID 2196 wrote to memory of 3036	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	30
PID 2196 wrote to memory of 2020	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	32
PID 2196 wrote to memory of 2020	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	32
PID 2196 wrote to memory of 2020	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	32
PID 2196 wrote to memory of 2020	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	32
PID 2196 wrote to memory of 2652	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	34
PID 2196 wrote to memory of 2652	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	34
PID 2196 wrote to memory of 2652	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	34
PID 2196 wrote to memory of 2652	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	34
PID 2196 wrote to memory of 2884	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	36
PID 2196 wrote to memory of 2884	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	36
PID 2196 wrote to memory of 2884	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	36
PID 2196 wrote to memory of 2884	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	36
PID 2196 wrote to memory of 2660	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	38
PID 2196 wrote to memory of 2660	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	38
PID 2196 wrote to memory of 2660	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	38
PID 2196 wrote to memory of 2660	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	38
PID 2676 wrote to memory of 2768	2676	vmipgfjn.exe	41
PID 2676 wrote to memory of 2768	2676	vmipgfjn.exe	41
PID 2676 wrote to memory of 2768	2676	vmipgfjn.exe	41
PID 2676 wrote to memory of 2768	2676	vmipgfjn.exe	41
PID 2676 wrote to memory of 2768	2676	vmipgfjn.exe	41
PID 2676 wrote to memory of 2768	2676	vmipgfjn.exe	41
PID 2196 wrote to memory of 2712	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	42
PID 2196 wrote to memory of 2712	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	42
PID 2196 wrote to memory of 2712	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	42
PID 2196 wrote to memory of 2712	2196	2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zgidvlau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vmipgfjn.exe" C:\Windows\SysWOW64\zgidvlau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zgidvlau binPath= "C:\Windows\SysWOW64\zgidvlau\vmipgfjn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zgidvlau "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zgidvlau
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- 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:2712

C:\Windows\SysWOW64\zgidvlau\vmipgfjn.exe
C:\Windows\SysWOW64\zgidvlau\vmipgfjn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- 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:2768

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\vmipgfjn.exe

Filesize
13.7MB

MD5
f34517a782500d46bc34be4040d56288

SHA1
a4774898733818331df7293181290cc526c3d2c0

SHA256
1c2575607f7f0c65321a118c49ec295a80d988a4bfc9fb69345c877df88426b2

SHA512
ec4c192df19067a3811f86d42b006024df251e3015edd50c3ae834b9685625e804622a7d92db5ebb5f3144994bca64d31aaa2b6e09ebdcccd51dff98e339ccfb

Download Submit
memory/2196-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2196-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2196-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2196-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2196-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/2196-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2676-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2768-8-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2768-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2768-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-17-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2768-18-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads