tofsee | 22c8895bc9d3d7a67787d17179332adba9a59b6753d2feddf9752e725e967ae1

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 19:52

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General

Target

2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe
Size

10.7MB
MD5

055e230a9f4a4326b302456ed21f443d
SHA1

d8c00df30523cf25b19fa25054539fc84412928f
SHA256

22c8895bc9d3d7a67787d17179332adba9a59b6753d2feddf9752e725e967ae1
SHA512

acbdcc8f84a86d15538396a3d61ead759ac233546f0528518b153186219e565779b281bc9c48c820c3dbf5276959780588a30101dc6abb02a12e5e25d7c8c0f8
SSDEEP

6144:DLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:4TYe+D2jFu+iZoUFhAz

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\kvygydtz = "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
1244	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\kvygydtz\ImagePath = "C:\\Windows\\SysWOW64\\kvygydtz\\aznpdabt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2640	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	aznpdabt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2640	2820	aznpdabt.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2320	sc.exe
2980	sc.exe
2836	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aznpdabt.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2544	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	30
PID 2444 wrote to memory of 2544	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	30
PID 2444 wrote to memory of 2544	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	30
PID 2444 wrote to memory of 2544	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	30
PID 2444 wrote to memory of 3028	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	32
PID 2444 wrote to memory of 3028	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	32
PID 2444 wrote to memory of 3028	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	32
PID 2444 wrote to memory of 3028	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	32
PID 2444 wrote to memory of 2320	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	34
PID 2444 wrote to memory of 2320	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	34
PID 2444 wrote to memory of 2320	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	34
PID 2444 wrote to memory of 2320	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	34
PID 2444 wrote to memory of 2980	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	37
PID 2444 wrote to memory of 2980	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	37
PID 2444 wrote to memory of 2980	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	37
PID 2444 wrote to memory of 2980	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	37
PID 2444 wrote to memory of 2836	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	39
PID 2444 wrote to memory of 2836	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	39
PID 2444 wrote to memory of 2836	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	39
PID 2444 wrote to memory of 2836	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	39
PID 2444 wrote to memory of 1244	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	42
PID 2444 wrote to memory of 1244	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	42
PID 2444 wrote to memory of 1244	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	42
PID 2444 wrote to memory of 1244	2444	2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe	42
PID 2820 wrote to memory of 2640	2820	aznpdabt.exe	44
PID 2820 wrote to memory of 2640	2820	aznpdabt.exe	44
PID 2820 wrote to memory of 2640	2820	aznpdabt.exe	44
PID 2820 wrote to memory of 2640	2820	aznpdabt.exe	44
PID 2820 wrote to memory of 2640	2820	aznpdabt.exe	44
PID 2820 wrote to memory of 2640	2820	aznpdabt.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kvygydtz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aznpdabt.exe" C:\Windows\SysWOW64\kvygydtz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kvygydtz binPath= "C:\Windows\SysWOW64\kvygydtz\aznpdabt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kvygydtz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kvygydtz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:1244

C:\Windows\SysWOW64\kvygydtz\aznpdabt.exe
C:\Windows\SysWOW64\kvygydtz\aznpdabt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_055e230a9f4a4326b302456ed21f443d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2640

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\aznpdabt.exe

Filesize
14.8MB

MD5
e23b9f4a20d02863b66d438d5d3d3a0c

SHA1
4f1f4c4b201321b96299f8720dbf7e05105cae90

SHA256
cd56112d6d51492e1d4f149c84a57a8e56b058f03c21846912d5415673ae38b2

SHA512
2ef0150e6b2d4875a94cd75148e97b75cb51c5cb74a71bb911ad64222fa8a53f32d09c9411ce5365187873a709a21ee152fda01d472edfa458ac9c163e82b7f1

Download Submit
memory/2444-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2444-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2444-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2444-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2444-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2444-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2640-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads