tofsee | 3481c90a5b2c635e28d1c64a7b36d131ca233b31c93883635786983b5dc6dc85

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/02/2025, 20:44

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General

Target

2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe
Size

12.2MB
MD5

a14b0c4cf5bd99dfacbb10f4c05534ed
SHA1

9f6968a694785a955adeee2bfb1ae64f9f9434bb
SHA256

3481c90a5b2c635e28d1c64a7b36d131ca233b31c93883635786983b5dc6dc85
SHA512

dcf73e0e6c36090e059b6cb856a2046ea2dc7e397f08aa427efeada85ac3aecf3d57d7bd3296f3cc39ee7da03be13bc0cab3695472e0c8d2b7325f8ca007d8f3
SSDEEP

24576:h6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ4:IWdLQkC

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\adagfznx = "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
2432	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\adagfznx\ImagePath = "C:\\Windows\\SysWOW64\\adagfznx\\foinfezv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	foinfezv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2840	2764	foinfezv.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2704	sc.exe
2748	sc.exe
2872	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	foinfezv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2884	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	30
PID 2516 wrote to memory of 2884	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	30
PID 2516 wrote to memory of 2884	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	30
PID 2516 wrote to memory of 2884	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	30
PID 2516 wrote to memory of 1792	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	32
PID 2516 wrote to memory of 1792	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	32
PID 2516 wrote to memory of 1792	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	32
PID 2516 wrote to memory of 1792	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	32
PID 2516 wrote to memory of 2704	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	34
PID 2516 wrote to memory of 2704	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	34
PID 2516 wrote to memory of 2704	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	34
PID 2516 wrote to memory of 2704	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	34
PID 2516 wrote to memory of 2748	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	36
PID 2516 wrote to memory of 2748	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	36
PID 2516 wrote to memory of 2748	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	36
PID 2516 wrote to memory of 2748	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	36
PID 2516 wrote to memory of 2872	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	38
PID 2516 wrote to memory of 2872	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	38
PID 2516 wrote to memory of 2872	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	38
PID 2516 wrote to memory of 2872	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	38
PID 2764 wrote to memory of 2840	2764	foinfezv.exe	41
PID 2764 wrote to memory of 2840	2764	foinfezv.exe	41
PID 2764 wrote to memory of 2840	2764	foinfezv.exe	41
PID 2764 wrote to memory of 2840	2764	foinfezv.exe	41
PID 2764 wrote to memory of 2840	2764	foinfezv.exe	41
PID 2764 wrote to memory of 2840	2764	foinfezv.exe	41
PID 2516 wrote to memory of 2432	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	42
PID 2516 wrote to memory of 2432	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	42
PID 2516 wrote to memory of 2432	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	42
PID 2516 wrote to memory of 2432	2516	2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\adagfznx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\foinfezv.exe" C:\Windows\SysWOW64\adagfznx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create adagfznx binPath= "C:\Windows\SysWOW64\adagfznx\foinfezv.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description adagfznx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start adagfznx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- 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:2432

C:\Windows\SysWOW64\adagfznx\foinfezv.exe
C:\Windows\SysWOW64\adagfznx\foinfezv.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_a14b0c4cf5bd99dfacbb10f4c05534ed_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2840

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\foinfezv.exe

Filesize
12.0MB

MD5
10a8518b5c2927b850d8cd281e436363

SHA1
ff52af2c96f4785eebd02f2536195895191b5e32

SHA256
11ffc932e5b155319c9f16e11b5255b4e572e24829b08c66de5a0141c33441f7

SHA512
06332366713ac607dcd45d98b96117bc922502e9d540bdebd0cc0782a968c117a5db8b0450234941df9df863374f77c5b811c0618faf3a341cd24ba1477c71ee

Download Submit
memory/2516-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2516-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2516-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2516-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2516-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2516-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2764-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2840-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads