tofsee | 0057487f203f8cef19e5359b19b2c7ce04933cb01c762409115847e976aaa274

General

Target

2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe
Size

11.7MB
MD5

38a226e27ea670bcda1d696d31180d0e
SHA1

05b0084bd2fe7a9ebcf43d13b394d71d7e41cbd9
SHA256

0057487f203f8cef19e5359b19b2c7ce04933cb01c762409115847e976aaa274
SHA512

2578cd17242c6d5d1b7c3c367b33480a33857d9596d78088fcfe5ae8959b2264826446ffdc16d508ad23eaac18673a2d8ecb6003dff9f4c6c933541a2667b7f4
SSDEEP

24576:06WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ2:ZWdLQks

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4308	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\qauseszh\ImagePath = "C:\\Windows\\SysWOW64\\qauseszh\\zzalghfn.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe

Deletes itself 1 IoCs

pid	Process
3180	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4240	zzalghfn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4240 set thread context of 3180	4240	zzalghfn.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
1112	sc.exe
1256	sc.exe
3992	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5088	4532	WerFault.exe	81
1560	4240	WerFault.exe	94

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	2025-01-29_38a226e27ea670bcda1d696d31180d0e_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	zzalghfn.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 3876	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	82
PID 4532 wrote to memory of 3876	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	82
PID 4532 wrote to memory of 3876	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	82
PID 4532 wrote to memory of 4560	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	84
PID 4532 wrote to memory of 4560	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	84
PID 4532 wrote to memory of 4560	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	84
PID 4532 wrote to memory of 1112	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	86
PID 4532 wrote to memory of 1112	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	86
PID 4532 wrote to memory of 1112	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	86
PID 4532 wrote to memory of 1256	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	90
PID 4532 wrote to memory of 1256	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	90
PID 4532 wrote to memory of 1256	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	90
PID 4532 wrote to memory of 3992	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	92
PID 4532 wrote to memory of 3992	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	92
PID 4532 wrote to memory of 3992	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	92
PID 4532 wrote to memory of 4308	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	96
PID 4532 wrote to memory of 4308	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	96
PID 4532 wrote to memory of 4308	4532	2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe	96
PID 4240 wrote to memory of 3180	4240	zzalghfn.exe	102
PID 4240 wrote to memory of 3180	4240	zzalghfn.exe	102
PID 4240 wrote to memory of 3180	4240	zzalghfn.exe	102
PID 4240 wrote to memory of 3180	4240	zzalghfn.exe	102
PID 4240 wrote to memory of 3180	4240	zzalghfn.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qauseszh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3876
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zzalghfn.exe" C:\Windows\SysWOW64\qauseszh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qauseszh binPath= "C:\Windows\SysWOW64\qauseszh\zzalghfn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qauseszh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qauseszh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3992
- 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:4308
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 592
  2⤵
  - Program crash
  PID:5088

C:\Windows\SysWOW64\qauseszh\zzalghfn.exe
C:\Windows\SysWOW64\qauseszh\zzalghfn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-29_38a226e27ea670bcda1d696d31180d0e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 532
  2⤵
  - Program crash
  PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4532 -ip 4532
1⤵
PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4240 -ip 4240
1⤵
PID:4844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\zzalghfn.exe

Filesize
10.5MB

MD5
ae775a39ce16b23b421a5295ee639d63

SHA1
3aa5dd655cbe165dc807a92c83d0cbfd205a680a

SHA256
18a9992d963c57c7291a541e270d955311686141c7d5c7ff9eb21a1d0ce1ec40

SHA512
d3f995f88b3c9dbcbec9a2682b4888bb19808850e7da7563f7b786a6b3183d0eea8b299fa4248e510069ac582ce1404162de41a7735425a61ea014fece8368f2

Download Submit
memory/3180-14-0x00000000008F0000-0x0000000000905000-memory.dmp

Filesize
84KB

Download
memory/3180-17-0x00000000008F0000-0x0000000000905000-memory.dmp

Filesize
84KB

Download
memory/3180-16-0x00000000008F0000-0x0000000000905000-memory.dmp

Filesize
84KB

Download
memory/4240-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4240-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4240-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4240-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4532-8-0x0000000000880000-0x0000000000893000-memory.dmp

Filesize
76KB

Download
memory/4532-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4532-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/4532-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4532-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4532-2-0x0000000000880000-0x0000000000893000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads