tofsee | 0fb958399a74f6783531d898810c0ef8321202faef41ff2305b12fdc7608efd3

General

Target

2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe
Size

14.4MB
MD5

f07b62909994c17b21feba82b3fcdfd4
SHA1

0bd5d33a12f7133ce2e9b43e6dd8632b6f9d3ad9
SHA256

0fb958399a74f6783531d898810c0ef8321202faef41ff2305b12fdc7608efd3
SHA512

95dd8d8eefa1ea9b25a396906dedd45b0462c46dc2347136642eb1e0c80c86a1ba5735c01efa34aa8e08b594cec2d5615daeff1ab2eaaf2708b18ea52f2fd8fa
SSDEEP

393216:VXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

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
1572	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\qynwzpqp\ImagePath = "C:\\Windows\\SysWOW64\\qynwzpqp\\lxwkvfnh.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-1-5-21-2508704002-2325818048-3575902788-1000\Control Panel\International\Geo\Nation	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe

Deletes itself 1 IoCs

pid	Process
1916	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4632	lxwkvfnh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4632 set thread context of 1916	4632	lxwkvfnh.exe	105

Launches sc.exe 3 IoCs

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

pid	Process
4980	sc.exe
3384	sc.exe
4488	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 10 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	lxwkvfnh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3696	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2068	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	90
PID 3832 wrote to memory of 2068	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	90
PID 3832 wrote to memory of 2068	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	90
PID 3832 wrote to memory of 4860	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	94
PID 3832 wrote to memory of 4860	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	94
PID 3832 wrote to memory of 4860	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	94
PID 3832 wrote to memory of 4980	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	96
PID 3832 wrote to memory of 4980	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	96
PID 3832 wrote to memory of 4980	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	96
PID 3832 wrote to memory of 3384	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	98
PID 3832 wrote to memory of 3384	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	98
PID 3832 wrote to memory of 3384	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	98
PID 3832 wrote to memory of 4488	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	100
PID 3832 wrote to memory of 4488	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	100
PID 3832 wrote to memory of 4488	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	100
PID 3832 wrote to memory of 1572	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	103
PID 3832 wrote to memory of 1572	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	103
PID 3832 wrote to memory of 1572	3832	2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe	103
PID 4632 wrote to memory of 1916	4632	lxwkvfnh.exe	105
PID 4632 wrote to memory of 1916	4632	lxwkvfnh.exe	105
PID 4632 wrote to memory of 1916	4632	lxwkvfnh.exe	105
PID 4632 wrote to memory of 1916	4632	lxwkvfnh.exe	105
PID 4632 wrote to memory of 1916	4632	lxwkvfnh.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qynwzpqp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lxwkvfnh.exe" C:\Windows\SysWOW64\qynwzpqp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qynwzpqp binPath= "C:\Windows\SysWOW64\qynwzpqp\lxwkvfnh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qynwzpqp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qynwzpqp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4488
- 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:1572

C:\Windows\SysWOW64\qynwzpqp\lxwkvfnh.exe
C:\Windows\SysWOW64\qynwzpqp\lxwkvfnh.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-13_f07b62909994c17b21feba82b3fcdfd4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1916

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjg2NDYxMzgwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3696

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.4MB

MD5
f8cf2bd6d492d46830ba02c5721efa7a

SHA1
ed4d5552cc97bb0c0ad009208afdb0c13f8c79fa

SHA256
21d1bc4c8dd7e61c5837749996350c4e071a504b8e51f2028f90a193ab60f6da

SHA512
a50acf7541db0181641ee0e37ae9e3ebfa733e1bffc1447fdf0f225c441f7d2a1641fcb28497d5b4cfbe2c0c1d33d89d01c7d745cb8504fda383b1a4caa4d2f2

Download Submit
memory/1916-13-0x0000000000910000-0x0000000000925000-memory.dmp

Filesize
84KB

Download
memory/1916-21-0x0000000000910000-0x0000000000925000-memory.dmp

Filesize
84KB

Download
memory/1916-20-0x0000000000910000-0x0000000000925000-memory.dmp

Filesize
84KB

Download
memory/1916-17-0x0000000000910000-0x0000000000925000-memory.dmp

Filesize
84KB

Download
memory/1916-16-0x0000000000910000-0x0000000000925000-memory.dmp

Filesize
84KB

Download
memory/3832-10-0x0000000000690000-0x00000000006A3000-memory.dmp

Filesize
76KB

Download
memory/3832-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/3832-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3832-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3832-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3832-2-0x0000000000690000-0x00000000006A3000-memory.dmp

Filesize
76KB

Download
memory/4632-19-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4632-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4632-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads