tofsee | 1bb650a6c4cd6b7add0ee19a3c522fe5b2aca7b6b397fc5ac783f66a77b39ce0

General

Target

2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe
Size

12.1MB
MD5

65eb609b0bfbc522d61983c5679fc9b0
SHA1

632ba9c0cd6343cfadb0c5c9977debcede266982
SHA256

1bb650a6c4cd6b7add0ee19a3c522fe5b2aca7b6b397fc5ac783f66a77b39ce0
SHA512

b3d59fcc8906931f55787197302c6c70461be55eb7d03f1a6a3b6f870acfd0d8bdde9c92b811a7e05e0043b2c70e01cb615c954fc2c3bc92f9b9e91ce465b470
SSDEEP

49152:pLFuiE888888888888888888888888888888888888888888888888888888888M:pLM

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
1532	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\oqnpwvwi\ImagePath = "C:\\Windows\\SysWOW64\\oqnpwvwi\\qmeebqpd.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe

Deletes itself 1 IoCs

pid	Process
2236	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	qmeebqpd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2236	2540	qmeebqpd.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
3128	sc.exe
1236	sc.exe
4404	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qmeebqpd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 984	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	86
PID 5032 wrote to memory of 984	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	86
PID 5032 wrote to memory of 984	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	86
PID 5032 wrote to memory of 2940	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	88
PID 5032 wrote to memory of 2940	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	88
PID 5032 wrote to memory of 2940	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	88
PID 5032 wrote to memory of 3128	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	90
PID 5032 wrote to memory of 3128	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	90
PID 5032 wrote to memory of 3128	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	90
PID 5032 wrote to memory of 1236	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	92
PID 5032 wrote to memory of 1236	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	92
PID 5032 wrote to memory of 1236	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	92
PID 5032 wrote to memory of 4404	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	94
PID 5032 wrote to memory of 4404	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	94
PID 5032 wrote to memory of 4404	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	94
PID 5032 wrote to memory of 1532	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	97
PID 5032 wrote to memory of 1532	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	97
PID 5032 wrote to memory of 1532	5032	2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe	97
PID 2540 wrote to memory of 2236	2540	qmeebqpd.exe	99
PID 2540 wrote to memory of 2236	2540	qmeebqpd.exe	99
PID 2540 wrote to memory of 2236	2540	qmeebqpd.exe	99
PID 2540 wrote to memory of 2236	2540	qmeebqpd.exe	99
PID 2540 wrote to memory of 2236	2540	qmeebqpd.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oqnpwvwi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qmeebqpd.exe" C:\Windows\SysWOW64\oqnpwvwi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create oqnpwvwi binPath= "C:\Windows\SysWOW64\oqnpwvwi\qmeebqpd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description oqnpwvwi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1236
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start oqnpwvwi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4404
- 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:1532

C:\Windows\SysWOW64\oqnpwvwi\qmeebqpd.exe
C:\Windows\SysWOW64\oqnpwvwi\qmeebqpd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_65eb609b0bfbc522d61983c5679fc9b0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2236

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\qmeebqpd.exe

Filesize
11.5MB

MD5
079d8aa06b1356775a8cc97469a3d82a

SHA1
5d52719c2fec2bfa9f6efac38218f373009e1794

SHA256
50ad16e6201a3f60233798861d810da154ab95cae999b7ff4265250ff06d59c1

SHA512
b98e7bc9b137e991097b9fbf4f941c6bc2875e3dd4c619890298ce52e028dc7c46b087ba473ea13b05322458b2b9f868ceaa9bd1eb81b7873ae32a7a722ba8b3

Download Submit
memory/2236-11-0x0000000000C70000-0x0000000000C85000-memory.dmp

Filesize
84KB

Download
memory/2236-14-0x0000000000C70000-0x0000000000C85000-memory.dmp

Filesize
84KB

Download
memory/2236-15-0x0000000000C70000-0x0000000000C85000-memory.dmp

Filesize
84KB

Download
memory/2540-13-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/5032-2-0x0000000002FE0000-0x0000000002FF3000-memory.dmp

Filesize
76KB

Download
memory/5032-1-0x00000000030C0000-0x00000000031C0000-memory.dmp

Filesize
1024KB

Download
memory/5032-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5032-9-0x0000000002FE0000-0x0000000002FF3000-memory.dmp

Filesize
76KB

Download
memory/5032-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5032-8-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads