tofsee | 7a96ac5f36fc5e85291718d7b40bc1772b117e053283377c57ffdb334343eb73

General

Target

2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe
Size

12.2MB
MD5

df29f17ddbdcf4309cf4d72680cda284
SHA1

fbacf3a1f058a9d1fe0a0f6d4c018e6b4288dabb
SHA256

7a96ac5f36fc5e85291718d7b40bc1772b117e053283377c57ffdb334343eb73
SHA512

37fef1fbaf418cd45637dc7e17b0cda80966dc44bbf189c1d9f51ec9600bc41b49cf02bda2f7395b87f28ae45ab4ff260ab5bfea9f8543d5e63ac21500b6372a
SSDEEP

24576:PEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZT:Mfoth

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
30	4516	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1760	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\qfplxvbf\ImagePath = "C:\\Windows\\SysWOW64\\qfplxvbf\\lngryguk.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-1-5-21-194335498-2604837297-537231065-1000\Control Panel\International\Geo\Nation	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe

Deletes itself 1 IoCs

pid	Process
5032	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	lngryguk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 5032	2384	lngryguk.exe	106

Launches sc.exe 3 IoCs

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

pid	Process
4552	sc.exe
3632	sc.exe
2024	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
5080	3140	WerFault.exe	85
4636	2384	WerFault.exe	100

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lngryguk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_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	sc.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
3836	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 2952	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	90
PID 3140 wrote to memory of 2952	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	90
PID 3140 wrote to memory of 2952	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	90
PID 3140 wrote to memory of 2500	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	92
PID 3140 wrote to memory of 2500	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	92
PID 3140 wrote to memory of 2500	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	92
PID 3140 wrote to memory of 2024	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	94
PID 3140 wrote to memory of 2024	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	94
PID 3140 wrote to memory of 2024	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	94
PID 3140 wrote to memory of 4552	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	96
PID 3140 wrote to memory of 4552	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	96
PID 3140 wrote to memory of 4552	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	96
PID 3140 wrote to memory of 3632	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	98
PID 3140 wrote to memory of 3632	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	98
PID 3140 wrote to memory of 3632	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	98
PID 3140 wrote to memory of 1760	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	101
PID 3140 wrote to memory of 1760	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	101
PID 3140 wrote to memory of 1760	3140	2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe	101
PID 2384 wrote to memory of 5032	2384	lngryguk.exe	106
PID 2384 wrote to memory of 5032	2384	lngryguk.exe	106
PID 2384 wrote to memory of 5032	2384	lngryguk.exe	106
PID 2384 wrote to memory of 5032	2384	lngryguk.exe	106
PID 2384 wrote to memory of 5032	2384	lngryguk.exe	106

C:\Users\Admin\AppData\Local\Temp\2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfplxvbf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lngryguk.exe" C:\Windows\SysWOW64\qfplxvbf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qfplxvbf binPath= "C:\Windows\SysWOW64\qfplxvbf\lngryguk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qfplxvbf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4552
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qfplxvbf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3632
- 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:1760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1040
  2⤵
  - Program crash
  PID:5080

C:\Windows\SysWOW64\qfplxvbf\lngryguk.exe
C:\Windows\SysWOW64\qfplxvbf\lngryguk.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_df29f17ddbdcf4309cf4d72680cda284_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:5032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 512
  2⤵
  - Program crash
  PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3140 -ip 3140
1⤵
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2384 -ip 2384
1⤵
PID:4388

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTkzNDE1OTM4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3836

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\lngryguk.exe

Filesize
13.6MB

MD5
126867a2cf0d590f65b90107bb73a004

SHA1
65b0fad0fbe1e188121a4e2eeebc823aa9056eff

SHA256
5869200651f8d0509dbc3427d1b43428fe8579d65707b093107198e1c42db5ee

SHA512
2f62c8a342ec05c710f9e845fdb0e00d838cd5b3766bdf7fe0f9588b7a5bf086588a7064cfeff0350d6edf706266224194dd7a9c2e480167b33b89c29bf3ddd4

Download Submit
memory/2384-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2384-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2384-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2384-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3140-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3140-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3140-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3140-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3140-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3140-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/5032-14-0x0000000001200000-0x0000000001215000-memory.dmp

Filesize
84KB

Download
memory/5032-16-0x0000000001200000-0x0000000001215000-memory.dmp

Filesize
84KB

Download
memory/5032-17-0x0000000001200000-0x0000000001215000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads