tofsee | 75a857069aaef2b13e4faac2eaf67423fa9f58e65246dddbc075be0e140efc95

General

Target

2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe
Size

12.4MB
MD5

35d3b58bc47cf0fbbe92b17ef7c2a278
SHA1

05093f1a1d9c8c53a92e08d297ef86dec093201c
SHA256

75a857069aaef2b13e4faac2eaf67423fa9f58e65246dddbc075be0e140efc95
SHA512

32d770ff08e03312aebbfa75ba9b797d26e7c7c692ab29966e206a1f5b42ac14fd32eac5f25fac0b8ee51ec49503444d0a25605694995ebc73880b37bcb92a6d
SSDEEP

6144:bLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ4:wTYe+D2jFu+iZoUFhAz

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
3520	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\vqevcfpp\ImagePath = "C:\\Windows\\SysWOW64\\vqevcfpp\\jlgmfsc.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe

Deletes itself 1 IoCs

pid	Process
1860	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3648	jlgmfsc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 1860	3648	jlgmfsc.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
2804	sc.exe
4112	sc.exe
2608	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
3592	4792	WerFault.exe	83
3488	3648	WerFault.exe	96

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jlgmfsc.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 740	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	86
PID 4792 wrote to memory of 740	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	86
PID 4792 wrote to memory of 740	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	86
PID 4792 wrote to memory of 2556	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	88
PID 4792 wrote to memory of 2556	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	88
PID 4792 wrote to memory of 2556	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	88
PID 4792 wrote to memory of 2804	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	90
PID 4792 wrote to memory of 2804	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	90
PID 4792 wrote to memory of 2804	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	90
PID 4792 wrote to memory of 4112	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	92
PID 4792 wrote to memory of 4112	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	92
PID 4792 wrote to memory of 4112	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	92
PID 4792 wrote to memory of 2608	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	94
PID 4792 wrote to memory of 2608	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	94
PID 4792 wrote to memory of 2608	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	94
PID 4792 wrote to memory of 3520	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	97
PID 4792 wrote to memory of 3520	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	97
PID 4792 wrote to memory of 3520	4792	2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe	97
PID 3648 wrote to memory of 1860	3648	jlgmfsc.exe	102
PID 3648 wrote to memory of 1860	3648	jlgmfsc.exe	102
PID 3648 wrote to memory of 1860	3648	jlgmfsc.exe	102
PID 3648 wrote to memory of 1860	3648	jlgmfsc.exe	102
PID 3648 wrote to memory of 1860	3648	jlgmfsc.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vqevcfpp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jlgmfsc.exe" C:\Windows\SysWOW64\vqevcfpp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vqevcfpp binPath= "C:\Windows\SysWOW64\vqevcfpp\jlgmfsc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vqevcfpp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vqevcfpp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2608
- 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:3520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 580
  2⤵
  - Program crash
  PID:3592

C:\Windows\SysWOW64\vqevcfpp\jlgmfsc.exe
C:\Windows\SysWOW64\vqevcfpp\jlgmfsc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_35d3b58bc47cf0fbbe92b17ef7c2a278_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 528
  2⤵
  - Program crash
  PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4792 -ip 4792
1⤵
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3648 -ip 3648
1⤵
PID:2624

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

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Downloads

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

Filesize
10.9MB

MD5
9acc76a82b633ac67bcf98e0b43974d4

SHA1
cb1fd30661ef9c08defb40a8fbfabe90b35aaff4

SHA256
890e8c70cabda2b1ada8df003d1cfd16d371f75d0c75371e8c246459ed29baba

SHA512
f4c217be1e942ac45727352be2726733bd9daad4b66ee0842139fd7e9a0f7474d9977177d8d3d450b7eef45288d00348ff81ca4ada9b3d745f6839d975362790

Download Submit
memory/1860-13-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/1860-18-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/1860-20-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/1860-19-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/1860-10-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/3648-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3648-9-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3648-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4792-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/4792-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4792-15-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/4792-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4792-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/4792-2-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads