tofsee | 8e7faa4458b235590284e4cdff116f603c2cab6821e2c0438942cb20660d6c69

General

Target

2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe
Size

14.2MB
MD5

814ff45a7fb2ae5f8801776025a74043
SHA1

defdb8faa92df4c3e0a34e38ab03ad62a80b9a6e
SHA256

8e7faa4458b235590284e4cdff116f603c2cab6821e2c0438942cb20660d6c69
SHA512

e2c0d6cf35214b833fc1df59f5978c89ffb5e7c3f28bd962ccc972208b36a4763f7783c2ed6f0fde0764a9e4b330511401cad5fe8f36160e89897bff47aa0649
SSDEEP

3072:ULBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:ROMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
2536	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\jmvhqpzz\ImagePath = "C:\\Windows\\SysWOW64\\jmvhqpzz\\lckisnui.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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe

Deletes itself 1 IoCs

pid	Process
4364	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3836	lckisnui.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3836 set thread context of 4364	3836	lckisnui.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
2200	sc.exe
2748	sc.exe
4616	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
2396	2024	WerFault.exe	86
3012	3836	WerFault.exe	98

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_814ff45a7fb2ae5f8801776025a74043_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	lckisnui.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 4404	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	88
PID 2024 wrote to memory of 4404	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	88
PID 2024 wrote to memory of 4404	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	88
PID 2024 wrote to memory of 5068	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	90
PID 2024 wrote to memory of 5068	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	90
PID 2024 wrote to memory of 5068	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	90
PID 2024 wrote to memory of 4616	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	92
PID 2024 wrote to memory of 4616	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	92
PID 2024 wrote to memory of 4616	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	92
PID 2024 wrote to memory of 2200	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	94
PID 2024 wrote to memory of 2200	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	94
PID 2024 wrote to memory of 2200	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	94
PID 2024 wrote to memory of 2748	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	96
PID 2024 wrote to memory of 2748	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	96
PID 2024 wrote to memory of 2748	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	96
PID 2024 wrote to memory of 2536	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	99
PID 2024 wrote to memory of 2536	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	99
PID 2024 wrote to memory of 2536	2024	2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe	99
PID 3836 wrote to memory of 4364	3836	lckisnui.exe	104
PID 3836 wrote to memory of 4364	3836	lckisnui.exe	104
PID 3836 wrote to memory of 4364	3836	lckisnui.exe	104
PID 3836 wrote to memory of 4364	3836	lckisnui.exe	104
PID 3836 wrote to memory of 4364	3836	lckisnui.exe	104

C:\Users\Admin\AppData\Local\Temp\2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jmvhqpzz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lckisnui.exe" C:\Windows\SysWOW64\jmvhqpzz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jmvhqpzz binPath= "C:\Windows\SysWOW64\jmvhqpzz\lckisnui.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jmvhqpzz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jmvhqpzz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- 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:2536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 1036
  2⤵
  - Program crash
  PID:2396

C:\Windows\SysWOW64\jmvhqpzz\lckisnui.exe
C:\Windows\SysWOW64\jmvhqpzz\lckisnui.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_814ff45a7fb2ae5f8801776025a74043_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 512
  2⤵
  - Program crash
  PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2024 -ip 2024
1⤵
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3836 -ip 3836
1⤵
PID:4864

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\lckisnui.exe

Filesize
11.3MB

MD5
31e4e57475c08d7911c502879e7991ea

SHA1
a5e2705abdf165d3b44da6875eb4ba9fd98e93f6

SHA256
fd2937edbb80b042765fbdf4083685eb2423a581971af754f924e0dd1fe783ab

SHA512
43d0df2b70a194ebd59137e43aa572d4552bf2eb08ed8f3bf1e3a0e88fd37eeffbfb65af5d6cd348d7bb2104cd5d8fcfb4deee4515f61e5cd38550a08df6a047

Download Submit
memory/2024-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2024-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2024-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2024-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/3836-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3836-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3836-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3836-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4364-14-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/4364-16-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/4364-17-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads