tofsee | be6031c4de531027b645eed3b6cfd28a1504644e6693093cb762b7969fee1d18

General

Target

2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe
Size

10.3MB
MD5

e64a3663c52fa61452d7103dcbb5e63e
SHA1

9c00f567f066441207e129554ddeb126750db094
SHA256

be6031c4de531027b645eed3b6cfd28a1504644e6693093cb762b7969fee1d18
SHA512

75e54f96d811fe949b3a198baf78e59bcbd9b4a0bb2c0348465c1da2cd22677eacca79a57dbde8c7fef212836106625a1451941fce2299c4c61c4140687bd993
SSDEEP

196608:6yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:vXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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
2096	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\lpcwegdk\ImagePath = "C:\\Windows\\SysWOW64\\lpcwegdk\\jfxxujiw.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe

Deletes itself 1 IoCs

pid	Process
3684	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
968	jfxxujiw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 968 set thread context of 3684	968	jfxxujiw.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
432	sc.exe
1224	sc.exe
4844	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	jfxxujiw.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 3604	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	83
PID 2304 wrote to memory of 3604	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	83
PID 2304 wrote to memory of 3604	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	83
PID 2304 wrote to memory of 2608	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	85
PID 2304 wrote to memory of 2608	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	85
PID 2304 wrote to memory of 2608	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	85
PID 2304 wrote to memory of 432	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	87
PID 2304 wrote to memory of 432	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	87
PID 2304 wrote to memory of 432	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	87
PID 2304 wrote to memory of 1224	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	90
PID 2304 wrote to memory of 1224	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	90
PID 2304 wrote to memory of 1224	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	90
PID 2304 wrote to memory of 4844	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	92
PID 2304 wrote to memory of 4844	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	92
PID 2304 wrote to memory of 4844	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	92
PID 968 wrote to memory of 3684	968	jfxxujiw.exe	95
PID 968 wrote to memory of 3684	968	jfxxujiw.exe	95
PID 968 wrote to memory of 3684	968	jfxxujiw.exe	95
PID 968 wrote to memory of 3684	968	jfxxujiw.exe	95
PID 968 wrote to memory of 3684	968	jfxxujiw.exe	95
PID 2304 wrote to memory of 2096	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	96
PID 2304 wrote to memory of 2096	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	96
PID 2304 wrote to memory of 2096	2304	2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lpcwegdk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jfxxujiw.exe" C:\Windows\SysWOW64\lpcwegdk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lpcwegdk binPath= "C:\Windows\SysWOW64\lpcwegdk\jfxxujiw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:432
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lpcwegdk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1224
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lpcwegdk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4844
- 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:2096

C:\Windows\SysWOW64\lpcwegdk\jfxxujiw.exe
C:\Windows\SysWOW64\lpcwegdk\jfxxujiw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_e64a3663c52fa61452d7103dcbb5e63e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3684

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\jfxxujiw.exe

Filesize
12.6MB

MD5
f459bea29e6b053f0579414f1567e7f5

SHA1
b3c21498ac4bf3e3f92b5b9b8e46abf8d0f8491f

SHA256
07cd63a39bc7e39cc04f8ae3833efba10b921cf741fd1b73ab2fbdd2499a639d

SHA512
40ad31fc9bb62d32b61f9dda1efce44d4194c3c23edfc6bc33798a65f4cfc77015f1b2bfbc660d310d3cbcf8cde9ac6c7fffca02a8db1bb3202dfcb64251f66b

Download Submit
memory/968-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/968-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/968-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/968-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2304-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2304-19-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/2304-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2304-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/2304-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2304-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2304-16-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/3684-11-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/3684-17-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/3684-21-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/3684-22-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/3684-23-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads