tofsee | bb320fd8ce9b6b27201b8065281e0ad329e88519675ea7b7601cc64c5ce1c169

General

Target

2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe
Size

11.2MB
MD5

3d142e9d5a6433822df80d30a7a57357
SHA1

b6934545343f53c081d191a903db1f4809f03ade
SHA256

bb320fd8ce9b6b27201b8065281e0ad329e88519675ea7b7601cc64c5ce1c169
SHA512

9e58263c33e372760fd542e75c0bbddd7c1c5463dd03f820e8a3708946cf033d2a359faff69b13d106a5a7959cd376af8ce7ae6b5e76b0d46c99ec3f55d46461
SSDEEP

12288:AVbj7zJB99tzBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBZ:AJzXd

Score

10^/10

tofsee discovery evasion 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
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

3168 netsh.exe

pid	process
3168	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\pispjrai\ImagePath = "C:\\Windows\\SysWOW64\\pispjrai\\fwszqptx.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

Processes:

2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

4872 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

fwszqptx.exe

pid process

920 fwszqptx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

fwszqptx.exe

description pid process target process

PID 920 set thread context of 4872 920 fwszqptx.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

1460 sc.exe
1948 sc.exe
5008 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4872	svchost.exe

pid	process
920	fwszqptx.exe

description	pid	process	target process
PID 920 set thread context of 4872	920	fwszqptx.exe	svchost.exe

pid	process
1460	sc.exe
1948	sc.exe
5008	sc.exe

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

Processes:

netsh.exe

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

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

Processes:

2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exenetsh.exefwszqptx.exesvchost.execmd.execmd.exesc.exesc.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fwszqptx.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	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

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exefwszqptx.exe

description	pid	process	target process
PID 4496 wrote to memory of 2324	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	cmd.exe
PID 4496 wrote to memory of 2324	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	cmd.exe
PID 4496 wrote to memory of 2324	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	cmd.exe
PID 4496 wrote to memory of 2100	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	cmd.exe
PID 4496 wrote to memory of 2100	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	cmd.exe
PID 4496 wrote to memory of 2100	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	cmd.exe
PID 4496 wrote to memory of 1460	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 1460	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 1460	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 1948	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 1948	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 1948	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 5008	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 5008	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 5008	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	sc.exe
PID 4496 wrote to memory of 3168	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	netsh.exe
PID 4496 wrote to memory of 3168	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	netsh.exe
PID 4496 wrote to memory of 3168	4496	2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe	netsh.exe
PID 920 wrote to memory of 4872	920	fwszqptx.exe	svchost.exe
PID 920 wrote to memory of 4872	920	fwszqptx.exe	svchost.exe
PID 920 wrote to memory of 4872	920	fwszqptx.exe	svchost.exe
PID 920 wrote to memory of 4872	920	fwszqptx.exe	svchost.exe
PID 920 wrote to memory of 4872	920	fwszqptx.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pispjrai\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fwszqptx.exe" C:\Windows\SysWOW64\pispjrai\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pispjrai binPath= "C:\Windows\SysWOW64\pispjrai\fwszqptx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pispjrai "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pispjrai
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5008
- 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:3168

C:\Windows\SysWOW64\pispjrai\fwszqptx.exe
C:\Windows\SysWOW64\pispjrai\fwszqptx.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-09-21_3d142e9d5a6433822df80d30a7a57357_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4872

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\fwszqptx.exe

Filesize
11.8MB

MD5
56b2b9c3203711efe7c539d73a33fe48

SHA1
6699c547594c33756c320d07341a54739f08559c

SHA256
4a5d79d61886eee7056d67cf46ea740da844e92e6c323cd81fdc0b3e2d3143d0

SHA512
0ba0e984f609e3b3e6f4b315def90f0311d1c336c6bfaee2c748eb20bf2c80aa1d0b2690901ed1df22f65d5624383b8415223bc39dbb66144fad0606d6ed0a96

Download Submit
memory/920-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/920-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/920-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/920-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4496-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4496-2-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/4496-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4496-8-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/4496-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4496-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/4872-14-0x0000000001210000-0x0000000001225000-memory.dmp

Filesize
84KB

Download
memory/4872-18-0x0000000001210000-0x0000000001225000-memory.dmp

Filesize
84KB

Download
memory/4872-19-0x0000000001210000-0x0000000001225000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads