tofsee | 06bd0dc28db9c7f463fd3c178a0eef882b4cdbff118d95389b1cafa8ab93e617

General

Target

2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe
Size

11.1MB
MD5

f48605f506b20afc9f3bc5a77d0c373f
SHA1

e1bcbb011c3ed1496a13314bc72cf1700b2f7e96
SHA256

06bd0dc28db9c7f463fd3c178a0eef882b4cdbff118d95389b1cafa8ab93e617
SHA512

cd8cf10385f06585196dfc18e3a548972b2274aeb4404ce6b58aedc36139190cade4d2d35387bda48895551beb2d35d82ad13a3edf0d7870d592bca5725a4f19
SSDEEP

196608:/yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:aXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3

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
4708	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\vqfusmsn\ImagePath = "C:\\Windows\\SysWOW64\\vqfusmsn\\kpzuoaxz.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	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe

Deletes itself 1 IoCs

pid	Process
4388	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2244	kpzuoaxz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 4388	2244	kpzuoaxz.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
208	sc.exe
1992	sc.exe
5068	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_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	kpzuoaxz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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 3196 wrote to memory of 1564	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	86
PID 3196 wrote to memory of 1564	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	86
PID 3196 wrote to memory of 1564	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	86
PID 3196 wrote to memory of 2500	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	88
PID 3196 wrote to memory of 2500	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	88
PID 3196 wrote to memory of 2500	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	88
PID 3196 wrote to memory of 208	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	90
PID 3196 wrote to memory of 208	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	90
PID 3196 wrote to memory of 208	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	90
PID 3196 wrote to memory of 1992	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	92
PID 3196 wrote to memory of 1992	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	92
PID 3196 wrote to memory of 1992	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	92
PID 3196 wrote to memory of 5068	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	94
PID 3196 wrote to memory of 5068	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	94
PID 3196 wrote to memory of 5068	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	94
PID 2244 wrote to memory of 4388	2244	kpzuoaxz.exe	97
PID 2244 wrote to memory of 4388	2244	kpzuoaxz.exe	97
PID 2244 wrote to memory of 4388	2244	kpzuoaxz.exe	97
PID 2244 wrote to memory of 4388	2244	kpzuoaxz.exe	97
PID 2244 wrote to memory of 4388	2244	kpzuoaxz.exe	97
PID 3196 wrote to memory of 4708	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	98
PID 3196 wrote to memory of 4708	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	98
PID 3196 wrote to memory of 4708	3196	2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vqfusmsn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpzuoaxz.exe" C:\Windows\SysWOW64\vqfusmsn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vqfusmsn binPath= "C:\Windows\SysWOW64\vqfusmsn\kpzuoaxz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vqfusmsn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vqfusmsn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5068
- 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:4708

C:\Windows\SysWOW64\vqfusmsn\kpzuoaxz.exe
C:\Windows\SysWOW64\vqfusmsn\kpzuoaxz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_f48605f506b20afc9f3bc5a77d0c373f_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4388

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\kpzuoaxz.exe

Filesize
13.4MB

MD5
662f5705e23d33807b11b5988f1d8c43

SHA1
4afada49161f2128fb961e2add04fa793c8525fd

SHA256
9c1397d56792ead6f2d4e338c2306bb4f07189e380ef131f15405bf463918ea7

SHA512
b8f606480e82b9a4e9ad6ef83dfed6b9f4d79dd7b689699186df16014554f82f20627da316485dd0b0447a213406490028e8bca2ef9a12e3baf3f5a6af8bdad0

Download Submit
memory/2244-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2244-16-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2244-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2244-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3196-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3196-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3196-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/3196-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3196-18-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/3196-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/4388-11-0x00000000004D0000-0x00000000004E5000-memory.dmp

Filesize
84KB

Download
memory/4388-14-0x00000000004D0000-0x00000000004E5000-memory.dmp

Filesize
84KB

Download
memory/4388-20-0x00000000004D0000-0x00000000004E5000-memory.dmp

Filesize
84KB

Download
memory/4388-21-0x00000000004D0000-0x00000000004E5000-memory.dmp

Filesize
84KB

Download
memory/4388-22-0x00000000004D0000-0x00000000004E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads