tofsee | 26cbf6573e3ff65610d2f8766543be13c021de428b2dea15814806fb84f49027

General

Target

2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe
Size

10.0MB
MD5

aaec138d6fde4a2307b05baa2381010b
SHA1

e556799f565d06bf0645b0f7a4b054fec09398d6
SHA256

26cbf6573e3ff65610d2f8766543be13c021de428b2dea15814806fb84f49027
SHA512

7a250c6bdc43c671c98e065f6120e8aaf3308001b7e8707c8f8ad9202dfcc8775072483ee72c7d8477c46f7ab917d63db60aa051f7af1607d76ce83687aad1f0
SSDEEP

196608:QyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:lXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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
2180	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\vkzofac\ImagePath = "C:\\Windows\\SysWOW64\\vkzofac\\uwpahpdt.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe

Deletes itself 1 IoCs

pid	Process
4332	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3260	uwpahpdt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3260 set thread context of 4332	3260	uwpahpdt.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
1844	sc.exe
2740	sc.exe
1592	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

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	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.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	uwpahpdt.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 1648	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	82
PID 364 wrote to memory of 1648	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	82
PID 364 wrote to memory of 1648	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	82
PID 364 wrote to memory of 1160	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	84
PID 364 wrote to memory of 1160	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	84
PID 364 wrote to memory of 1160	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	84
PID 364 wrote to memory of 2740	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	86
PID 364 wrote to memory of 2740	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	86
PID 364 wrote to memory of 2740	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	86
PID 364 wrote to memory of 1592	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	88
PID 364 wrote to memory of 1592	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	88
PID 364 wrote to memory of 1592	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	88
PID 364 wrote to memory of 1844	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	90
PID 364 wrote to memory of 1844	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	90
PID 364 wrote to memory of 1844	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	90
PID 3260 wrote to memory of 4332	3260	uwpahpdt.exe	93
PID 3260 wrote to memory of 4332	3260	uwpahpdt.exe	93
PID 3260 wrote to memory of 4332	3260	uwpahpdt.exe	93
PID 3260 wrote to memory of 4332	3260	uwpahpdt.exe	93
PID 3260 wrote to memory of 4332	3260	uwpahpdt.exe	93
PID 364 wrote to memory of 2180	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	94
PID 364 wrote to memory of 2180	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	94
PID 364 wrote to memory of 2180	364	2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe	94

C:\Users\Admin\AppData\Local\Temp\2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vkzofac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uwpahpdt.exe" C:\Windows\SysWOW64\vkzofac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vkzofac binPath= "C:\Windows\SysWOW64\vkzofac\uwpahpdt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vkzofac "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vkzofac
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1844
- 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:2180

C:\Windows\SysWOW64\vkzofac\uwpahpdt.exe
C:\Windows\SysWOW64\vkzofac\uwpahpdt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_aaec138d6fde4a2307b05baa2381010b_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4332

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
12.0MB

MD5
7ab5aec378a3448dde3cc5682fcd5e57

SHA1
e6f71ec1b5dc08dd6da123f153c164dcaa4e5392

SHA256
eadd04fc744e1e91f5cbdde135712bb03a1d4d4344f2611999bffa3fbf8a126c

SHA512
2c553d9e1932508265b7c72ab926879734f4a198207fc976e2f76563ae09a68fcc13535128f251cdfe4c3b0c5bad9f1227d85f4a2575ff1403757bfd40b16a52

Download Submit
memory/364-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/364-19-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/364-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/364-17-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/364-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/364-2-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/364-1-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/3260-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3260-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3260-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3260-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4332-16-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/4332-11-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/4332-21-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/4332-22-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/4332-23-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads