tofsee | 23add7fb45eafa098b31903d7ee76734723361eb68c915b07e2fc14ec4088e89

General

Target

2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe
Size

10.1MB
MD5

8ba95e2c690ea0eaae268ccbea0bf6a5
SHA1

347c94a8d5128b256eb0469229158d998c10a8b7
SHA256

23add7fb45eafa098b31903d7ee76734723361eb68c915b07e2fc14ec4088e89
SHA512

a0d54ccf907d79edfb2f4a24251051a1fda83c0949b35a11e50c973d69e468906b6a59be30544ee5eaf013414912e4f4a6e2e9e3c4d1c49784827b8778260301
SSDEEP

24576:n6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQP:6WdLQk

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
1052	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\rutrwnmf\ImagePath = "C:\\Windows\\SysWOW64\\rutrwnmf\\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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe

Deletes itself 1 IoCs

pid	Process
2276	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3020	uwpahpdt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 2276	3020	uwpahpdt.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
1704	sc.exe
3140	sc.exe
1224	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
1756	2144	WerFault.exe	82
2884	3020	WerFault.exe	95

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	uwpahpdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_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	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 2144 wrote to memory of 4580	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	85
PID 2144 wrote to memory of 4580	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	85
PID 2144 wrote to memory of 4580	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	85
PID 2144 wrote to memory of 2236	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	87
PID 2144 wrote to memory of 2236	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	87
PID 2144 wrote to memory of 2236	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	87
PID 2144 wrote to memory of 1224	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	89
PID 2144 wrote to memory of 1224	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	89
PID 2144 wrote to memory of 1224	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	89
PID 2144 wrote to memory of 1704	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	91
PID 2144 wrote to memory of 1704	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	91
PID 2144 wrote to memory of 1704	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	91
PID 2144 wrote to memory of 3140	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	93
PID 2144 wrote to memory of 3140	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	93
PID 2144 wrote to memory of 3140	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	93
PID 2144 wrote to memory of 1052	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	96
PID 2144 wrote to memory of 1052	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	96
PID 2144 wrote to memory of 1052	2144	2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe	96
PID 3020 wrote to memory of 2276	3020	uwpahpdt.exe	102
PID 3020 wrote to memory of 2276	3020	uwpahpdt.exe	102
PID 3020 wrote to memory of 2276	3020	uwpahpdt.exe	102
PID 3020 wrote to memory of 2276	3020	uwpahpdt.exe	102
PID 3020 wrote to memory of 2276	3020	uwpahpdt.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rutrwnmf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uwpahpdt.exe" C:\Windows\SysWOW64\rutrwnmf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rutrwnmf binPath= "C:\Windows\SysWOW64\rutrwnmf\uwpahpdt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1224
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rutrwnmf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rutrwnmf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3140
- 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:1052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1040
  2⤵
  - Program crash
  PID:1756

C:\Windows\SysWOW64\rutrwnmf\uwpahpdt.exe
C:\Windows\SysWOW64\rutrwnmf\uwpahpdt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8ba95e2c690ea0eaae268ccbea0bf6a5_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 512
  2⤵
  - Program crash
  PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2144 -ip 2144
1⤵
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3020 -ip 3020
1⤵
PID:4136

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\uwpahpdt.exe

Filesize
13.6MB

MD5
27348a4976725a4459662023def4591d

SHA1
f37abd4a682275f61e1ee5c16ffd574245056d3f

SHA256
e421a39d37b84a50e899c78863c4ad896177a74056a9d6162e3b5d9cec8c8212

SHA512
f52fa50aca40a50555dfae7089e19584a48e97dc5b0ace11cd41d63b3604b76c499419ad27e8b245ce537c6818169b5499b4628bacc34576e495c44c95e2ef9a

Download Submit
memory/2144-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2144-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2144-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2144-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2144-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2144-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2276-14-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/2276-16-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/2276-17-0x0000000000950000-0x0000000000965000-memory.dmp

Filesize
84KB

Download
memory/3020-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3020-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3020-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3020-18-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads