tofsee | 14cc73a250ed6baf6a54c20f5e3b16b9873e33ffa3d034dd493ed9076fa133e3

General

Target

2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe
Size

10.9MB
MD5

b5745a86aa14cdcecc7ff3c6249aa5a9
SHA1

3db2edc1501ad7c74a887aa05b42db80ca69d3fb
SHA256

14cc73a250ed6baf6a54c20f5e3b16b9873e33ffa3d034dd493ed9076fa133e3
SHA512

9b2637111e11ced1a39b5835e98103f897ac49784e293ca298d2741eae04c62fb4a38d0124a4e8e5e370a0468f1b323dff47af2b59775944d11df7b11548f0f0
SSDEEP

24576:SpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:2oo

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
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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1484	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\hqqgpekc\ImagePath = "C:\\Windows\\SysWOW64\\hqqgpekc\\fdmnwshd.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe

Deletes itself 1 IoCs

pid	Process
3020	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
448	fdmnwshd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 3020	448	fdmnwshd.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
2124	sc.exe
2852	sc.exe
2572	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2460	4056	WerFault.exe	82
5100	448	WerFault.exe	94

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	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	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdmnwshd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4056 wrote to memory of 2476	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	84
PID 4056 wrote to memory of 2476	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	84
PID 4056 wrote to memory of 2476	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	84
PID 4056 wrote to memory of 1464	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	86
PID 4056 wrote to memory of 1464	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	86
PID 4056 wrote to memory of 1464	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	86
PID 4056 wrote to memory of 2852	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	88
PID 4056 wrote to memory of 2852	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	88
PID 4056 wrote to memory of 2852	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	88
PID 4056 wrote to memory of 2572	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	90
PID 4056 wrote to memory of 2572	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	90
PID 4056 wrote to memory of 2572	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	90
PID 4056 wrote to memory of 2124	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	92
PID 4056 wrote to memory of 2124	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	92
PID 4056 wrote to memory of 2124	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	92
PID 4056 wrote to memory of 1484	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	95
PID 4056 wrote to memory of 1484	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	95
PID 4056 wrote to memory of 1484	4056	2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe	95
PID 448 wrote to memory of 3020	448	fdmnwshd.exe	101
PID 448 wrote to memory of 3020	448	fdmnwshd.exe	101
PID 448 wrote to memory of 3020	448	fdmnwshd.exe	101
PID 448 wrote to memory of 3020	448	fdmnwshd.exe	101
PID 448 wrote to memory of 3020	448	fdmnwshd.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hqqgpekc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fdmnwshd.exe" C:\Windows\SysWOW64\hqqgpekc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hqqgpekc binPath= "C:\Windows\SysWOW64\hqqgpekc\fdmnwshd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hqqgpekc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hqqgpekc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2124
- 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:1484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 1040
  2⤵
  - Program crash
  PID:2460

C:\Windows\SysWOW64\hqqgpekc\fdmnwshd.exe
C:\Windows\SysWOW64\hqqgpekc\fdmnwshd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-15_b5745a86aa14cdcecc7ff3c6249aa5a9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 532
  2⤵
  - Program crash
  PID:5100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4056 -ip 4056
1⤵
PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 448 -ip 448
1⤵
PID:5108

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\fdmnwshd.exe

Filesize
12.9MB

MD5
081767764c18a5e617448f2f066523a3

SHA1
e12cc89f5ed456d9d52ddc7ea2178feb6eeaa7f8

SHA256
07eb40789bc41236592c4cd231b78e9af65fc6dab7b2b059fa2e0c25225bee5f

SHA512
d9a8d65e6327c9706ae8981eab649576884d92b3d191d890ce0aea1c7e88934741cd9a9ad8a06a91f09e0d5b5b15415f64927357f971304e442cfae185f783e2

Download Submit
memory/448-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/448-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/448-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/448-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3020-14-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/3020-16-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/3020-17-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

Filesize
84KB

Download
memory/4056-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4056-2-0x00000000004B0000-0x00000000004C3000-memory.dmp

Filesize
76KB

Download
memory/4056-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4056-8-0x00000000004B0000-0x00000000004C3000-memory.dmp

Filesize
76KB

Download
memory/4056-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4056-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads