tofsee | daec8a2bb21e419eecbe4658a54e09c41cc6860232802781b0882975768509b3

General

Target

2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe
Size

10.2MB
MD5

d4ec3634c7d5a71e8e5816b1fd27349c
SHA1

90d137528a3584f4080791272330d1e14bf51dda
SHA256

daec8a2bb21e419eecbe4658a54e09c41cc6860232802781b0882975768509b3
SHA512

be323f7247bf0275708fca2a1d2dbe1a9a3687d9432b93130e396a64f23864fd5b05afdcd3364602b311c3a068914b8e84c298144abfaa76bb193315db425993
SSDEEP

24576:BpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttX:booV

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
3312	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\haclugex\ImagePath = "C:\\Windows\\SysWOW64\\haclugex\\ppqbwxvd.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe

Deletes itself 1 IoCs

pid	Process
436	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4064	ppqbwxvd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4064 set thread context of 436	4064	ppqbwxvd.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1384	sc.exe
4100	sc.exe
1096	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
224	3420	WerFault.exe	81
2568	4064	WerFault.exe	92

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ppqbwxvd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4500	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	82
PID 3420 wrote to memory of 4500	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	82
PID 3420 wrote to memory of 4500	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	82
PID 3420 wrote to memory of 4264	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	84
PID 3420 wrote to memory of 4264	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	84
PID 3420 wrote to memory of 4264	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	84
PID 3420 wrote to memory of 1384	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	86
PID 3420 wrote to memory of 1384	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	86
PID 3420 wrote to memory of 1384	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	86
PID 3420 wrote to memory of 4100	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	88
PID 3420 wrote to memory of 4100	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	88
PID 3420 wrote to memory of 4100	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	88
PID 3420 wrote to memory of 1096	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	90
PID 3420 wrote to memory of 1096	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	90
PID 3420 wrote to memory of 1096	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	90
PID 3420 wrote to memory of 3312	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	93
PID 3420 wrote to memory of 3312	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	93
PID 3420 wrote to memory of 3312	3420	2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe	93
PID 4064 wrote to memory of 436	4064	ppqbwxvd.exe	98
PID 4064 wrote to memory of 436	4064	ppqbwxvd.exe	98
PID 4064 wrote to memory of 436	4064	ppqbwxvd.exe	98
PID 4064 wrote to memory of 436	4064	ppqbwxvd.exe	98
PID 4064 wrote to memory of 436	4064	ppqbwxvd.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\haclugex\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ppqbwxvd.exe" C:\Windows\SysWOW64\haclugex\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create haclugex binPath= "C:\Windows\SysWOW64\haclugex\ppqbwxvd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description haclugex "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start haclugex
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1096
- 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:3312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 644
  2⤵
  - Program crash
  PID:224

C:\Windows\SysWOW64\haclugex\ppqbwxvd.exe
C:\Windows\SysWOW64\haclugex\ppqbwxvd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_d4ec3634c7d5a71e8e5816b1fd27349c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 528
  2⤵
  - Program crash
  PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3420 -ip 3420
1⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4064 -ip 4064
1⤵
PID:1532

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\ppqbwxvd.exe

Filesize
13.6MB

MD5
31e159053988c1d98e596bbfd99b1134

SHA1
dbcfb37683e12aa78750f3163b99d1a694ae32f0

SHA256
83a2618de188ece133f8ec42f62ec24cca4926b2e8885e20d3976e753efa8c9e

SHA512
2c93dfdef857f261094d288934b68b770a5302200cf94c816725e7792b443433093254f50cb8b462cb474b5a2845f057168386a84f9f31d7ae9d1653387ca5c9

Download Submit
memory/436-14-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/436-17-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/436-16-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/3420-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/3420-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3420-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3420-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3420-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3420-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/4064-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4064-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4064-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4064-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads