tofsee | e462a4edf20e32317f6164ab0eb8bcbf34e6e4adaa5c6c51f38e678bfc486944

General

Target

2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe
Size

14.1MB
MD5

f7da13f615639ece98410f33d193d766
SHA1

3ff4669bef39fbec5c96038aac654faa8d7de61d
SHA256

e462a4edf20e32317f6164ab0eb8bcbf34e6e4adaa5c6c51f38e678bfc486944
SHA512

3d9b59b17b682fde082029b168a06a27a57ebe931827d4047ed8fe2eae07bcb1b37a8671238e677b89c6a819d3c2400044c2ad698c3a953fa83834c6825669ae
SSDEEP

24576:rEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZp:4fotT

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
220	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\gmxkowlu\ImagePath = "C:\\Windows\\SysWOW64\\gmxkowlu\\hqkphgbx.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe

Deletes itself 1 IoCs

pid	Process
3904	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3184	hqkphgbx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3184 set thread context of 3904	3184	hqkphgbx.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
3136	sc.exe
4052	sc.exe
2112	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
2916	3700	WerFault.exe	82
4904	3184	WerFault.exe	96

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.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	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	hqkphgbx.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 1252	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	86
PID 3700 wrote to memory of 1252	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	86
PID 3700 wrote to memory of 1252	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	86
PID 3700 wrote to memory of 1648	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	88
PID 3700 wrote to memory of 1648	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	88
PID 3700 wrote to memory of 1648	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	88
PID 3700 wrote to memory of 3136	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	90
PID 3700 wrote to memory of 3136	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	90
PID 3700 wrote to memory of 3136	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	90
PID 3700 wrote to memory of 4052	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	92
PID 3700 wrote to memory of 4052	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	92
PID 3700 wrote to memory of 4052	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	92
PID 3700 wrote to memory of 2112	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	94
PID 3700 wrote to memory of 2112	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	94
PID 3700 wrote to memory of 2112	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	94
PID 3700 wrote to memory of 220	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	97
PID 3700 wrote to memory of 220	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	97
PID 3700 wrote to memory of 220	3700	2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe	97
PID 3184 wrote to memory of 3904	3184	hqkphgbx.exe	102
PID 3184 wrote to memory of 3904	3184	hqkphgbx.exe	102
PID 3184 wrote to memory of 3904	3184	hqkphgbx.exe	102
PID 3184 wrote to memory of 3904	3184	hqkphgbx.exe	102
PID 3184 wrote to memory of 3904	3184	hqkphgbx.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gmxkowlu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hqkphgbx.exe" C:\Windows\SysWOW64\gmxkowlu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gmxkowlu binPath= "C:\Windows\SysWOW64\gmxkowlu\hqkphgbx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gmxkowlu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gmxkowlu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2112
- 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:220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 1036
  2⤵
  - Program crash
  PID:2916

C:\Windows\SysWOW64\gmxkowlu\hqkphgbx.exe
C:\Windows\SysWOW64\gmxkowlu\hqkphgbx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f7da13f615639ece98410f33d193d766_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 512
  2⤵
  - Program crash
  PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3700 -ip 3700
1⤵
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3184 -ip 3184
1⤵
PID:1872

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\hqkphgbx.exe

Filesize
11.0MB

MD5
9a3fdfef5fd94bd9e28a8f8977248d2b

SHA1
0043ffcf0f937627490a9d0c8e4ac501ac626d34

SHA256
89bc1af4a49caa80239dbbe0a04e668d607cdb2fa540853e89eaeeb56d6b473b

SHA512
f73efa83f13ab2caccbf51a92c85e50a1ff82c0d5e873d2313d9306fb93161d6522380c42f925d7f6395fa76446237c6ba17f377cac68f262c41d6f119bfbc07

Download Submit
memory/3184-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3184-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3184-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3184-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3700-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3700-2-0x0000000000620000-0x0000000000633000-memory.dmp

Filesize
76KB

Download
memory/3700-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3700-8-0x0000000000620000-0x0000000000633000-memory.dmp

Filesize
76KB

Download
memory/3700-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3700-1-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/3904-14-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3904-16-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3904-17-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads