tofsee | 26fa74148d0fa19e70e4b5d7bc7e49f1807e90314372dec26e280c0be5b10186

Analysis

max time kernel
146s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03/02/2025, 03:06

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General

Target

2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe
Size

12.5MB
MD5

f4e76a3fa0d0bb36820e6a52941850c4
SHA1

e11791cbb12933f5581084f9c770fe457c1e866f
SHA256

26fa74148d0fa19e70e4b5d7bc7e49f1807e90314372dec26e280c0be5b10186
SHA512

c4591495b387bb8a344e9abe7d7a6c81c0efae54b6bf4e510c7ccc7829c96af61116b39ffa804c3011af9a9345d08ca3e8c0b53a243335e4d355077f61db5934
SSDEEP

24576:dpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttZ:3ooT

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\gynqaqiy = "0"	svchost.exe

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
2896	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\gynqaqiy\ImagePath = "C:\\Windows\\SysWOW64\\gynqaqiy\\gghsnomu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2804	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1384	gghsnomu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1384 set thread context of 2804	1384	gghsnomu.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3064	sc.exe
2132	sc.exe
2760	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	gghsnomu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2860	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	29
PID 2824 wrote to memory of 2860	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	29
PID 2824 wrote to memory of 2860	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	29
PID 2824 wrote to memory of 2860	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	29
PID 2824 wrote to memory of 2960	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	31
PID 2824 wrote to memory of 2960	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	31
PID 2824 wrote to memory of 2960	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	31
PID 2824 wrote to memory of 2960	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	31
PID 2824 wrote to memory of 3064	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	33
PID 2824 wrote to memory of 3064	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	33
PID 2824 wrote to memory of 3064	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	33
PID 2824 wrote to memory of 3064	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	33
PID 2824 wrote to memory of 2132	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	35
PID 2824 wrote to memory of 2132	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	35
PID 2824 wrote to memory of 2132	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	35
PID 2824 wrote to memory of 2132	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	35
PID 2824 wrote to memory of 2760	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	37
PID 2824 wrote to memory of 2760	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	37
PID 2824 wrote to memory of 2760	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	37
PID 2824 wrote to memory of 2760	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	37
PID 2824 wrote to memory of 2896	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	40
PID 2824 wrote to memory of 2896	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	40
PID 2824 wrote to memory of 2896	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	40
PID 2824 wrote to memory of 2896	2824	2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe	40
PID 1384 wrote to memory of 2804	1384	gghsnomu.exe	42
PID 1384 wrote to memory of 2804	1384	gghsnomu.exe	42
PID 1384 wrote to memory of 2804	1384	gghsnomu.exe	42
PID 1384 wrote to memory of 2804	1384	gghsnomu.exe	42
PID 1384 wrote to memory of 2804	1384	gghsnomu.exe	42
PID 1384 wrote to memory of 2804	1384	gghsnomu.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gynqaqiy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gghsnomu.exe" C:\Windows\SysWOW64\gynqaqiy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gynqaqiy binPath= "C:\Windows\SysWOW64\gynqaqiy\gghsnomu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gynqaqiy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gynqaqiy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- 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:2896

C:\Windows\SysWOW64\gynqaqiy\gghsnomu.exe
C:\Windows\SysWOW64\gynqaqiy\gghsnomu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
13.6MB

MD5
92c752f516178835d84bf938b10e718d

SHA1
b7235de4a6f3b717fd559988ce80099b92724dd5

SHA256
9345015421fcaf715a417b85583da6d74a83208c703bf5682f74e43c83f14380

SHA512
bb787728b7f4a54879b8cebb5f663778109af934d83008745ab92af6e59456eac1c27a9ad066e8ab0680edc69b0b30cddae3c4fea656b6ee16702422cf0b1ccb

Download Submit
memory/1384-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2804-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2824-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2824-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2824-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2824-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2824-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads