tofsee | 1e53a862c089511f03f1573b403ac36ae35eee9d524cf5678386cc108c803737

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 01:48

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General

Target

JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe
Size

12.4MB
MD5

8494dbde93c6140cf6d958e1b8b3824c
SHA1

2c4786f4c80390611c4f9ed751df12db7fa032a5
SHA256

1e53a862c089511f03f1573b403ac36ae35eee9d524cf5678386cc108c803737
SHA512

1b310563820de10be38d2612169114e0ce3456f191341011a5a63221b1118995412281542bee60f708be971c75401178f5f8c600eba5cf7438993e61efc6229d
SSDEEP

196608:txxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxH:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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

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\zftyhvwx = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3028	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\zftyhvwx\ImagePath = "C:\\Windows\\SysWOW64\\zftyhvwx\\wglyfazo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2616	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	wglyfazo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2616	2812	wglyfazo.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2696	sc.exe
2260	sc.exe
2232	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

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	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	wglyfazo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 752	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	30
PID 1988 wrote to memory of 752	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	30
PID 1988 wrote to memory of 752	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	30
PID 1988 wrote to memory of 752	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	30
PID 1988 wrote to memory of 2060	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	32
PID 1988 wrote to memory of 2060	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	32
PID 1988 wrote to memory of 2060	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	32
PID 1988 wrote to memory of 2060	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	32
PID 1988 wrote to memory of 2260	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	34
PID 1988 wrote to memory of 2260	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	34
PID 1988 wrote to memory of 2260	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	34
PID 1988 wrote to memory of 2260	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	34
PID 1988 wrote to memory of 2232	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	36
PID 1988 wrote to memory of 2232	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	36
PID 1988 wrote to memory of 2232	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	36
PID 1988 wrote to memory of 2232	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	36
PID 1988 wrote to memory of 2696	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	38
PID 1988 wrote to memory of 2696	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	38
PID 1988 wrote to memory of 2696	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	38
PID 1988 wrote to memory of 2696	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	38
PID 1988 wrote to memory of 3028	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	41
PID 1988 wrote to memory of 3028	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	41
PID 1988 wrote to memory of 3028	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	41
PID 1988 wrote to memory of 3028	1988	JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe	41
PID 2812 wrote to memory of 2616	2812	wglyfazo.exe	44
PID 2812 wrote to memory of 2616	2812	wglyfazo.exe	44
PID 2812 wrote to memory of 2616	2812	wglyfazo.exe	44
PID 2812 wrote to memory of 2616	2812	wglyfazo.exe	44
PID 2812 wrote to memory of 2616	2812	wglyfazo.exe	44
PID 2812 wrote to memory of 2616	2812	wglyfazo.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zftyhvwx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wglyfazo.exe" C:\Windows\SysWOW64\zftyhvwx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zftyhvwx binPath= "C:\Windows\SysWOW64\zftyhvwx\wglyfazo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zftyhvwx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zftyhvwx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2696
- 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:3028

C:\Windows\SysWOW64\zftyhvwx\wglyfazo.exe
C:\Windows\SysWOW64\zftyhvwx\wglyfazo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:2616

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\wglyfazo.exe

Filesize
11.7MB

MD5
0512b784b76a566c495329dbb3254fb1

SHA1
ec02293928c3eb28e3a840d29ef2f43bb6822433

SHA256
44efb981191738bdcf6cf3e93a58f4b8683efcb051d0091257668aa63996e73b

SHA512
b83d75718e75f266fa032ab53993018deb5a5fcd124b32378d8513c5bcc4b0fb9442deb90d349a99b946de64124c6cfb2ddc9cc7bfd0ce0cb2da1b5e006c7a5b

Download Submit
memory/1988-8-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1988-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1988-1-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1988-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1988-6-0x0000000000400000-0x0000000002F06000-memory.dmp

Filesize
43.0MB

Download
memory/1988-0-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/1988-7-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/2616-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2812-16-0x0000000000400000-0x0000000002F06000-memory.dmp

Filesize
43.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads