tofsee | f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 18:59

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General

Target

JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe
Size

11.7MB
MD5

b8332866db45bf85ed517c599eaafe54
SHA1

f86726a6a85f613e15066a7ad77cef942e3c9d28
SHA256

f365d1d600ccc20bde31b7db1fd7a815b73087c9e46676e0d398289af7b7bb71
SHA512

b95ac93c7487fada804562e98f8e5db4902ab3195236c71cfa171732071d4601ce479b6eed519f61a0724a47d6cda7f9d397285c265b2c9bfb7d143ba8ef1425
SSDEEP

3072:qoiqjV0QCeV75zMwb2EfDXTBrt0c5f+Z7ApWt+0krytpObPUfAGM4H1M4CjiJNx4:qoiqjWHeV9zthDjBrmA+VkDbSAgQiTx

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\qpesiftj = "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
2708	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\qpesiftj\ImagePath = "C:\\Windows\\SysWOW64\\qpesiftj\\nlvttjsi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2756	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	nlvttjsi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2756	2696	nlvttjsi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
864	sc.exe
2688	sc.exe
2056	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	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.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	nlvttjsi.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	30
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	30
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	30
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	30
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	32
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	32
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	32
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	32
PID 2280 wrote to memory of 864	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	34
PID 2280 wrote to memory of 864	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	34
PID 2280 wrote to memory of 864	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	34
PID 2280 wrote to memory of 864	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	34
PID 2280 wrote to memory of 2688	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	36
PID 2280 wrote to memory of 2688	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	36
PID 2280 wrote to memory of 2688	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	36
PID 2280 wrote to memory of 2688	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	36
PID 2280 wrote to memory of 2056	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	38
PID 2280 wrote to memory of 2056	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	38
PID 2280 wrote to memory of 2056	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	38
PID 2280 wrote to memory of 2056	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	38
PID 2280 wrote to memory of 2708	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	41
PID 2280 wrote to memory of 2708	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	41
PID 2280 wrote to memory of 2708	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	41
PID 2280 wrote to memory of 2708	2280	JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe	41
PID 2696 wrote to memory of 2756	2696	nlvttjsi.exe	43
PID 2696 wrote to memory of 2756	2696	nlvttjsi.exe	43
PID 2696 wrote to memory of 2756	2696	nlvttjsi.exe	43
PID 2696 wrote to memory of 2756	2696	nlvttjsi.exe	43
PID 2696 wrote to memory of 2756	2696	nlvttjsi.exe	43
PID 2696 wrote to memory of 2756	2696	nlvttjsi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qpesiftj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nlvttjsi.exe" C:\Windows\SysWOW64\qpesiftj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qpesiftj binPath= "C:\Windows\SysWOW64\qpesiftj\nlvttjsi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qpesiftj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qpesiftj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2056
- 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:2708

C:\Windows\SysWOW64\qpesiftj\nlvttjsi.exe
C:\Windows\SysWOW64\qpesiftj\nlvttjsi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8332866db45bf85ed517c599eaafe54.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:2756

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\nlvttjsi.exe

Filesize
14.8MB

MD5
8d20e58c72eaae63e863fba8a1d63296

SHA1
7c057e7202a32295bac2ce649f39dce141e7ae08

SHA256
7d7d9957c09e26482a578136900bbdd15c7c8260243e44d65d502858e4f8bbba

SHA512
dbf6a8dcc76ea37c438b23e8120571e53f0b7346e98a6a52c633bb357ac9f03a4121a80a94782b1fca50c8d2f5a4eaaaa4d0e9f15a44e83bb0629b3b8c45b00c

Download Submit
memory/2280-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2280-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2280-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2280-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2280-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2280-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2696-16-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2756-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads