tofsee | 287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e

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
23-12-2024 14:46

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General

Target

JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe
Size

286KB
MD5

ffa4877224a16ea2832517f4e66a9d4b
SHA1

7e394ecb9588f37c9768ae5ec78ddcdd44ed347f
SHA256

287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e
SHA512

d5eafdd485c674f7cdd602e588a01d684aa02e496a9acfb6901621cfb657118275275001732344586b82928d0b1a007fdc3c8fad9398a11c2c926b321f5d6e19
SSDEEP

3072:OJnOYAZJIWjRvGQRFiF2B9bWU1v+xb20Ay6lw3ba7EnWJrJ7BfSgYu+i41Pc8aS8:OJORZJdWF2PKAv+oEWoA7fSTxi41iSZ

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\tpexxfaq = "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
2084	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\tpexxfaq\ImagePath = "C:\\Windows\\SysWOW64\\tpexxfaq\\pwufkfth.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2976	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	pwufkfth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2976	2880	pwufkfth.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2316	sc.exe
2716	sc.exe
2852	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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pwufkfth.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1940	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	30
PID 2356 wrote to memory of 1940	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	30
PID 2356 wrote to memory of 1940	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	30
PID 2356 wrote to memory of 1940	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	30
PID 2356 wrote to memory of 2348	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	32
PID 2356 wrote to memory of 2348	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	32
PID 2356 wrote to memory of 2348	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	32
PID 2356 wrote to memory of 2348	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	32
PID 2356 wrote to memory of 2316	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	34
PID 2356 wrote to memory of 2316	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	34
PID 2356 wrote to memory of 2316	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	34
PID 2356 wrote to memory of 2316	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	34
PID 2356 wrote to memory of 2716	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	36
PID 2356 wrote to memory of 2716	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	36
PID 2356 wrote to memory of 2716	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	36
PID 2356 wrote to memory of 2716	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	36
PID 2356 wrote to memory of 2852	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	38
PID 2356 wrote to memory of 2852	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	38
PID 2356 wrote to memory of 2852	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	38
PID 2356 wrote to memory of 2852	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	38
PID 2356 wrote to memory of 2084	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	41
PID 2356 wrote to memory of 2084	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	41
PID 2356 wrote to memory of 2084	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	41
PID 2356 wrote to memory of 2084	2356	JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe	41
PID 2880 wrote to memory of 2976	2880	pwufkfth.exe	43
PID 2880 wrote to memory of 2976	2880	pwufkfth.exe	43
PID 2880 wrote to memory of 2976	2880	pwufkfth.exe	43
PID 2880 wrote to memory of 2976	2880	pwufkfth.exe	43
PID 2880 wrote to memory of 2976	2880	pwufkfth.exe	43
PID 2880 wrote to memory of 2976	2880	pwufkfth.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tpexxfaq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pwufkfth.exe" C:\Windows\SysWOW64\tpexxfaq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tpexxfaq binPath= "C:\Windows\SysWOW64\tpexxfaq\pwufkfth.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tpexxfaq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tpexxfaq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2084

C:\Windows\SysWOW64\tpexxfaq\pwufkfth.exe
C:\Windows\SysWOW64\tpexxfaq\pwufkfth.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- 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:2976

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\pwufkfth.exe

Filesize
10.5MB

MD5
f875313436926c3679b1ccb3979e9294

SHA1
2a46e90acc9515106d35d782ac7421bf83498e24

SHA256
f18453e685e733322316628cc7704986b5b200d7eefcde60ba5670dd672fd2a3

SHA512
78d9d99baa8f14c49a106d4f72eee43b120db26bc852efbbb203670b36b4e08c69b0b46e18d6883b74f6ca79ce64e62537a6bfac2ba57cf28f06109e01cb6ea1

Download Submit
memory/2356-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2356-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2356-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2356-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2356-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2356-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

Filesize
1024KB

Download
memory/2880-17-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2976-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2976-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads