tofsee | d15dc4c9f5cc18798572b527797678adedd953ae755a9efadbeaf76353cc199f

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 17:16

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General

Target

JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe
Size

10.3MB
MD5

7add49d3f94626db3bfd88652c55403b
SHA1

c99c8680050272cade3963627fa87e697b4ee564
SHA256

d15dc4c9f5cc18798572b527797678adedd953ae755a9efadbeaf76353cc199f
SHA512

19edd3367327213abc11f3d696b46cdd4184a74e6653e43b0283aebcd0de135f43e92b69a1906328c318a5e7a3c06806665a015cbe70e5ee9e13e91e7654ca4f
SSDEEP

196608:9I+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++G:9

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\exiatogx = "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
2720	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\exiatogx\ImagePath = "C:\\Windows\\SysWOW64\\exiatogx\\qxjwfstn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2600	qxjwfstn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 780	2600	qxjwfstn.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
3040	sc.exe
1744	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.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	qxjwfstn.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2844	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	30
PID 2380 wrote to memory of 2844	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	30
PID 2380 wrote to memory of 2844	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	30
PID 2380 wrote to memory of 2844	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	30
PID 2380 wrote to memory of 2700	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	32
PID 2380 wrote to memory of 2700	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	32
PID 2380 wrote to memory of 2700	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	32
PID 2380 wrote to memory of 2700	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	32
PID 2380 wrote to memory of 2708	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	34
PID 2380 wrote to memory of 2708	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	34
PID 2380 wrote to memory of 2708	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	34
PID 2380 wrote to memory of 2708	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	34
PID 2380 wrote to memory of 3040	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	36
PID 2380 wrote to memory of 3040	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	36
PID 2380 wrote to memory of 3040	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	36
PID 2380 wrote to memory of 3040	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	36
PID 2380 wrote to memory of 1744	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	38
PID 2380 wrote to memory of 1744	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	38
PID 2380 wrote to memory of 1744	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	38
PID 2380 wrote to memory of 1744	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	38
PID 2380 wrote to memory of 2720	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	41
PID 2380 wrote to memory of 2720	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	41
PID 2380 wrote to memory of 2720	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	41
PID 2380 wrote to memory of 2720	2380	JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe	41
PID 2600 wrote to memory of 780	2600	qxjwfstn.exe	43
PID 2600 wrote to memory of 780	2600	qxjwfstn.exe	43
PID 2600 wrote to memory of 780	2600	qxjwfstn.exe	43
PID 2600 wrote to memory of 780	2600	qxjwfstn.exe	43
PID 2600 wrote to memory of 780	2600	qxjwfstn.exe	43
PID 2600 wrote to memory of 780	2600	qxjwfstn.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\exiatogx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qxjwfstn.exe" C:\Windows\SysWOW64\exiatogx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create exiatogx binPath= "C:\Windows\SysWOW64\exiatogx\qxjwfstn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description exiatogx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start exiatogx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1744
- 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:2720

C:\Windows\SysWOW64\exiatogx\qxjwfstn.exe
C:\Windows\SysWOW64\exiatogx\qxjwfstn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7add49d3f94626db3bfd88652c55403b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- 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:780

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\qxjwfstn.exe

Filesize
12.8MB

MD5
f9c79bc9ed37a3be5d0de65c6f6b6b91

SHA1
8138e26dadbbca99043e118112bea3efab8fac7d

SHA256
704d59b68c9c849de8c028ce0c285a62ab837bdfaa3b158e609df045e1613f40

SHA512
9f47e93e5305689d4c18f40dbeab5511d2bc83174e9517bd8a431b0eac25a9d8980bbd77c13207398fbec6d66f03092b2f57502f7cd333a44c3d1f64181fad50

Download Submit
memory/780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/780-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/780-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/780-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/780-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2380-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2380-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2380-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2380-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2600-17-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads