tofsee | 9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122

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
27/12/2024, 01:02

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General

Target

JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe
Size

260KB
MD5

09662c2592b14405b5c16b764060d751
SHA1

4c6e859253fbd8093f2200b7bdaebc27f19449d8
SHA256

9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122
SHA512

73427221b5bd5d2e260bfddd1664e5fa0ec13e781cfaa6e7598e8a453e7b9e39908b0cd409ce551cd744cf9b602edda34293799c38c3122be155bd38ab002ac3
SSDEEP

6144:2QXRZhTGxVInBgovdk+pXFE/WWWLNarbRi7:2KDhGxVIBggNp1EYBarbRi

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\nrtoisw = "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
2524	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\nrtoisw\ImagePath = "C:\\Windows\\SysWOW64\\nrtoisw\\cakiiyhx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
800	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3044	cakiiyhx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 800	3044	cakiiyhx.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2576	sc.exe
2644	sc.exe
2736	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cakiiyhx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2688	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	30
PID 2728 wrote to memory of 2688	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	30
PID 2728 wrote to memory of 2688	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	30
PID 2728 wrote to memory of 2688	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	30
PID 2728 wrote to memory of 2600	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	32
PID 2728 wrote to memory of 2600	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	32
PID 2728 wrote to memory of 2600	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	32
PID 2728 wrote to memory of 2600	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	32
PID 2728 wrote to memory of 2736	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	34
PID 2728 wrote to memory of 2736	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	34
PID 2728 wrote to memory of 2736	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	34
PID 2728 wrote to memory of 2736	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	34
PID 2728 wrote to memory of 2576	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	36
PID 2728 wrote to memory of 2576	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	36
PID 2728 wrote to memory of 2576	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	36
PID 2728 wrote to memory of 2576	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	36
PID 2728 wrote to memory of 2644	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	38
PID 2728 wrote to memory of 2644	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	38
PID 2728 wrote to memory of 2644	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	38
PID 2728 wrote to memory of 2644	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	38
PID 2728 wrote to memory of 2524	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	41
PID 2728 wrote to memory of 2524	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	41
PID 2728 wrote to memory of 2524	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	41
PID 2728 wrote to memory of 2524	2728	JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe	41
PID 3044 wrote to memory of 800	3044	cakiiyhx.exe	43
PID 3044 wrote to memory of 800	3044	cakiiyhx.exe	43
PID 3044 wrote to memory of 800	3044	cakiiyhx.exe	43
PID 3044 wrote to memory of 800	3044	cakiiyhx.exe	43
PID 3044 wrote to memory of 800	3044	cakiiyhx.exe	43
PID 3044 wrote to memory of 800	3044	cakiiyhx.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nrtoisw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cakiiyhx.exe" C:\Windows\SysWOW64\nrtoisw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nrtoisw binPath= "C:\Windows\SysWOW64\nrtoisw\cakiiyhx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nrtoisw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nrtoisw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2644
- 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:2524

C:\Windows\SysWOW64\nrtoisw\cakiiyhx.exe
C:\Windows\SysWOW64\nrtoisw\cakiiyhx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9463797712a33f68379cc2ab3f503a6ddc1b3abcc73d2cae21d9889118948122.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:800

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\cakiiyhx.exe

Filesize
13.8MB

MD5
2f5f284e41b09471d7c0c5541d777818

SHA1
8836d82af098fb94ed50e1769bf8a32502cb35d8

SHA256
74e4253ea20eabdb3e8800feddb560499bb0ec255de0544f090d730a58e4be05

SHA512
11bc8ab380760e9beb9e19d399375ae4263665c0b4bc56600bfb31f61e8f1d86e3f75398c0cf9081e5dc799c1cf3c5839d57fb2808d84169ed0e37a42cc8d580

Download Submit
memory/800-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/800-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/800-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/800-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/800-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2728-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2728-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2728-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2728-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2728-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/3044-16-0x0000000000400000-0x0000000000870000-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