tofsee | 5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 18:45

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General

Target

JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe
Size

286KB
MD5

bebcafb815c87b777af00c7aaa8f0063
SHA1

7438dbc9f820d017151411d0581bcd0a35a82b76
SHA256

5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b
SHA512

346ce96d3da0da712e226ffce18a5fa8fda07993c3501528e696f2c0d41eaca556560547aecb7666ae5d0d4d4b5b686572c849e8503cffd3c98d4474f9911303
SSDEEP

3072:saxXGEcrxT19jb0xdlCBFL4r5u0ay/M8Z9OOHesIZQFr+uX3Prgm5ejH:seXud19jbSlCbkrL+OHesIq53T8

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\sxwbdrhh = "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
3020	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\sxwbdrhh\ImagePath = "C:\\Windows\\SysWOW64\\sxwbdrhh\\gjckiksc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2812	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	gjckiksc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2812	2904	gjckiksc.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2856	sc.exe
2892	sc.exe
2940	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	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.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	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	gjckiksc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2252	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	30
PID 1684 wrote to memory of 2252	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	30
PID 1684 wrote to memory of 2252	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	30
PID 1684 wrote to memory of 2252	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	30
PID 1684 wrote to memory of 2884	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	32
PID 1684 wrote to memory of 2884	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	32
PID 1684 wrote to memory of 2884	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	32
PID 1684 wrote to memory of 2884	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	32
PID 1684 wrote to memory of 2892	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	34
PID 1684 wrote to memory of 2892	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	34
PID 1684 wrote to memory of 2892	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	34
PID 1684 wrote to memory of 2892	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	34
PID 1684 wrote to memory of 2940	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	36
PID 1684 wrote to memory of 2940	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	36
PID 1684 wrote to memory of 2940	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	36
PID 1684 wrote to memory of 2940	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	36
PID 1684 wrote to memory of 2856	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	38
PID 1684 wrote to memory of 2856	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	38
PID 1684 wrote to memory of 2856	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	38
PID 1684 wrote to memory of 2856	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	38
PID 1684 wrote to memory of 3020	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	40
PID 1684 wrote to memory of 3020	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	40
PID 1684 wrote to memory of 3020	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	40
PID 1684 wrote to memory of 3020	1684	JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe	40
PID 2904 wrote to memory of 2812	2904	gjckiksc.exe	43
PID 2904 wrote to memory of 2812	2904	gjckiksc.exe	43
PID 2904 wrote to memory of 2812	2904	gjckiksc.exe	43
PID 2904 wrote to memory of 2812	2904	gjckiksc.exe	43
PID 2904 wrote to memory of 2812	2904	gjckiksc.exe	43
PID 2904 wrote to memory of 2812	2904	gjckiksc.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sxwbdrhh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gjckiksc.exe" C:\Windows\SysWOW64\sxwbdrhh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sxwbdrhh binPath= "C:\Windows\SysWOW64\sxwbdrhh\gjckiksc.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sxwbdrhh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sxwbdrhh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- 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:3020

C:\Windows\SysWOW64\sxwbdrhh\gjckiksc.exe
C:\Windows\SysWOW64\sxwbdrhh\gjckiksc.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5baa53a33e5183490b5f4111bbc405a8a4203b1617c635c1b4bda0dd3955298b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- 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:2812

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\gjckiksc.exe

Filesize
13.7MB

MD5
7759b27a2b51ee97e33d4160904ee33d

SHA1
2f093646998b27d836ea6788eb82923038d93ac2

SHA256
daf4da41ae140efe051e603269d6b28b63660fbf9d9f326d6fa26084a845a380

SHA512
9e2bf7a7df12ed5a252cb86f529aaf9b8227f71ae2b32cd0aa82d42e14c7e27d14fe49d6275c83e3ffebdb337dbd2d4c4d9f280401d53a03a8cf9a614b9e9440

Download Submit
memory/1684-2-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/1684-3-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/1684-5-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2812-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2812-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2812-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-8-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2812-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2904-14-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads