tofsee | 61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 00:52

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General

Target

JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe
Size

335KB
MD5

4394a0493a8fafdf603860738fab4693
SHA1

5dec1c2e26e33793e1001cae187651991dc9fbeb
SHA256

61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b
SHA512

d3ca72b916bb52c54866499c1413132bf12f87f530bc6baec79ec8996eda9175a9d3d257534fc6f3bd7afe9b3730b65b053285be6a88bacd47ea4262730b188f
SSDEEP

6144:VFsDoEMUCSzZL1Fl7GEWxwNaIE/TSd0fKK2:VFIoEMvS9BFl7G9SaVTSdRx

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\uropiwer = "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
2860	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\uropiwer\ImagePath = "C:\\Windows\\SysWOW64\\uropiwer\\wlqrltwp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2732	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	wlqrltwp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2732	2672	wlqrltwp.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3020	sc.exe
2908	sc.exe
2168	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlqrltwp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	29
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	29
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	29
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	29
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	31
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	31
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	31
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	31
PID 2936 wrote to memory of 3020	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	33
PID 2936 wrote to memory of 3020	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	33
PID 2936 wrote to memory of 3020	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	33
PID 2936 wrote to memory of 3020	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	33
PID 2936 wrote to memory of 2908	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	35
PID 2936 wrote to memory of 2908	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	35
PID 2936 wrote to memory of 2908	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	35
PID 2936 wrote to memory of 2908	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	35
PID 2936 wrote to memory of 2168	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	37
PID 2936 wrote to memory of 2168	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	37
PID 2936 wrote to memory of 2168	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	37
PID 2936 wrote to memory of 2168	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	37
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	40
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	40
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	40
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe	40
PID 2672 wrote to memory of 2732	2672	wlqrltwp.exe	42
PID 2672 wrote to memory of 2732	2672	wlqrltwp.exe	42
PID 2672 wrote to memory of 2732	2672	wlqrltwp.exe	42
PID 2672 wrote to memory of 2732	2672	wlqrltwp.exe	42
PID 2672 wrote to memory of 2732	2672	wlqrltwp.exe	42
PID 2672 wrote to memory of 2732	2672	wlqrltwp.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uropiwer\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wlqrltwp.exe" C:\Windows\SysWOW64\uropiwer\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uropiwer binPath= "C:\Windows\SysWOW64\uropiwer\wlqrltwp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uropiwer "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uropiwer
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2168
- 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:2860

C:\Windows\SysWOW64\uropiwer\wlqrltwp.exe
C:\Windows\SysWOW64\uropiwer\wlqrltwp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- 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:2732

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\wlqrltwp.exe

Filesize
11.9MB

MD5
b1ee29a418f27fdc06023a4760197ce5

SHA1
1989b384858e902719e8ff1225ba5b89d0394ffb

SHA256
baee4bac76e17987ae4d0462ae33ddf65046e847deafe61b20439adbc9ec682a

SHA512
72be8d8ff5b28404cbb39597a02e891bfcf8c88028d8efbb34ca754fc958862e403bc308247d7417a4d6751a26cc08ef08bd2b43d6fd22197d94f8eb6e29199b

Download Submit
memory/2672-18-0x0000000000400000-0x0000000002B4D000-memory.dmp

Filesize
39.3MB

Download
memory/2732-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2936-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2936-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2936-8-0x0000000000400000-0x0000000002B4D000-memory.dmp

Filesize
39.3MB

Download
memory/2936-1-0x0000000002C30000-0x0000000002D30000-memory.dmp

Filesize
1024KB

Download
memory/2936-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads