tofsee | 743a19ceca5abb68c3e29578e5a7205b3a60199be70ac392b16bd1e2421278af

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 19:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe
Size

11.9MB
MD5

b980be7b566a6bbe882ad701ce74d0e5
SHA1

4aada7c030925645611258643db8d8b91036cb78
SHA256

743a19ceca5abb68c3e29578e5a7205b3a60199be70ac392b16bd1e2421278af
SHA512

ffa38d7b12cbb0d1c191d7907e7d33c002ea074cf33d736f4ad4e520486338fe39ba7989f38e63d797e9d540a6be09ffcd5c27e27f6fefec574f0d62b35ad137
SSDEEP

3072:6u034LyTdUfJjzBqFmdza1eE2xuBl7AoB9IP6YDU2EGFvOzp8VS9M65vKxlKZ99b:4GzoFmfE221B9IP6SjEGQ6VKNwl

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\rckqsxci = "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
2320	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\rckqsxci\ImagePath = "C:\\Windows\\SysWOW64\\rckqsxci\\wpaqbyrk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
800	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	wpaqbyrk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 800	1984	wpaqbyrk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2612	sc.exe
2752	sc.exe
2636	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	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.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	wpaqbyrk.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2816	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	30
PID 2888 wrote to memory of 2816	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	30
PID 2888 wrote to memory of 2816	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	30
PID 2888 wrote to memory of 2816	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	30
PID 2888 wrote to memory of 2856	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	32
PID 2888 wrote to memory of 2856	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	32
PID 2888 wrote to memory of 2856	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	32
PID 2888 wrote to memory of 2856	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	32
PID 2888 wrote to memory of 2612	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	34
PID 2888 wrote to memory of 2612	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	34
PID 2888 wrote to memory of 2612	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	34
PID 2888 wrote to memory of 2612	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	34
PID 2888 wrote to memory of 2752	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	36
PID 2888 wrote to memory of 2752	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	36
PID 2888 wrote to memory of 2752	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	36
PID 2888 wrote to memory of 2752	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	36
PID 2888 wrote to memory of 2636	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	38
PID 2888 wrote to memory of 2636	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	38
PID 2888 wrote to memory of 2636	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	38
PID 2888 wrote to memory of 2636	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	38
PID 2888 wrote to memory of 2320	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	41
PID 2888 wrote to memory of 2320	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	41
PID 2888 wrote to memory of 2320	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	41
PID 2888 wrote to memory of 2320	2888	JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe	41
PID 1984 wrote to memory of 800	1984	wpaqbyrk.exe	43
PID 1984 wrote to memory of 800	1984	wpaqbyrk.exe	43
PID 1984 wrote to memory of 800	1984	wpaqbyrk.exe	43
PID 1984 wrote to memory of 800	1984	wpaqbyrk.exe	43
PID 1984 wrote to memory of 800	1984	wpaqbyrk.exe	43
PID 1984 wrote to memory of 800	1984	wpaqbyrk.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rckqsxci\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wpaqbyrk.exe" C:\Windows\SysWOW64\rckqsxci\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rckqsxci binPath= "C:\Windows\SysWOW64\rckqsxci\wpaqbyrk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rckqsxci "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rckqsxci
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- 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:2320

C:\Windows\SysWOW64\rckqsxci\wpaqbyrk.exe
C:\Windows\SysWOW64\rckqsxci\wpaqbyrk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- 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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\wpaqbyrk.exe

Filesize
11.4MB

MD5
9af5fcfe1f38c7828040bc2adde7ad8b

SHA1
03eb604b34f676f3111a24ba19f997f4df3a2d30

SHA256
e3412dfb88b00542a4bb3eb3669806abd3007d37cc94c354e06226f4b8030bf5

SHA512
5c97bcff2192ab69df0410402f03d498df43985c90505dbd7a72ae184f3cb41c57a25e9e758d26e05916794147916b80071d8302f5af544ce392f3808250dbf7

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

Filesize
84KB

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

Filesize
84KB

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

Filesize
4KB

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

Filesize
84KB

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

Filesize
84KB

Download
memory/1984-16-0x0000000000400000-0x00000000016BB000-memory.dmp

Filesize
18.7MB

Download
memory/2888-1-0x00000000017E0000-0x00000000018E0000-memory.dmp

Filesize
1024KB

Download
memory/2888-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2888-4-0x0000000000400000-0x00000000016BB000-memory.dmp

Filesize
18.7MB

Download
memory/2888-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2888-9-0x0000000000400000-0x00000000016BB000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads