tofsee | 993a1f148487ee99b8cd6cb04ef01a51d95fb0b89a7157139e53cf82a8833dd0

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 11:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe
Size

13.7MB
MD5

9cd8940b4de1f0dd95ddc816fc813a86
SHA1

6b6ac4bac2e168f1adb1ca5ef38c1ef16b734ba4
SHA256

993a1f148487ee99b8cd6cb04ef01a51d95fb0b89a7157139e53cf82a8833dd0
SHA512

7fc147d76b1efe5fa68ce4216d0d38387fb0be0cfbdeb25fa18b71a64f4c4acba1f19bc24b0fd1b6f9891991a78ce8567e1aed9db8c1cc4dea5e1ca2b815a25d
SSDEEP

49152:H77777777777777777777777777777777777777777777777777777777777777b:

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\urcwtqis = "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
2744	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\urcwtqis\ImagePath = "C:\\Windows\\SysWOW64\\urcwtqis\\xcbzpvet.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2656	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	xcbzpvet.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2656	2724	xcbzpvet.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2940	sc.exe
2760	sc.exe
2888	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	xcbzpvet.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 3064	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	30
PID 2420 wrote to memory of 3064	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	30
PID 2420 wrote to memory of 3064	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	30
PID 2420 wrote to memory of 3064	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	30
PID 2420 wrote to memory of 2704	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	32
PID 2420 wrote to memory of 2704	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	32
PID 2420 wrote to memory of 2704	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	32
PID 2420 wrote to memory of 2704	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	32
PID 2420 wrote to memory of 2940	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	34
PID 2420 wrote to memory of 2940	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	34
PID 2420 wrote to memory of 2940	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	34
PID 2420 wrote to memory of 2940	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	34
PID 2420 wrote to memory of 2760	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	36
PID 2420 wrote to memory of 2760	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	36
PID 2420 wrote to memory of 2760	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	36
PID 2420 wrote to memory of 2760	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	36
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	38
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	38
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	38
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	38
PID 2420 wrote to memory of 2744	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	41
PID 2420 wrote to memory of 2744	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	41
PID 2420 wrote to memory of 2744	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	41
PID 2420 wrote to memory of 2744	2420	JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe	41
PID 2724 wrote to memory of 2656	2724	xcbzpvet.exe	44
PID 2724 wrote to memory of 2656	2724	xcbzpvet.exe	44
PID 2724 wrote to memory of 2656	2724	xcbzpvet.exe	44
PID 2724 wrote to memory of 2656	2724	xcbzpvet.exe	44
PID 2724 wrote to memory of 2656	2724	xcbzpvet.exe	44
PID 2724 wrote to memory of 2656	2724	xcbzpvet.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\urcwtqis\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xcbzpvet.exe" C:\Windows\SysWOW64\urcwtqis\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create urcwtqis binPath= "C:\Windows\SysWOW64\urcwtqis\xcbzpvet.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description urcwtqis "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start urcwtqis
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- 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:2744

C:\Windows\SysWOW64\urcwtqis\xcbzpvet.exe
C:\Windows\SysWOW64\urcwtqis\xcbzpvet.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cd8940b4de1f0dd95ddc816fc813a86.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- 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:2656

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\xcbzpvet.exe

Filesize
10.1MB

MD5
57bb8a8d67e5e2f5abeac73aba8980dc

SHA1
fcc7e6a6a4d2bdf5af6fcb0aca8f4ce42fc89b2d

SHA256
2251b04863db6d2de39386ae84f215b50a68a650db0b2d917cf09f9a4e0c1394

SHA512
1c1570b36bcc3ed55b6a18ac903546931ff1f93845c0b44081aca4f45c64fc5545cc1380016c5c03610301a6ad336a820b79db6601caf1d14f01ea63d393b248

Download Submit
memory/2420-1-0x0000000001760000-0x0000000001860000-memory.dmp

Filesize
1024KB

Download
memory/2420-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2420-4-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2420-9-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2420-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2656-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2724-16-0x0000000000400000-0x00000000016BC000-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