tofsee | 565ff0ed3359ddf31e2d2f1b177e8528b97cef49092344afe3f74f5b27aa776b

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
07-01-2025 09:49

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General

Target

JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe
Size

12.7MB
MD5

5be9d4fd9ff1f99c65f794c0f2a1b018
SHA1

b13d77a02263281833793456086226e32348391f
SHA256

565ff0ed3359ddf31e2d2f1b177e8528b97cef49092344afe3f74f5b27aa776b
SHA512

90889ac38257b73c4a94a6bd514b307497f8d3d073203a7acc6c4ec482818428bbc16ff77a588079572ae67a367e89ecef4f7db68257d442f10073df72d721cb
SSDEEP

49152:tkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

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\dkqvzzqc = "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
2824	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\dkqvzzqc\ImagePath = "C:\\Windows\\SysWOW64\\dkqvzzqc\\unyozwpi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2556	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	unyozwpi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 2556	2636	unyozwpi.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2156	sc.exe
2660	sc.exe
2792	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	unyozwpi.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2040	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	31
PID 2024 wrote to memory of 2040	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	31
PID 2024 wrote to memory of 2040	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	31
PID 2024 wrote to memory of 2040	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	31
PID 2024 wrote to memory of 2108	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	33
PID 2024 wrote to memory of 2108	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	33
PID 2024 wrote to memory of 2108	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	33
PID 2024 wrote to memory of 2108	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	33
PID 2024 wrote to memory of 2156	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	35
PID 2024 wrote to memory of 2156	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	35
PID 2024 wrote to memory of 2156	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	35
PID 2024 wrote to memory of 2156	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	35
PID 2024 wrote to memory of 2660	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	37
PID 2024 wrote to memory of 2660	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	37
PID 2024 wrote to memory of 2660	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	37
PID 2024 wrote to memory of 2660	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	37
PID 2024 wrote to memory of 2792	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	39
PID 2024 wrote to memory of 2792	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	39
PID 2024 wrote to memory of 2792	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	39
PID 2024 wrote to memory of 2792	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	39
PID 2024 wrote to memory of 2824	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	42
PID 2024 wrote to memory of 2824	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	42
PID 2024 wrote to memory of 2824	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	42
PID 2024 wrote to memory of 2824	2024	JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe	42
PID 2636 wrote to memory of 2556	2636	unyozwpi.exe	44
PID 2636 wrote to memory of 2556	2636	unyozwpi.exe	44
PID 2636 wrote to memory of 2556	2636	unyozwpi.exe	44
PID 2636 wrote to memory of 2556	2636	unyozwpi.exe	44
PID 2636 wrote to memory of 2556	2636	unyozwpi.exe	44
PID 2636 wrote to memory of 2556	2636	unyozwpi.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dkqvzzqc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\unyozwpi.exe" C:\Windows\SysWOW64\dkqvzzqc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dkqvzzqc binPath= "C:\Windows\SysWOW64\dkqvzzqc\unyozwpi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dkqvzzqc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dkqvzzqc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2792
- 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:2824

C:\Windows\SysWOW64\dkqvzzqc\unyozwpi.exe
C:\Windows\SysWOW64\dkqvzzqc\unyozwpi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5be9d4fd9ff1f99c65f794c0f2a1b018.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636
- 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:2556

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\unyozwpi.exe

Filesize
12.9MB

MD5
400c012864d4c221252026882eb3a21a

SHA1
faf5e886493d1d8117137a915927768b9b22dbea

SHA256
dc0667f4f622b000bff1956395f75f993fe46e13c5ebb27037e350978eade5ae

SHA512
c6ba407e21c7d7025bd723fcc2885f9ff8318748c34ef21952d507f5d3ef50d10692f25dc9103292d72c97e02acded1c0841e563551e0241ff8526a9d01a331c

Download Submit
memory/2024-1-0x0000000000830000-0x0000000000930000-memory.dmp

Filesize
1024KB

Download
memory/2024-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-4-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2024-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-9-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2556-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2556-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2556-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2556-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-15-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads