tofsee | cdef47f8b918fee5ff8a3ca635beac2b775340a49cb7a3c16d1da1d36cc220fd

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 02:03

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General

Target

JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe
Size

12.8MB
MD5

852603995775096c3faa3134eb1fa8ed
SHA1

5a2954c23b57c72da533bdc66f6eb3d08b11e2b3
SHA256

cdef47f8b918fee5ff8a3ca635beac2b775340a49cb7a3c16d1da1d36cc220fd
SHA512

8e1ce66ec7bbc3d09c0259ebc950adf5aaa6d41bb16da49ba5b89bb1891a8a4d1e0502c463bf6ba0f5802c3ac65d7f3df508e08991625f17274ccc54418ee810
SSDEEP

49152:cN8888888888888888888888888888888888888888888888888888888888888X:

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\snyzhgxr = "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
2840	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\snyzhgxr\ImagePath = "C:\\Windows\\SysWOW64\\snyzhgxr\\oxgocucl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2604	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2624	oxgocucl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2624 set thread context of 2604	2624	oxgocucl.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2732	sc.exe
2844	sc.exe
2868	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	oxgocucl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2260	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	29
PID 844 wrote to memory of 2260	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	29
PID 844 wrote to memory of 2260	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	29
PID 844 wrote to memory of 2260	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	29
PID 844 wrote to memory of 2192	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	31
PID 844 wrote to memory of 2192	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	31
PID 844 wrote to memory of 2192	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	31
PID 844 wrote to memory of 2192	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	31
PID 844 wrote to memory of 2732	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	33
PID 844 wrote to memory of 2732	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	33
PID 844 wrote to memory of 2732	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	33
PID 844 wrote to memory of 2732	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	33
PID 844 wrote to memory of 2844	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	35
PID 844 wrote to memory of 2844	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	35
PID 844 wrote to memory of 2844	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	35
PID 844 wrote to memory of 2844	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	35
PID 844 wrote to memory of 2868	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	37
PID 844 wrote to memory of 2868	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	37
PID 844 wrote to memory of 2868	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	37
PID 844 wrote to memory of 2868	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	37
PID 844 wrote to memory of 2840	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	40
PID 844 wrote to memory of 2840	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	40
PID 844 wrote to memory of 2840	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	40
PID 844 wrote to memory of 2840	844	JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe	40
PID 2624 wrote to memory of 2604	2624	oxgocucl.exe	42
PID 2624 wrote to memory of 2604	2624	oxgocucl.exe	42
PID 2624 wrote to memory of 2604	2624	oxgocucl.exe	42
PID 2624 wrote to memory of 2604	2624	oxgocucl.exe	42
PID 2624 wrote to memory of 2604	2624	oxgocucl.exe	42
PID 2624 wrote to memory of 2604	2624	oxgocucl.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\snyzhgxr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oxgocucl.exe" C:\Windows\SysWOW64\snyzhgxr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create snyzhgxr binPath= "C:\Windows\SysWOW64\snyzhgxr\oxgocucl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description snyzhgxr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start snyzhgxr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- 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:2840

C:\Windows\SysWOW64\snyzhgxr\oxgocucl.exe
C:\Windows\SysWOW64\snyzhgxr\oxgocucl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852603995775096c3faa3134eb1fa8ed.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- 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:2604

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\oxgocucl.exe

Filesize
12.8MB

MD5
852603995775096c3faa3134eb1fa8ed

SHA1
5a2954c23b57c72da533bdc66f6eb3d08b11e2b3

SHA256
cdef47f8b918fee5ff8a3ca635beac2b775340a49cb7a3c16d1da1d36cc220fd

SHA512
8e1ce66ec7bbc3d09c0259ebc950adf5aaa6d41bb16da49ba5b89bb1891a8a4d1e0502c463bf6ba0f5802c3ac65d7f3df508e08991625f17274ccc54418ee810

Download Submit
memory/844-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/844-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/844-1-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/844-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/844-6-0x0000000000400000-0x0000000002F05000-memory.dmp

Filesize
43.0MB

Download
memory/844-0-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/844-7-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/2604-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2624-14-0x0000000000400000-0x0000000002F05000-memory.dmp

Filesize
43.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads