tofsee | fb7c07b8e03f0d46bf01026bfca1fbf7a34697f105cec26b55cc55062b52cc1b

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 20:15

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General

Target

JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe
Size

14.6MB
MD5

772bdbb465119d7bbfa6a13e810c3a2e
SHA1

3b447f7291920c539923a9a984250d0bcd40f2cf
SHA256

fb7c07b8e03f0d46bf01026bfca1fbf7a34697f105cec26b55cc55062b52cc1b
SHA512

a9cd2c0cfb7b887c017a28511fa72c215ef20500295ff00787166c9e1835fadc17da3e451150d52a492141525461d215ccd6fbb601068da1b20a9f2ac385bf04
SSDEEP

49152:okHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

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\deyxteiy = "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
2888	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\deyxteiy\ImagePath = "C:\\Windows\\SysWOW64\\deyxteiy\\jonlbhqf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3064	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	jonlbhqf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 3064	2752	jonlbhqf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2200	sc.exe
2760	sc.exe
2876	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jonlbhqf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2544	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	30
PID 2204 wrote to memory of 2544	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	30
PID 2204 wrote to memory of 2544	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	30
PID 2204 wrote to memory of 2544	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	30
PID 2204 wrote to memory of 2116	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	32
PID 2204 wrote to memory of 2116	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	32
PID 2204 wrote to memory of 2116	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	32
PID 2204 wrote to memory of 2116	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	32
PID 2204 wrote to memory of 2200	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	34
PID 2204 wrote to memory of 2200	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	34
PID 2204 wrote to memory of 2200	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	34
PID 2204 wrote to memory of 2200	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	34
PID 2204 wrote to memory of 2760	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	36
PID 2204 wrote to memory of 2760	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	36
PID 2204 wrote to memory of 2760	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	36
PID 2204 wrote to memory of 2760	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	36
PID 2204 wrote to memory of 2876	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	38
PID 2204 wrote to memory of 2876	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	38
PID 2204 wrote to memory of 2876	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	38
PID 2204 wrote to memory of 2876	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	38
PID 2204 wrote to memory of 2888	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	41
PID 2204 wrote to memory of 2888	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	41
PID 2204 wrote to memory of 2888	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	41
PID 2204 wrote to memory of 2888	2204	JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe	41
PID 2752 wrote to memory of 3064	2752	jonlbhqf.exe	43
PID 2752 wrote to memory of 3064	2752	jonlbhqf.exe	43
PID 2752 wrote to memory of 3064	2752	jonlbhqf.exe	43
PID 2752 wrote to memory of 3064	2752	jonlbhqf.exe	43
PID 2752 wrote to memory of 3064	2752	jonlbhqf.exe	43
PID 2752 wrote to memory of 3064	2752	jonlbhqf.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\deyxteiy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jonlbhqf.exe" C:\Windows\SysWOW64\deyxteiy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create deyxteiy binPath= "C:\Windows\SysWOW64\deyxteiy\jonlbhqf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2200
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description deyxteiy "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 deyxteiy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- 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:2888

C:\Windows\SysWOW64\deyxteiy\jonlbhqf.exe
C:\Windows\SysWOW64\deyxteiy\jonlbhqf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_772bdbb465119d7bbfa6a13e810c3a2e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:3064

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\jonlbhqf.exe

Filesize
12.0MB

MD5
f5916d7bbbf88db26512be38da143bf8

SHA1
b95785d4a3ef3a8c3fa1ca69030be8c6dcbae5a8

SHA256
61440bd2b250eb987a44c08887834892da61e099069c721375c66978cff3e472

SHA512
a86d936d64fc6369e9df7a0b82f2218ee9b5e4f9e80b5884bd47d91e63c5a10992a769e2435378b63f45f7e043fbcecb659525260f341f645196fbd8333cc502

Download Submit
memory/2204-10-0x0000000000830000-0x0000000000930000-memory.dmp

Filesize
1024KB

Download
memory/2204-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2204-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2204-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2204-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2204-1-0x0000000000830000-0x0000000000930000-memory.dmp

Filesize
1024KB

Download
memory/2204-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2752-16-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3064-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads