tofsee | d29a3b017f6a864c855fca570073d822bb37a77006467b8a75f04ce7edcbfedc

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 05:44

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General

Target

JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe
Size

14.5MB
MD5

dc63c79c3f7bc083812b8e8f47c44902
SHA1

640329ba407b6ed8482d2d5e0d082847451a7d37
SHA256

d29a3b017f6a864c855fca570073d822bb37a77006467b8a75f04ce7edcbfedc
SHA512

5610cb53a6274f62be4e9341f6eb0fda3e28ccb4f69b344b63c4a531f9044ca758519f89aacc5d312624962606e80333ae38fab9ea84e453513c7f754e6b2534
SSDEEP

12288:OZlC6v/5oQU6buXH53333333333333333333333333333333333333333333333n:ObjvluXH

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\ldafigva = "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
2832	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\ldafigva\ImagePath = "C:\\Windows\\SysWOW64\\ldafigva\\lfoylotf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2872	lfoylotf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 2852	2872	lfoylotf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
292	sc.exe
2732	sc.exe
2768	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	lfoylotf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 1800	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	30
PID 2500 wrote to memory of 1800	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	30
PID 2500 wrote to memory of 1800	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	30
PID 2500 wrote to memory of 1800	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	30
PID 2500 wrote to memory of 2496	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	32
PID 2500 wrote to memory of 2496	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	32
PID 2500 wrote to memory of 2496	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	32
PID 2500 wrote to memory of 2496	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	32
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	34
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	34
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	34
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	34
PID 2500 wrote to memory of 292	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	36
PID 2500 wrote to memory of 292	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	36
PID 2500 wrote to memory of 292	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	36
PID 2500 wrote to memory of 292	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	36
PID 2500 wrote to memory of 2732	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	38
PID 2500 wrote to memory of 2732	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	38
PID 2500 wrote to memory of 2732	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	38
PID 2500 wrote to memory of 2732	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	38
PID 2500 wrote to memory of 2832	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	41
PID 2500 wrote to memory of 2832	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	41
PID 2500 wrote to memory of 2832	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	41
PID 2500 wrote to memory of 2832	2500	JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe	41
PID 2872 wrote to memory of 2852	2872	lfoylotf.exe	43
PID 2872 wrote to memory of 2852	2872	lfoylotf.exe	43
PID 2872 wrote to memory of 2852	2872	lfoylotf.exe	43
PID 2872 wrote to memory of 2852	2872	lfoylotf.exe	43
PID 2872 wrote to memory of 2852	2872	lfoylotf.exe	43
PID 2872 wrote to memory of 2852	2872	lfoylotf.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ldafigva\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lfoylotf.exe" C:\Windows\SysWOW64\ldafigva\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ldafigva binPath= "C:\Windows\SysWOW64\ldafigva\lfoylotf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ldafigva "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ldafigva
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- 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:2832

C:\Windows\SysWOW64\ldafigva\lfoylotf.exe
C:\Windows\SysWOW64\ldafigva\lfoylotf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc63c79c3f7bc083812b8e8f47c44902.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- 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:2852

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\lfoylotf.exe

Filesize
12.9MB

MD5
9ebf21320707fdc217c6de9246d64d90

SHA1
daa8b536ebf06e5a170f5a77285bce6f72b98aed

SHA256
9418fb69999d4d5db898196e9e10ad5dc64d1e3fa625c0d1abfb0e20e2287ef9

SHA512
7b30a22f747ad19b696705fb497659e6aa8bfaa8d7a95cb03c2ea2e20f50d6c7ce6bad97f15abc4dd3faa548c063b211f8972e6799e8531657a92252d945a7a5

Download Submit
memory/2500-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2500-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2500-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2500-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2500-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2500-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2852-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads