tofsee | 66f18394a4a52c67b3d4eb5a1a5cdfac8c1771bbc1b8442da0115d0cc1b6461b

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 03:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe
Size

13.7MB
MD5

f551f7f59207e7f04a535f18c0780be5
SHA1

c88f1736924a055f2a54d904833a7c1b0d63689e
SHA256

66f18394a4a52c67b3d4eb5a1a5cdfac8c1771bbc1b8442da0115d0cc1b6461b
SHA512

57ea789d50e2c0fc32c83d625371ae5ae0721e4eae0839c2a529467e58e46835ad0032d2cc6ec30214b1110efa5cfb8226d7ea62202bdb75071dffadf9b23310
SSDEEP

49152://m3Ueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:/

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\qvhraeqm = "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
2836	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\qvhraeqm\ImagePath = "C:\\Windows\\SysWOW64\\qvhraeqm\\tgpmnser.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2660	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	tgpmnser.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2660	2936	tgpmnser.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2984	sc.exe
2768	sc.exe
2016	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	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	tgpmnser.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 580	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	29
PID 2124 wrote to memory of 580	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	29
PID 2124 wrote to memory of 580	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	29
PID 2124 wrote to memory of 580	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	29
PID 2124 wrote to memory of 2864	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	31
PID 2124 wrote to memory of 2864	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	31
PID 2124 wrote to memory of 2864	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	31
PID 2124 wrote to memory of 2864	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	31
PID 2124 wrote to memory of 2984	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	33
PID 2124 wrote to memory of 2984	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	33
PID 2124 wrote to memory of 2984	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	33
PID 2124 wrote to memory of 2984	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	33
PID 2124 wrote to memory of 2768	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	35
PID 2124 wrote to memory of 2768	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	35
PID 2124 wrote to memory of 2768	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	35
PID 2124 wrote to memory of 2768	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	35
PID 2124 wrote to memory of 2016	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	37
PID 2124 wrote to memory of 2016	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	37
PID 2124 wrote to memory of 2016	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	37
PID 2124 wrote to memory of 2016	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	37
PID 2124 wrote to memory of 2836	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	40
PID 2124 wrote to memory of 2836	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	40
PID 2124 wrote to memory of 2836	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	40
PID 2124 wrote to memory of 2836	2124	JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe	40
PID 2936 wrote to memory of 2660	2936	tgpmnser.exe	42
PID 2936 wrote to memory of 2660	2936	tgpmnser.exe	42
PID 2936 wrote to memory of 2660	2936	tgpmnser.exe	42
PID 2936 wrote to memory of 2660	2936	tgpmnser.exe	42
PID 2936 wrote to memory of 2660	2936	tgpmnser.exe	42
PID 2936 wrote to memory of 2660	2936	tgpmnser.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qvhraeqm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tgpmnser.exe" C:\Windows\SysWOW64\qvhraeqm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qvhraeqm binPath= "C:\Windows\SysWOW64\qvhraeqm\tgpmnser.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qvhraeqm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qvhraeqm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2016
- 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:2836

C:\Windows\SysWOW64\qvhraeqm\tgpmnser.exe
C:\Windows\SysWOW64\qvhraeqm\tgpmnser.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f551f7f59207e7f04a535f18c0780be5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:2660

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\tgpmnser.exe

Filesize
11.1MB

MD5
c140672e62983a6d917d9958a164a513

SHA1
d351bea798a802a7142f26f23cf6ea8089a97248

SHA256
c407e3805a24163774243d31810405503d8c1ed46c0c6126d0a64cf0fb7342c6

SHA512
67db6a0def56b7b692cce45772635f54e6d1c2c0c824d06dc511cf8040726eda251edae5826cf222efb16dfc18c78e456e34a813335d756e3c8402a0c13c4ec8

Download Submit
memory/2124-1-0x00000000017A0000-0x00000000018A0000-memory.dmp

Filesize
1024KB

Download
memory/2124-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-4-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2124-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-9-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2660-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-17-0x0000000000400000-0x00000000016BC000-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