tofsee | fafab94ed21c622e36d2cc03402c17d3975ca5ec0d018cfa224666ec74059c91

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 11:26

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General

Target

JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe
Size

11.9MB
MD5

9cf563ebcc36d1a641cbbb0c2967b400
SHA1

0cb83881694d59b55f57241b7cbe2bd2605792d2
SHA256

fafab94ed21c622e36d2cc03402c17d3975ca5ec0d018cfa224666ec74059c91
SHA512

322b234f4b51d91bb6a8900fc9dc20373168477ebaaa39b21debf4b8d21d1163ca51dca1b5dc6c7d1d851ef00b87a93a39c0043308cee9d36c7b54c3428776b0
SSDEEP

49152:hvUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkE:h

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\wgasabdl = "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
2844	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\wgasabdl\ImagePath = "C:\\Windows\\SysWOW64\\wgasabdl\\qnydblif.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2764	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	qnydblif.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2764	2740	qnydblif.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2044	sc.exe
2068	sc.exe
476	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	qnydblif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2596	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	30
PID 2500 wrote to memory of 2596	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	30
PID 2500 wrote to memory of 2596	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	30
PID 2500 wrote to memory of 2596	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	30
PID 2500 wrote to memory of 2120	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	32
PID 2500 wrote to memory of 2120	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	32
PID 2500 wrote to memory of 2120	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	32
PID 2500 wrote to memory of 2120	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	32
PID 2500 wrote to memory of 2044	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	34
PID 2500 wrote to memory of 2044	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	34
PID 2500 wrote to memory of 2044	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	34
PID 2500 wrote to memory of 2044	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	34
PID 2500 wrote to memory of 2068	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	36
PID 2500 wrote to memory of 2068	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	36
PID 2500 wrote to memory of 2068	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	36
PID 2500 wrote to memory of 2068	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	36
PID 2500 wrote to memory of 476	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	38
PID 2500 wrote to memory of 476	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	38
PID 2500 wrote to memory of 476	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	38
PID 2500 wrote to memory of 476	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	38
PID 2500 wrote to memory of 2844	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	41
PID 2500 wrote to memory of 2844	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	41
PID 2500 wrote to memory of 2844	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	41
PID 2500 wrote to memory of 2844	2500	JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe	41
PID 2740 wrote to memory of 2764	2740	qnydblif.exe	44
PID 2740 wrote to memory of 2764	2740	qnydblif.exe	44
PID 2740 wrote to memory of 2764	2740	qnydblif.exe	44
PID 2740 wrote to memory of 2764	2740	qnydblif.exe	44
PID 2740 wrote to memory of 2764	2740	qnydblif.exe	44
PID 2740 wrote to memory of 2764	2740	qnydblif.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.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\wgasabdl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qnydblif.exe" C:\Windows\SysWOW64\wgasabdl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wgasabdl binPath= "C:\Windows\SysWOW64\wgasabdl\qnydblif.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wgasabdl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wgasabdl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:476
- 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:2844

C:\Windows\SysWOW64\wgasabdl\qnydblif.exe
C:\Windows\SysWOW64\wgasabdl\qnydblif.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cf563ebcc36d1a641cbbb0c2967b400.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2764

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\qnydblif.exe

Filesize
15.0MB

MD5
949bb7966c222ce08bf9a35a65c3ddc7

SHA1
b72d05c715fc629e58cce76dd85996d1ac17c712

SHA256
7e08007ddc6615f7746a31ae36310ce117f3f570785b4fde84991793766c59c1

SHA512
73969d7064815753de59dc6ac18869c8c51b57ca76f4dd842b3c22a46289588f753b201bfd8e1ef6cb348b8e96048c99b4fdf604965cced2c4b631960fa1a483

Download Submit
memory/2500-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

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

Filesize
84KB

Download
memory/2500-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

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

Filesize
84KB

Download
memory/2500-8-0x0000000000400000-0x0000000002DA4000-memory.dmp

Filesize
41.6MB

Download
memory/2500-1-0x0000000002E70000-0x0000000002F70000-memory.dmp

Filesize
1024KB

Download
memory/2740-17-0x0000000000400000-0x0000000002DA4000-memory.dmp

Filesize
41.6MB

Download
memory/2764-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2764-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2764-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2764-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads