tofsee | 73563ffcb2b871ef56e766df408c564b04fd1e43919929a0c15d028780ee2e73

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 18:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe
Size

11.6MB
MD5

b6e0e560d78c516c9fdc7aac115c7a1a
SHA1

009b9444c5456d7ef473320427045d2e6fa65745
SHA256

73563ffcb2b871ef56e766df408c564b04fd1e43919929a0c15d028780ee2e73
SHA512

12ddbf413fe7f320102f1064aac72ff73f32f16987f8eb1c3a4b12f2c5f984f18f64666a28e8f86506c795b804239c3d89df15dd294a235a250e232ca7c7c324
SSDEEP

49152:I2mNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN9:l

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\hfptphl = "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
2796	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\hfptphl\ImagePath = "C:\\Windows\\SysWOW64\\hfptphl\\fmkvavjx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	fmkvavjx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2792	2740	fmkvavjx.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1932	sc.exe
2100	sc.exe
2828	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.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	svchost.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	fmkvavjx.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 576	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	30
PID 1720 wrote to memory of 576	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	30
PID 1720 wrote to memory of 576	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	30
PID 1720 wrote to memory of 576	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	30
PID 1720 wrote to memory of 2352	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	32
PID 1720 wrote to memory of 2352	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	32
PID 1720 wrote to memory of 2352	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	32
PID 1720 wrote to memory of 2352	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	32
PID 1720 wrote to memory of 2828	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	34
PID 1720 wrote to memory of 2828	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	34
PID 1720 wrote to memory of 2828	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	34
PID 1720 wrote to memory of 2828	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	34
PID 1720 wrote to memory of 1932	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	36
PID 1720 wrote to memory of 1932	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	36
PID 1720 wrote to memory of 1932	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	36
PID 1720 wrote to memory of 1932	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	36
PID 1720 wrote to memory of 2100	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	38
PID 1720 wrote to memory of 2100	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	38
PID 1720 wrote to memory of 2100	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	38
PID 1720 wrote to memory of 2100	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	38
PID 1720 wrote to memory of 2796	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	41
PID 1720 wrote to memory of 2796	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	41
PID 1720 wrote to memory of 2796	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	41
PID 1720 wrote to memory of 2796	1720	JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe	41
PID 2740 wrote to memory of 2792	2740	fmkvavjx.exe	43
PID 2740 wrote to memory of 2792	2740	fmkvavjx.exe	43
PID 2740 wrote to memory of 2792	2740	fmkvavjx.exe	43
PID 2740 wrote to memory of 2792	2740	fmkvavjx.exe	43
PID 2740 wrote to memory of 2792	2740	fmkvavjx.exe	43
PID 2740 wrote to memory of 2792	2740	fmkvavjx.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hfptphl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fmkvavjx.exe" C:\Windows\SysWOW64\hfptphl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hfptphl binPath= "C:\Windows\SysWOW64\hfptphl\fmkvavjx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hfptphl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hfptphl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2100
- 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:2796

C:\Windows\SysWOW64\hfptphl\fmkvavjx.exe
C:\Windows\SysWOW64\hfptphl\fmkvavjx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e0e560d78c516c9fdc7aac115c7a1a.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:2792

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\fmkvavjx.exe

Filesize
14.6MB

MD5
d4d3c295ab27552212091e68d810d0ab

SHA1
b547e7bf07a1c1fb869067103471043b8b30e6b8

SHA256
1798f6161a4db8d7c8d5a0952178fcdf16b8539e38680f3b0b0ed9bdbe9d7010

SHA512
4affbe52fe7caa92b47772c3bd6c9605eaad568d311aa3c7dd24c3befeade21a0cd173a48b370ef08214859639edc599a624399a7f8a7f43eae0d4676cfef8a5

Download Submit
memory/1720-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1720-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

Filesize
1024KB

Download
memory/1720-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1720-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2740-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2792-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads