tofsee | e83add0c94144cc987e72f1e5b6ff8fcacb141e181345b513a5d126b7b4cd8ab

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe
Size

11.0MB
MD5

264bdfcfec718b431507ff0c45ad120c
SHA1

6d6ad95b2da78b4d5bfa5a2342856fb1ee40480e
SHA256

e83add0c94144cc987e72f1e5b6ff8fcacb141e181345b513a5d126b7b4cd8ab
SHA512

c15528e0bedf2b5599504f1ffdf07612711009035dc805d4279860a7783772a03a8e9b281246d97f2d2c839fa89ba253f9132519feeb9fcdf7d5355d51ec07bd
SSDEEP

98304:NvCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCL:N

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\qzwxsnbn = "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
2860	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\qzwxsnbn\ImagePath = "C:\\Windows\\SysWOW64\\qzwxsnbn\\jvhppapx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2436	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	jvhppapx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2436	2616	jvhppapx.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2852	sc.exe
3008	sc.exe
3068	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.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	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	jvhppapx.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2960	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	29
PID 2936 wrote to memory of 2960	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	29
PID 2936 wrote to memory of 2960	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	29
PID 2936 wrote to memory of 2960	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	29
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	31
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	31
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	31
PID 2936 wrote to memory of 2976	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	31
PID 2936 wrote to memory of 2852	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	33
PID 2936 wrote to memory of 2852	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	33
PID 2936 wrote to memory of 2852	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	33
PID 2936 wrote to memory of 2852	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	33
PID 2936 wrote to memory of 3008	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	35
PID 2936 wrote to memory of 3008	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	35
PID 2936 wrote to memory of 3008	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	35
PID 2936 wrote to memory of 3008	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	35
PID 2936 wrote to memory of 3068	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	37
PID 2936 wrote to memory of 3068	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	37
PID 2936 wrote to memory of 3068	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	37
PID 2936 wrote to memory of 3068	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	37
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	40
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	40
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	40
PID 2936 wrote to memory of 2860	2936	JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe	40
PID 2616 wrote to memory of 2436	2616	jvhppapx.exe	42
PID 2616 wrote to memory of 2436	2616	jvhppapx.exe	42
PID 2616 wrote to memory of 2436	2616	jvhppapx.exe	42
PID 2616 wrote to memory of 2436	2616	jvhppapx.exe	42
PID 2616 wrote to memory of 2436	2616	jvhppapx.exe	42
PID 2616 wrote to memory of 2436	2616	jvhppapx.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qzwxsnbn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jvhppapx.exe" C:\Windows\SysWOW64\qzwxsnbn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qzwxsnbn binPath= "C:\Windows\SysWOW64\qzwxsnbn\jvhppapx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qzwxsnbn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qzwxsnbn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- 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:2860

C:\Windows\SysWOW64\qzwxsnbn\jvhppapx.exe
C:\Windows\SysWOW64\qzwxsnbn\jvhppapx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_264bdfcfec718b431507ff0c45ad120c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:2436

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\jvhppapx.exe

Filesize
12.5MB

MD5
62e8612c32a8dcb3150a0cdc6ad72dcc

SHA1
04974e15e89d8654654dbfd912db1c385702e725

SHA256
906db8b1e40d4aab145a2d20f3af5c30b1a7231576b9567f831fd6d49c57a68b

SHA512
ea391080bf753bcba0004815832257e212636615b09a1ce109926c73028ea36763d6fe70913492602235d65614f2f849239f44583480e7239313cc3f722caf85

Download Submit
memory/2436-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2436-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2436-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2436-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2616-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2936-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2936-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2936-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2936-9-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2936-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2936-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads