tofsee | 06b927367d5bf1c277b2981049ad14d06776b8f62f5a8d40725b1b7dc772ae00

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 09:00

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General

Target

JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe
Size

14.2MB
MD5

0fdc3d3bfeda3f319fef0214c968163c
SHA1

4fcd45db3a6af2ddcbba28e7dc6125b6fa3341cc
SHA256

06b927367d5bf1c277b2981049ad14d06776b8f62f5a8d40725b1b7dc772ae00
SHA512

6f975308e718808155d4955eb692caaec22c0a534090e354340274bced010d60a049b296b17b12cb006e0c7d51b6a9002bdf9a2f602d60f7ca4a9213ce5bfd97
SSDEEP

98304:EUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU8:

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\zbztzwvp = "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
2532	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\zbztzwvp\ImagePath = "C:\\Windows\\SysWOW64\\zbztzwvp\\hbkuhkpb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2628	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	hbkuhkpb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 2628	2908	hbkuhkpb.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2472	sc.exe
2772	sc.exe
2892	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hbkuhkpb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2544	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	30
PID 2672 wrote to memory of 2544	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	30
PID 2672 wrote to memory of 2544	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	30
PID 2672 wrote to memory of 2544	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	30
PID 2672 wrote to memory of 1664	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	32
PID 2672 wrote to memory of 1664	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	32
PID 2672 wrote to memory of 1664	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	32
PID 2672 wrote to memory of 1664	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	32
PID 2672 wrote to memory of 2472	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	34
PID 2672 wrote to memory of 2472	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	34
PID 2672 wrote to memory of 2472	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	34
PID 2672 wrote to memory of 2472	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	34
PID 2672 wrote to memory of 2772	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	36
PID 2672 wrote to memory of 2772	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	36
PID 2672 wrote to memory of 2772	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	36
PID 2672 wrote to memory of 2772	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	36
PID 2672 wrote to memory of 2892	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	38
PID 2672 wrote to memory of 2892	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	38
PID 2672 wrote to memory of 2892	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	38
PID 2672 wrote to memory of 2892	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	38
PID 2672 wrote to memory of 2532	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	41
PID 2672 wrote to memory of 2532	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	41
PID 2672 wrote to memory of 2532	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	41
PID 2672 wrote to memory of 2532	2672	JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe	41
PID 2908 wrote to memory of 2628	2908	hbkuhkpb.exe	43
PID 2908 wrote to memory of 2628	2908	hbkuhkpb.exe	43
PID 2908 wrote to memory of 2628	2908	hbkuhkpb.exe	43
PID 2908 wrote to memory of 2628	2908	hbkuhkpb.exe	43
PID 2908 wrote to memory of 2628	2908	hbkuhkpb.exe	43
PID 2908 wrote to memory of 2628	2908	hbkuhkpb.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zbztzwvp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hbkuhkpb.exe" C:\Windows\SysWOW64\zbztzwvp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zbztzwvp binPath= "C:\Windows\SysWOW64\zbztzwvp\hbkuhkpb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zbztzwvp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zbztzwvp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- 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:2532

C:\Windows\SysWOW64\zbztzwvp\hbkuhkpb.exe
C:\Windows\SysWOW64\zbztzwvp\hbkuhkpb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fdc3d3bfeda3f319fef0214c968163c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- 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:2628

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\hbkuhkpb.exe

Filesize
12.9MB

MD5
94f8ef599680551d2e8396ad83e350d4

SHA1
08587b6fbb5b22c1d46469feba2f8cfad5e8823f

SHA256
fd854be66ac6aabdd4c2fffd09edefb279b2ee34a99689c4fa116ed36b60454f

SHA512
121ce7fb0fe97630f518d8cd1cad0a1fde9ca3206c68a205a6472acfab89077a4d8d76b7337a8c8be4f3ad15a25f86b16873db4883a02a82e8f44afb9cd7cf43

Download Submit
memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2672-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2672-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2672-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2672-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2672-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2672-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2908-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads