tofsee | c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4

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
27/12/2024, 00:50

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General

Target

JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe
Size

239KB
MD5

dbbfce5475a22a61211c8e53df5ff418
SHA1

9299dec40976f8bd24b1a43b4d1fc719b4df9dcf
SHA256

c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4
SHA512

469d75b4d65c92ab6f31010cf40c5b88972795591cb696f002f1b75ce07ff6db1997413a8f58f7ddcbfacfa5bbb220eeb3f821d5a98cad104b0ff4833efe44a3
SSDEEP

3072:E/QdT6Bl98/a4HtPiUdlS0aMO7yHVMaZByGlTwK1urjYQqL6b99UlrYh:E/ou98/ThiUnJp0GlTwKqYAb99MY

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\ciikkkdz = "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
2872	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\ciikkkdz\ImagePath = "C:\\Windows\\SysWOW64\\ciikkkdz\\mtfsbopj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2996	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	mtfsbopj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2996	2808	mtfsbopj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2364	sc.exe
2144	sc.exe
2708	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.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	mtfsbopj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1448	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	30
PID 1728 wrote to memory of 1448	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	30
PID 1728 wrote to memory of 1448	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	30
PID 1728 wrote to memory of 1448	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	30
PID 1728 wrote to memory of 2512	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	32
PID 1728 wrote to memory of 2512	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	32
PID 1728 wrote to memory of 2512	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	32
PID 1728 wrote to memory of 2512	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	32
PID 1728 wrote to memory of 2364	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	34
PID 1728 wrote to memory of 2364	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	34
PID 1728 wrote to memory of 2364	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	34
PID 1728 wrote to memory of 2364	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	34
PID 1728 wrote to memory of 2144	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	36
PID 1728 wrote to memory of 2144	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	36
PID 1728 wrote to memory of 2144	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	36
PID 1728 wrote to memory of 2144	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	36
PID 1728 wrote to memory of 2708	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	38
PID 1728 wrote to memory of 2708	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	38
PID 1728 wrote to memory of 2708	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	38
PID 1728 wrote to memory of 2708	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	38
PID 1728 wrote to memory of 2872	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	41
PID 1728 wrote to memory of 2872	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	41
PID 1728 wrote to memory of 2872	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	41
PID 1728 wrote to memory of 2872	1728	JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe	41
PID 2808 wrote to memory of 2996	2808	mtfsbopj.exe	43
PID 2808 wrote to memory of 2996	2808	mtfsbopj.exe	43
PID 2808 wrote to memory of 2996	2808	mtfsbopj.exe	43
PID 2808 wrote to memory of 2996	2808	mtfsbopj.exe	43
PID 2808 wrote to memory of 2996	2808	mtfsbopj.exe	43
PID 2808 wrote to memory of 2996	2808	mtfsbopj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ciikkkdz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mtfsbopj.exe" C:\Windows\SysWOW64\ciikkkdz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2512
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ciikkkdz binPath= "C:\Windows\SysWOW64\ciikkkdz\mtfsbopj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ciikkkdz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ciikkkdz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- 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:2872

C:\Windows\SysWOW64\ciikkkdz\mtfsbopj.exe
C:\Windows\SysWOW64\ciikkkdz\mtfsbopj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c980c295af6645b1bb409ab0590a4ea02393dfeb8ce9fb4756d7ae97e53069f4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2996

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\mtfsbopj.exe

Filesize
13.4MB

MD5
9fd91f4248a47b98268280a5e17b474f

SHA1
d33449269cf005dea6ae7e5d5ac2b0fcd3af55d0

SHA256
b9f57a7b2de691a31b5e448336b1dd347386715c9859b49de5751fe29fbfdd40

SHA512
1e7195912b444411aa8fd15e87ea4073e2ecde4131b9f6ad8059d547ab59bef6c41c617108e3b1c071223fe7d47a8bc0d0fe00eb14e2445cb0aaa1f1b5c2cb82

Download Submit
memory/1728-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/1728-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1728-4-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/1728-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1728-9-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2808-17-0x0000000000400000-0x000000000086C000-memory.dmp

Filesize
4.4MB

Download
memory/2996-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2996-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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