tofsee | 63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 04:39

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General

Target

JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe
Size

184KB
MD5

3db9deb4da0c2e98f67b21a01da5798a
SHA1

0bab4573d5568dcbf457beaa2c9aa1cb086da533
SHA256

63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de
SHA512

577f24934aea433fd08313e01b76fb97015c57c3b7a7e56ff6259ce90f7360c44f6e508f3e3813dbd1f28bb29eeec6fa3bba3ae7a35306bc2001d32ad9999555
SSDEEP

3072:sVmEokfyWvwFtJ6Y9A+MNtr0phGheXMWhsHPZPwg9IlAP4MAhgC:slokaWvYqtltYjqeXM2oPF+l88

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\hobyxica = "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
2156	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\hobyxica\ImagePath = "C:\\Windows\\SysWOW64\\hobyxica\\wmmmbsyq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2588	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	wmmmbsyq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2588	2696	wmmmbsyq.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1884	sc.exe
2700	sc.exe
2768	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.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	wmmmbsyq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2392	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	31
PID 2320 wrote to memory of 2392	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	31
PID 2320 wrote to memory of 2392	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	31
PID 2320 wrote to memory of 2392	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	31
PID 2320 wrote to memory of 2260	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	33
PID 2320 wrote to memory of 2260	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	33
PID 2320 wrote to memory of 2260	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	33
PID 2320 wrote to memory of 2260	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	33
PID 2320 wrote to memory of 1884	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	35
PID 2320 wrote to memory of 1884	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	35
PID 2320 wrote to memory of 1884	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	35
PID 2320 wrote to memory of 1884	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	35
PID 2320 wrote to memory of 2700	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	37
PID 2320 wrote to memory of 2700	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	37
PID 2320 wrote to memory of 2700	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	37
PID 2320 wrote to memory of 2700	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	37
PID 2320 wrote to memory of 2768	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	39
PID 2320 wrote to memory of 2768	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	39
PID 2320 wrote to memory of 2768	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	39
PID 2320 wrote to memory of 2768	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	39
PID 2320 wrote to memory of 2156	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	42
PID 2320 wrote to memory of 2156	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	42
PID 2320 wrote to memory of 2156	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	42
PID 2320 wrote to memory of 2156	2320	JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe	42
PID 2696 wrote to memory of 2588	2696	wmmmbsyq.exe	44
PID 2696 wrote to memory of 2588	2696	wmmmbsyq.exe	44
PID 2696 wrote to memory of 2588	2696	wmmmbsyq.exe	44
PID 2696 wrote to memory of 2588	2696	wmmmbsyq.exe	44
PID 2696 wrote to memory of 2588	2696	wmmmbsyq.exe	44
PID 2696 wrote to memory of 2588	2696	wmmmbsyq.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hobyxica\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wmmmbsyq.exe" C:\Windows\SysWOW64\hobyxica\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hobyxica binPath= "C:\Windows\SysWOW64\hobyxica\wmmmbsyq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hobyxica "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hobyxica
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- 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:2156

C:\Windows\SysWOW64\hobyxica\wmmmbsyq.exe
C:\Windows\SysWOW64\hobyxica\wmmmbsyq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f81f8264b1f8339dd8f9d6403bcd6a36f4f84a88cc6318022654acc01a01de.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:2588

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\wmmmbsyq.exe

Filesize
12.4MB

MD5
244d9d78f52fb89ad8c0624145192602

SHA1
3f2a9108f51f44d931090f90cfa9ebbfd5aa7de7

SHA256
285feef6df4f76601f504bee268f5dd8fc5c90f9c85a583b027161d639e5286c

SHA512
59e01749e02a3ec336ea77f17d189c9642bec33a8923e42951fab1ec45596c8f70bce7caa7ef8be067c9d6c2e96433f0076469363a06f64f287a6a769535b506

Download Submit
memory/2320-8-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2320-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2320-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download
memory/2320-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2320-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2320-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2588-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2696-16-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads