tofsee | 1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 21:15

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General

Target

JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe
Size

262KB
MD5

4ee647771485ffc9848991a8cba8f527
SHA1

7c0ebf75d310c5725db233f6e67f923d526d68b5
SHA256

1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36
SHA512

9b93bd56dfa68a9cbec621b879d48fe2d093e84a924f92400f454ddfe0b39e9ed919e4b0918e1a31c2754110556c130b05d0b604d7eefa4ace39ec5dfe6b5f81
SSDEEP

6144:Bw4If8y3w4qjCACIrdYf6K5OCacgsP+19G4oVG+EwnGS:Bw4IEyvqjCAnriCK50cgs+1ERGsnG

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\sntvtyho = "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
2844	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\sntvtyho\ImagePath = "C:\\Windows\\SysWOW64\\sntvtyho\\wujvplwm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2208	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	wujvplwm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 2208	2800	wujvplwm.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1964	sc.exe
2184	sc.exe
2280	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_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.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	wujvplwm.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2088	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	30
PID 1944 wrote to memory of 2088	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	30
PID 1944 wrote to memory of 2088	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	30
PID 1944 wrote to memory of 2088	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	30
PID 1944 wrote to memory of 1340	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	32
PID 1944 wrote to memory of 1340	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	32
PID 1944 wrote to memory of 1340	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	32
PID 1944 wrote to memory of 1340	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	32
PID 1944 wrote to memory of 1964	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	34
PID 1944 wrote to memory of 1964	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	34
PID 1944 wrote to memory of 1964	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	34
PID 1944 wrote to memory of 1964	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	34
PID 1944 wrote to memory of 2184	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	36
PID 1944 wrote to memory of 2184	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	36
PID 1944 wrote to memory of 2184	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	36
PID 1944 wrote to memory of 2184	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	36
PID 1944 wrote to memory of 2280	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	38
PID 1944 wrote to memory of 2280	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	38
PID 1944 wrote to memory of 2280	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	38
PID 1944 wrote to memory of 2280	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	38
PID 1944 wrote to memory of 2844	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	41
PID 1944 wrote to memory of 2844	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	41
PID 1944 wrote to memory of 2844	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	41
PID 1944 wrote to memory of 2844	1944	JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe	41
PID 2800 wrote to memory of 2208	2800	wujvplwm.exe	43
PID 2800 wrote to memory of 2208	2800	wujvplwm.exe	43
PID 2800 wrote to memory of 2208	2800	wujvplwm.exe	43
PID 2800 wrote to memory of 2208	2800	wujvplwm.exe	43
PID 2800 wrote to memory of 2208	2800	wujvplwm.exe	43
PID 2800 wrote to memory of 2208	2800	wujvplwm.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sntvtyho\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wujvplwm.exe" C:\Windows\SysWOW64\sntvtyho\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sntvtyho binPath= "C:\Windows\SysWOW64\sntvtyho\wujvplwm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sntvtyho "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2184
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sntvtyho
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2280
- 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:2844

C:\Windows\SysWOW64\sntvtyho\wujvplwm.exe
C:\Windows\SysWOW64\sntvtyho\wujvplwm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fd9a5cd4b99aa127df418c91d64587722d645403a50bbfd577591e1d7fceb36.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- 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:2208

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\wujvplwm.exe

Filesize
11.2MB

MD5
73e161cecde776c200217422f00ef374

SHA1
1a62b0296e788e3eb77eabde233813beeec43ca8

SHA256
f0529226af29d8ffa48c6bada4d5e0795fa2a0f86da0b7c893544c0dd91b6b7a

SHA512
d43e6cc5885d67c77818d6cd72b355221be2a1540d2caa4592a8a5acfeebcbd1e3618f1056f72b3e5a9e2f66bcc654c27682b83ff1cc9ac974dcab5ce2723e5b

Download Submit
memory/1944-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1944-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1944-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1944-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1944-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1944-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2208-16-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2208-14-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2208-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2208-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2208-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2800-17-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads