Analysis
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max time kernel
145s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31-08-2024 15:45
Static task
static1
Behavioral task
behavioral1
Sample
cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe
Resource
win10v2004-20240802-en
General
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Target
cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe
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Size
10.1MB
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MD5
f777ab88e7988a6197689c84bd5c200b
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SHA1
9b8f94fe18fcfcbbb6ca1736751d6ca5ee417766
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SHA256
cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5
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SHA512
9e9730d5ee6629003f29dcd9193ccd09acfa52256439a8408019273fd12b5c87138de4459d659c63a7eb505cc81039a50767ca33adf687a389a40aeb6ba64436
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SSDEEP
12288:Iz+wSUpBMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMs:Iz8
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.ru
Signatures
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3088 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\vsfflfop\ImagePath = "C:\\Windows\\SysWOW64\\vsfflfop\\naorttre.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2444 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
naorttre.exepid process 1516 naorttre.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
naorttre.exedescription pid process target process PID 1516 set thread context of 2444 1516 naorttre.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 5072 sc.exe 5048 sc.exe 4252 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
Processes:
netsh.exedescription ioc process Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \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.
Processes:
netsh.execmd.exenaorttre.exesvchost.exesc.exesc.execc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.execmd.exesc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language naorttre.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exenaorttre.exedescription pid process target process PID 2648 wrote to memory of 1092 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe cmd.exe PID 2648 wrote to memory of 1092 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe cmd.exe PID 2648 wrote to memory of 1092 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe cmd.exe PID 2648 wrote to memory of 4812 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe cmd.exe PID 2648 wrote to memory of 4812 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe cmd.exe PID 2648 wrote to memory of 4812 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe cmd.exe PID 2648 wrote to memory of 5072 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 5072 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 5072 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 5048 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 5048 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 5048 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 4252 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 4252 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 4252 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe sc.exe PID 2648 wrote to memory of 3088 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe netsh.exe PID 2648 wrote to memory of 3088 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe netsh.exe PID 2648 wrote to memory of 3088 2648 cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe netsh.exe PID 1516 wrote to memory of 2444 1516 naorttre.exe svchost.exe PID 1516 wrote to memory of 2444 1516 naorttre.exe svchost.exe PID 1516 wrote to memory of 2444 1516 naorttre.exe svchost.exe PID 1516 wrote to memory of 2444 1516 naorttre.exe svchost.exe PID 1516 wrote to memory of 2444 1516 naorttre.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe"C:\Users\Admin\AppData\Local\Temp\cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vsfflfop\2⤵
- System Location Discovery: System Language Discovery
PID:1092 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\naorttre.exe" C:\Windows\SysWOW64\vsfflfop\2⤵
- System Location Discovery: System Language Discovery
PID:4812 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create vsfflfop binPath= "C:\Windows\SysWOW64\vsfflfop\naorttre.exe /d\"C:\Users\Admin\AppData\Local\Temp\cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5072 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description vsfflfop "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5048 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start vsfflfop2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4252 -
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>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3088
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C:\Windows\SysWOW64\vsfflfop\naorttre.exeC:\Windows\SysWOW64\vsfflfop\naorttre.exe /d"C:\Users\Admin\AppData\Local\Temp\cc405e27cf3c45f22534764ed6c2c3d7dc46264b4c275cfc53b3cf6707c211a5.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2444
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
12.3MB
MD5a71067878dd7414fbc1205ee6226e90f
SHA1991a273cb834b62327cd7420031bfef461fcab26
SHA25614e7a4bef789bcc8326c247f4ee32b1f32f5024a2943b3651d52d8c7a23fd9ae
SHA512eb300b41e89127e4a34604370d48828ea9831375dad6798616f62b7a2a488efcc07e6ee487c4bb83d36dfbf45f668da5b90a9ce64c2db049ddde0a78c84da542