Analysis
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max time kernel
145s -
max time network
144s -
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 00:58
Static task
static1
Behavioral task
behavioral1
Sample
f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe
Resource
win10v2004-20240802-en
General
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Target
f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe
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Size
11.8MB
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MD5
4fece95c5138be47dc60bef4279def37
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SHA1
1a8feffb0571f72236b16aeffd5223d0ed2400c4
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SHA256
f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705
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SHA512
a4c40a3d0963d7ce1d2b15f67e382964fb26a4f52509f770f7f7f6ceeedaa34050f3a13734f70f5f6eb03beb0b03cbc673ab9d7835855bdbf2f9de970feb81d6
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SSDEEP
196608:p4TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTn:p
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
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 1492 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\clphekja\ImagePath = "C:\\Windows\\SysWOW64\\clphekja\\gwwwlcia.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 4700 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
gwwwlcia.exepid process 4596 gwwwlcia.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
gwwwlcia.exedescription pid process target process PID 4596 set thread context of 4700 4596 gwwwlcia.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 4132 sc.exe 3944 sc.exe 4472 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 -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 2580 620 WerFault.exe f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe 848 4596 WerFault.exe gwwwlcia.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:
cmd.execmd.exesc.exenetsh.exesvchost.exef4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exesc.exegwwwlcia.exesc.exedescription ioc process 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gwwwlcia.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exegwwwlcia.exedescription pid process target process PID 620 wrote to memory of 4412 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe cmd.exe PID 620 wrote to memory of 4412 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe cmd.exe PID 620 wrote to memory of 4412 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe cmd.exe PID 620 wrote to memory of 1124 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe cmd.exe PID 620 wrote to memory of 1124 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe cmd.exe PID 620 wrote to memory of 1124 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe cmd.exe PID 620 wrote to memory of 4132 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 4132 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 4132 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 3944 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 3944 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 3944 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 4472 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 4472 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 4472 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe sc.exe PID 620 wrote to memory of 1492 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe netsh.exe PID 620 wrote to memory of 1492 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe netsh.exe PID 620 wrote to memory of 1492 620 f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe netsh.exe PID 4596 wrote to memory of 4700 4596 gwwwlcia.exe svchost.exe PID 4596 wrote to memory of 4700 4596 gwwwlcia.exe svchost.exe PID 4596 wrote to memory of 4700 4596 gwwwlcia.exe svchost.exe PID 4596 wrote to memory of 4700 4596 gwwwlcia.exe svchost.exe PID 4596 wrote to memory of 4700 4596 gwwwlcia.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:620 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\clphekja\2⤵
- System Location Discovery: System Language Discovery
PID:4412 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gwwwlcia.exe" C:\Windows\SysWOW64\clphekja\2⤵
- System Location Discovery: System Language Discovery
PID:1124 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create clphekja binPath= "C:\Windows\SysWOW64\clphekja\gwwwlcia.exe /d\"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4132 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description clphekja "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3944 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start clphekja2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4472 -
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:1492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 11882⤵
- Program crash
PID:2580
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C:\Windows\SysWOW64\clphekja\gwwwlcia.exeC:\Windows\SysWOW64\clphekja\gwwwlcia.exe /d"C:\Users\Admin\AppData\Local\Temp\f4debee839654168bc951377f49cb7f3af9cc125168975e3ea1a111f92efb705.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4700 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 5322⤵
- Program crash
PID:848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 620 -ip 6201⤵PID:1336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4596 -ip 45961⤵PID:1280
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
12.1MB
MD587822d2825ab2f4c491dcc54a0994260
SHA1d98061d0ba0be95f92cbd8275ea33eb18924996c
SHA256a76a6d2b8e97a37a8bcfae4471da35056b3cfdbeae0ef29800418b63c9db613a
SHA5125c34dfef757a799f7fe0395fe61b494cd4e44a4d2437939c90a32c30cde81b820f2788c29c86b597a38b6a71709892849ae5cdfe63d22f81c0f9c1ceb7be2818