Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 07:25
Static task
static1
Behavioral task
behavioral1
Sample
93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe
Resource
win10v2004-20240802-en
General
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Target
93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe
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Size
14.7MB
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MD5
85fc255b144ad1bae941cb10f76c562d
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SHA1
6961b75a7e5e1720c6fd01b4979c77f3269e7aec
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SHA256
93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9
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SHA512
e7e6ce112594f2d6a597ecd063e2797f1695be72dbd59316410d186be6e8876116662aa95d9ad25107a079b04eaffa7a7c039a99f2ef2fa15ae4681bace3f819
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SSDEEP
98304:/UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUc:
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 3240 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\oxpwwhwh\ImagePath = "C:\\Windows\\SysWOW64\\oxpwwhwh\\ynawiham.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 3136 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
ynawiham.exepid process 2588 ynawiham.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ynawiham.exedescription pid process target process PID 2588 set thread context of 3136 2588 ynawiham.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 1472 sc.exe 4116 sc.exe 4576 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 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 -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3676 4088 WerFault.exe 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe 1080 2588 WerFault.exe ynawiham.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:
sc.exesc.exenetsh.exeynawiham.exesvchost.exe93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.execmd.exesc.execmd.exedescription ioc process 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 ynawiham.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.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 cmd.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exeynawiham.exedescription pid process target process PID 4088 wrote to memory of 3196 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe cmd.exe PID 4088 wrote to memory of 3196 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe cmd.exe PID 4088 wrote to memory of 3196 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe cmd.exe PID 4088 wrote to memory of 5024 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe cmd.exe PID 4088 wrote to memory of 5024 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe cmd.exe PID 4088 wrote to memory of 5024 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe cmd.exe PID 4088 wrote to memory of 4576 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 4576 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 4576 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 1472 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 1472 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 1472 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 4116 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 4116 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 4116 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe sc.exe PID 4088 wrote to memory of 3240 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe netsh.exe PID 4088 wrote to memory of 3240 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe netsh.exe PID 4088 wrote to memory of 3240 4088 93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe netsh.exe PID 2588 wrote to memory of 3136 2588 ynawiham.exe svchost.exe PID 2588 wrote to memory of 3136 2588 ynawiham.exe svchost.exe PID 2588 wrote to memory of 3136 2588 ynawiham.exe svchost.exe PID 2588 wrote to memory of 3136 2588 ynawiham.exe svchost.exe PID 2588 wrote to memory of 3136 2588 ynawiham.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe"C:\Users\Admin\AppData\Local\Temp\93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oxpwwhwh\2⤵
- System Location Discovery: System Language Discovery
PID:3196 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ynawiham.exe" C:\Windows\SysWOW64\oxpwwhwh\2⤵
- System Location Discovery: System Language Discovery
PID:5024 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create oxpwwhwh binPath= "C:\Windows\SysWOW64\oxpwwhwh\ynawiham.exe /d\"C:\Users\Admin\AppData\Local\Temp\93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4576 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description oxpwwhwh "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1472 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start oxpwwhwh2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4116 -
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:3240 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 7802⤵
- Program crash
PID:3676
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C:\Windows\SysWOW64\oxpwwhwh\ynawiham.exeC:\Windows\SysWOW64\oxpwwhwh\ynawiham.exe /d"C:\Users\Admin\AppData\Local\Temp\93c57d1b6044486f8962a08e6ce7c774d54c0dc8fad2da404eb99e451b75b2e9.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3136 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 5082⤵
- Program crash
PID:1080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4088 -ip 40881⤵PID:2388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2588 -ip 25881⤵PID:4920
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
12.4MB
MD50fff4ec84b697110c53c48cb51be9ffd
SHA144e40452ed5da50788a6b91b9de897ab471b370c
SHA2563365e0b6c3371e0d39fc19fc3d34ce3913e8edc5efcc57c6286084b3998f783e
SHA512a4a76bf439abb4a1408e62df04ff69962b1f7a55ec7bc6f335f5b172421e38a7fa2255fb993614350b678824c9626c6e096db580b8efb46dc373aa4430498933