Analysis Overview
SHA256
18c0bba23af8256a5f9e3de3038555a6a706dddd0c24123c011c1a8aa4d78156
Threat Level: Likely malicious
The file fix-injector.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Sets service image path in registry
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Checks BIOS information in registry
Themida packer
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-15 16:25
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 16:25
Reported
2024-06-15 16:28
Platform
win7-20240611-en
Max time kernel
141s
Max time network
120s
Command Line
Signatures
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ZCsnaWPyUxTkb\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\ZCsnaWPyUxTkb" | C:\Windows\SoftwareDistribution\Download\fXILX.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SoftwareDistribution\Download\fXILX.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SoftwareDistribution\Download\fXILX.exe | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SoftwareDistribution\Download\fXILX.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SoftwareDistribution\Download\fXILX.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fix-injector.exe
"C:\Users\Admin\AppData\Local\Temp\fix-injector.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c color 9
C:\Windows\SoftwareDistribution\Download\fXILX.exe
"C:\Windows\SoftwareDistribution\Download\fXILX.exe"
Network
Files
memory/2500-0-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-1-0x0000000077B10000-0x0000000077B12000-memory.dmp
memory/2500-2-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-4-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-7-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-5-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-3-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-6-0x000000013F2B0000-0x000000013FC37000-memory.dmp
\Windows\SoftwareDistribution\Download\fXILX.exe
| MD5 | 03997b52220aa284bd6da2f39a82b002 |
| SHA1 | 7aa87879a471cbda376914927a3b6b8274a6d642 |
| SHA256 | 7873158c42440a31a986c1472c0982404f54325ccd0c8b3a6e63a707277945a2 |
| SHA512 | e7ccf9300166cb8c3d81153e9675240778a4910b2f503f8c2293c273f42eee6fe0841d66fe0baa91d9355392b06b85008921a75c90969d2b823d2092935efef9 |
memory/2500-16-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-17-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-18-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-19-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-21-0x000000013F2B0000-0x000000013FC37000-memory.dmp
memory/2500-26-0x000000013F2B0000-0x000000013FC37000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 16:25
Reported
2024-06-15 16:28
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\cPomyDaDVbRMgSwptXVZEa\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\cPomyDaDVbRMgSwptXVZEa" | C:\Windows\SoftwareDistribution\Download\1fYxY.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SoftwareDistribution\Download\1fYxY.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SoftwareDistribution\Download\1fYxY.exe | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SoftwareDistribution\Download\1fYxY.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SoftwareDistribution\Download\1fYxY.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4636 wrote to memory of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | C:\Windows\system32\cmd.exe |
| PID 4636 wrote to memory of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | C:\Windows\system32\cmd.exe |
| PID 4636 wrote to memory of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | C:\Windows\system32\cmd.exe |
| PID 4636 wrote to memory of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | C:\Windows\system32\cmd.exe |
| PID 4636 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | C:\Windows\SoftwareDistribution\Download\1fYxY.exe |
| PID 4636 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\fix-injector.exe | C:\Windows\SoftwareDistribution\Download\1fYxY.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fix-injector.exe
"C:\Users\Admin\AppData\Local\Temp\fix-injector.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c color 9
C:\Windows\SoftwareDistribution\Download\1fYxY.exe
"C:\Windows\SoftwareDistribution\Download\1fYxY.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=2860,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=3940 /prefetch:8
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/4636-0-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-1-0x00007FFF1EED0000-0x00007FFF1EED2000-memory.dmp
memory/4636-2-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-3-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-5-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-6-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-7-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-4-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
C:\Windows\SoftwareDistribution\Download\1fYxY.exe
| MD5 | 03997b52220aa284bd6da2f39a82b002 |
| SHA1 | 7aa87879a471cbda376914927a3b6b8274a6d642 |
| SHA256 | 7873158c42440a31a986c1472c0982404f54325ccd0c8b3a6e63a707277945a2 |
| SHA512 | e7ccf9300166cb8c3d81153e9675240778a4910b2f503f8c2293c273f42eee6fe0841d66fe0baa91d9355392b06b85008921a75c90969d2b823d2092935efef9 |
memory/4636-18-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-19-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-20-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-22-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4636-23-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
memory/4216-26-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-25-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-24-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-30-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-31-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-36-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-35-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-34-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-33-0x000001847FC20000-0x000001847FC21000-memory.dmp
memory/4216-32-0x000001847FC20000-0x000001847FC21000-memory.dmp