Analysis Overview
SHA256
2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358
Threat Level: Likely malicious
The file 2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358 was found to be: Likely malicious.
Malicious Activity Summary
Downloads MZ/PE file
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Checks installed software on the system
Drops file in Program Files directory
Drops file in Windows directory
Program crash
Enumerates physical storage devices
Unsigned PE
Modifies system certificate store
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-28 01:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-28 01:16
Reported
2024-05-28 01:19
Platform
win7-20240419-en
Max time kernel
121s
Max time network
129s
Command Line
Signatures
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dotnet-installer.exe | N/A |
| N/A | N/A | C:\Windows\Temp\{D13296E9-748F-493C-9E93-0E6C0C496B0F}\.cr\dotnet-installer.exe | N/A |
| N/A | N/A | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
Loads dropped DLL
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\{4c11c0c6-3e72-4029-8002-bdf76a0237ee} = "\"C:\\ProgramData\\Package Cache\\{4c11c0c6-3e72-4029-8002-bdf76a0237ee}\\windowsdesktop-runtime-7.0.19-win-x64.exe\" /burn.runonce" | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
Checks installed software on the system
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 7.0.19 (x64).swidtag | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Temp\{D13296E9-748F-493C-9E93-0E6C0C496B0F}\.cr\dotnet-installer.exe |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{4c11c0c6-3e72-4029-8002-bdf76a0237ee}\ = "{4c11c0c6-3e72-4029-8002-bdf76a0237ee}" | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{4c11c0c6-3e72-4029-8002-bdf76a0237ee}\Version = "7.0.19.33616" | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{4c11c0c6-3e72-4029-8002-bdf76a0237ee}\DisplayName = "Microsoft Windows Desktop Runtime - 7.0.19 (x64)" | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{4c11c0c6-3e72-4029-8002-bdf76a0237ee}\Dependents\{4c11c0c6-3e72-4029-8002-bdf76a0237ee} | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{4c11c0c6-3e72-4029-8002-bdf76a0237ee}\Dependents | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\Installer\Dependencies\{4c11c0c6-3e72-4029-8002-bdf76a0237ee} | C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 | C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe
"C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe"
C:\Users\Admin\AppData\Local\Temp\dotnet-installer.exe
"C:\Users\Admin\AppData\Local\Temp\dotnet-installer.exe" /quiet /install /norestart
C:\Windows\Temp\{D13296E9-748F-493C-9E93-0E6C0C496B0F}\.cr\dotnet-installer.exe
"C:\Windows\Temp\{D13296E9-748F-493C-9E93-0E6C0C496B0F}\.cr\dotnet-installer.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\dotnet-installer.exe" -burn.filehandle.attached=388 -burn.filehandle.self=392 /quiet /install /norestart
C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe
"C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.be\windowsdesktop-runtime-7.0.19-win-x64.exe" -q -burn.elevated BurnPipe.{F98130B5-0613-4745-BFA9-2DB9E74B9E78} {FCAD0112-982F-4EA7-BD1F-E1A82311615E} 2756
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 488
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | download.visualstudio.microsoft.com | udp |
| FR | 68.232.34.200:443 | download.visualstudio.microsoft.com | tcp |
Files
memory/2452-0-0x0000000000B10000-0x0000000000BCA000-memory.dmp
C:\Windows\Temp\{D13296E9-748F-493C-9E93-0E6C0C496B0F}\.cr\dotnet-installer.exe
| MD5 | 10c900a36259308da255d4f4c5541851 |
| SHA1 | a981c65b02cbd9ba78789ac12ae8e5960c105972 |
| SHA256 | c21f203974dc618614214ff90f87a2ad08e1235ade5042b4ab17744c4aa78c5f |
| SHA512 | 47cfe61b75506dbb4c34453a1cf64f4f11b41cbb01752ea53d76b156a33b6a8f2d40ccb77e05dc4318e77b7bce2b78c797cb049f5a86e3fe9cce9ced572023e4 |
\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.ba\wixstdba.dll
| MD5 | 87c8a7ea44e8ee0d9358e25b7dcd397d |
| SHA1 | 0e2021be823fee499175d2c0d68346d15c02a376 |
| SHA256 | b7de0a0ca3a94738747abd708e30ba1f9638a8c8b7d8173c76d4f39fae3d9346 |
| SHA512 | 98b5bbe5bb3ec331a0025e3da209296050b2f695be5a4b90b5c939f8fbbaada6dd93483eba779c10151546c2798aab5282fa619a55ec0cf04f56a03795a0a3f5 |
C:\Windows\Temp\{8CA52EEE-1748-4170-A961-49B44593F46B}\.ba\bg.png
| MD5 | 9eb0320dfbf2bd541e6a55c01ddc9f20 |
| SHA1 | eb282a66d29594346531b1ff886d455e1dcd6d99 |
| SHA256 | 9095bf7b6baa0107b40a4a6d727215be077133a190f4ca9bd89a176842141e79 |
| SHA512 | 9ada3a1757a493fbb004bd767fab8f77430af69d71479f340b8b8ede904cc94cd733700db593a4a2d2e1184c0081fd0648318d867128e1cb461021314990931d |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-28 01:16
Reported
2024-05-28 01:19
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\gwinstaller.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4864 wrote to memory of 3960 | N/A | C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe | C:\Users\Admin\AppData\Local\Temp\gwinstaller.exe |
| PID 4864 wrote to memory of 3960 | N/A | C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe | C:\Users\Admin\AppData\Local\Temp\gwinstaller.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe
"C:\Users\Admin\AppData\Local\Temp\2e148bf19d0d30ceec10222dd69857bbaebf04d96040e3c8c043ffaa4a3bb358.exe"
C:\Users\Admin\AppData\Local\Temp\gwinstaller.exe
"C:\Users\Admin\AppData\Local\Temp\gwinstaller.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 174.117.168.52.in-addr.arpa | udp |
Files
memory/4864-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/4864-1-0x0000000000A30000-0x0000000000AEA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gwinstaller.exe
| MD5 | 16f024f5ecf6cbd3152215c768d690d2 |
| SHA1 | 902af7b0eb792118c73f271650190abaef6d4946 |
| SHA256 | fc647cb1fb9120b6f02edbaa427905cd0f9a2b7a77ac5a0bfe8bf0c41265f534 |
| SHA512 | fe7a22d96e2521a16a860eb0be2ffd7be77c69113cf6b85aafec15df717b5a013e6cf4229896ba05fb43a9fe4c7bf1b754e1734346dec8876317d32a681b50aa |