Analysis Overview
SHA256
0b06f84f2776bf4e4c28e73625defe855d3817b1de1a17183db39016f7109695
Threat Level: Likely malicious
The file inst.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Themida packer
Checks computer location settings
Obfuscated with Agile.Net obfuscator
Loads dropped DLL
Checks whether UAC is enabled
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 11:41
Signatures
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-08 11:41
Reported
2024-04-08 11:44
Platform
win7-20240319-en
Max time kernel
141s
Max time network
150s
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\inst.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\inst.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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\inst.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2168 wrote to memory of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2168 wrote to memory of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2168 wrote to memory of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2168 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2168 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2168 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\inst.exe
"C:\Users\Admin\AppData\Local\Temp\inst.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\inst.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'inst.exe'
Network
| Country | Destination | Domain | Proto |
| DE | 89.58.4.128:7771 | tcp |
Files
memory/2168-0-0x0000000000EB0000-0x00000000013FA000-memory.dmp
memory/2168-1-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp
memory/2168-2-0x000000001B630000-0x000000001B6B0000-memory.dmp
\Users\Admin\AppData\Local\Temp\c3151015-52f5-4d47-88a4-ea55aea0d52a\AgileDotNetRT64.dll
| MD5 | 9bb6ed08af544d3738e60200d2804180 |
| SHA1 | 5a40b484ca56b1ce59add4ec283e21d60070be02 |
| SHA256 | 86d49f3894cc3de038abcde03803de8b6f239c237f34930ce5c41ab725c26cb7 |
| SHA512 | 63e6b90457c3e3e6e419e30fe57e35c66e08059611fbe4ffb60d28acd6ee8d9f0ccfa31d7b27e9af44ab13512490f3b7b7f5130df947c5de50a937dcee0a91a5 |
memory/2168-9-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-11-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-21-0x000007FEF3BF0000-0x000007FEF3D1C000-memory.dmp
memory/2968-26-0x000000001B260000-0x000000001B542000-memory.dmp
memory/2968-27-0x0000000002560000-0x0000000002568000-memory.dmp
memory/2968-28-0x000007FEECAD0000-0x000007FEED46D000-memory.dmp
memory/2968-29-0x0000000002610000-0x0000000002690000-memory.dmp
memory/2968-30-0x0000000002614000-0x0000000002617000-memory.dmp
memory/2968-31-0x000000000261B000-0x0000000002682000-memory.dmp
memory/2968-32-0x000007FEECAD0000-0x000007FEED46D000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | b6b60e4617587e16fbe1cf7472f5f04b |
| SHA1 | b8c6ba22318064f0b7aa4156c91bd5076fd763d0 |
| SHA256 | 4fa73899a6f1759189a369e4c696e008eace1136949c8828d0e267f6371d33f5 |
| SHA512 | ed17dbe4a5c83146fc7630cdcf93b4210ad61c981354cfd156ce4cee93e0da6d32ed9255092b1fbc34c0601c58b96b242611a32e1c6e34fc05c07f79b6f6b734 |
memory/2672-39-0x000000001B2A0000-0x000000001B582000-memory.dmp
memory/2168-38-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2672-40-0x0000000001EB0000-0x0000000001EB8000-memory.dmp
memory/2672-41-0x000007FEEC130000-0x000007FEECACD000-memory.dmp
memory/2672-42-0x0000000002930000-0x00000000029B0000-memory.dmp
memory/2672-43-0x000007FEEC130000-0x000007FEECACD000-memory.dmp
memory/2672-44-0x0000000002930000-0x00000000029B0000-memory.dmp
memory/2168-45-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp
memory/2672-46-0x0000000002930000-0x00000000029B0000-memory.dmp
memory/2672-47-0x000007FEEC130000-0x000007FEECACD000-memory.dmp
memory/2168-48-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-49-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-50-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-51-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-52-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-53-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-54-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-55-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-56-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-57-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-58-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-59-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-60-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
memory/2168-61-0x000007FEEE950000-0x000007FEEF102000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 11:41
Reported
2024-04-08 11:44
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
150s
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\inst.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\inst.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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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| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
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\inst.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2720 wrote to memory of 1500 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2720 wrote to memory of 1500 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2720 wrote to memory of 4672 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2720 wrote to memory of 4672 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\inst.exe
"C:\Users\Admin\AppData\Local\Temp\inst.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\inst.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'inst.exe'
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| DE | 89.58.4.128:7771 | tcp | |
| US | 8.8.8.8:53 | 128.4.58.89.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/2720-1-0x00007FFA26110000-0x00007FFA26BD1000-memory.dmp
memory/2720-0-0x0000000000B70000-0x00000000010BA000-memory.dmp
memory/2720-2-0x0000000003180000-0x0000000003190000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\c3151015-52f5-4d47-88a4-ea55aea0d52a\AgileDotNetRT64.dll
| MD5 | 9bb6ed08af544d3738e60200d2804180 |
| SHA1 | 5a40b484ca56b1ce59add4ec283e21d60070be02 |
| SHA256 | 86d49f3894cc3de038abcde03803de8b6f239c237f34930ce5c41ab725c26cb7 |
| SHA512 | 63e6b90457c3e3e6e419e30fe57e35c66e08059611fbe4ffb60d28acd6ee8d9f0ccfa31d7b27e9af44ab13512490f3b7b7f5130df947c5de50a937dcee0a91a5 |
memory/2720-9-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-11-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-12-0x00007FFA249C0000-0x00007FFA24B0E000-memory.dmp
memory/1500-23-0x00007FFA26110000-0x00007FFA26BD1000-memory.dmp
memory/1500-24-0x000001957D160000-0x000001957D170000-memory.dmp
memory/1500-25-0x000001957D160000-0x000001957D170000-memory.dmp
memory/1500-22-0x000001957D3E0000-0x000001957D402000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d4bqk41s.qji.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1500-28-0x00007FFA26110000-0x00007FFA26BD1000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
memory/4672-30-0x00007FFA26110000-0x00007FFA26BD1000-memory.dmp
memory/4672-31-0x0000022468A80000-0x0000022468A90000-memory.dmp
memory/4672-32-0x0000022468A80000-0x0000022468A90000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 62623d22bd9e037191765d5083ce16a3 |
| SHA1 | 4a07da6872672f715a4780513d95ed8ddeefd259 |
| SHA256 | 95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010 |
| SHA512 | 9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992 |
memory/4672-44-0x00007FFA26110000-0x00007FFA26BD1000-memory.dmp
memory/2720-45-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-46-0x00007FFA26110000-0x00007FFA26BD1000-memory.dmp
memory/2720-47-0x0000000003180000-0x0000000003190000-memory.dmp
memory/2720-48-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-49-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-50-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-52-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-53-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-54-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-55-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-56-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-57-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-58-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp
memory/2720-60-0x00007FFA214B0000-0x00007FFA21C62000-memory.dmp