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
Checks computer location settings
Obfuscated with Agile.Net obfuscator
Loads dropped DLL
Themida packer
Checks whether UAC is enabled
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 11:58
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 11:58
Reported
2024-04-08 12:01
Platform
win7-20240221-en
Max time kernel
141s
Max time network
153s
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\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\inst.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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 2300 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2300 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2300 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2300 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2300 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2300 wrote to memory of 2808 | 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/2300-0-0x0000000000100000-0x000000000064A000-memory.dmp
memory/2300-1-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp
memory/2300-2-0x000000001B550000-0x000000001B5D0000-memory.dmp
\Users\Admin\AppData\Local\Temp\c3151015-52f5-4d47-88a4-ea55aea0d52a\AgileDotNetRT64.dll
| MD5 | 9bb6ed08af544d3738e60200d2804180 |
| SHA1 | 5a40b484ca56b1ce59add4ec283e21d60070be02 |
| SHA256 | 86d49f3894cc3de038abcde03803de8b6f239c237f34930ce5c41ab725c26cb7 |
| SHA512 | 63e6b90457c3e3e6e419e30fe57e35c66e08059611fbe4ffb60d28acd6ee8d9f0ccfa31d7b27e9af44ab13512490f3b7b7f5130df947c5de50a937dcee0a91a5 |
memory/2300-9-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-11-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-21-0x000007FEF3F20000-0x000007FEF404C000-memory.dmp
memory/2720-26-0x000000001B230000-0x000000001B512000-memory.dmp
memory/2720-28-0x000007FEEEE60000-0x000007FEEF7FD000-memory.dmp
memory/2720-27-0x00000000024E0000-0x00000000024E8000-memory.dmp
memory/2720-29-0x00000000024F0000-0x0000000002570000-memory.dmp
memory/2720-30-0x000007FEEEE60000-0x000007FEEF7FD000-memory.dmp
memory/2720-31-0x00000000024F0000-0x0000000002570000-memory.dmp
memory/2720-32-0x00000000024F0000-0x0000000002570000-memory.dmp
memory/2720-33-0x00000000024F0000-0x0000000002570000-memory.dmp
memory/2720-34-0x000007FEEEE60000-0x000007FEEF7FD000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 8a9b3f289fd66999e84fd3efe3206e17 |
| SHA1 | 68a2dc78ebeedd8b7eabdaa3e02a7a15e497c861 |
| SHA256 | a3e49bbf29520bb414c07f8c460913fdfefa967d7a1e4a252d7436477172a403 |
| SHA512 | 5b173d2c349536fda8034cabe513b892690832ce57652bd7a9757097b11583402db18101d251d51fde7db5d54538aaaef991df19741a1e1c44ab4c63ace38207 |
memory/2300-40-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2808-44-0x0000000002570000-0x00000000025F0000-memory.dmp
memory/2808-43-0x000007FEED300000-0x000007FEEDC9D000-memory.dmp
memory/2808-42-0x0000000001DE0000-0x0000000001DE8000-memory.dmp
memory/2808-41-0x000000001B280000-0x000000001B562000-memory.dmp
memory/2808-47-0x0000000002570000-0x00000000025F0000-memory.dmp
memory/2808-46-0x0000000002570000-0x00000000025F0000-memory.dmp
memory/2300-48-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp
memory/2808-49-0x0000000002570000-0x00000000025F0000-memory.dmp
memory/2808-45-0x000007FEED300000-0x000007FEEDC9D000-memory.dmp
memory/2808-50-0x000007FEED300000-0x000007FEEDC9D000-memory.dmp
memory/2300-51-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-52-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-53-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-54-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-55-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-56-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-57-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-58-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-59-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-60-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-61-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-62-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
memory/2300-63-0x000007FEF1B60000-0x000007FEF2312000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 11:58
Reported
2024-04-08 12:01
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
143s
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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:\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 4648 wrote to memory of 3772 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4648 wrote to memory of 3772 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4648 wrote to memory of 4768 | N/A | C:\Users\Admin\AppData\Local\Temp\inst.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4648 wrote to memory of 4768 | 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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4648-0-0x0000000000EA0000-0x00000000013EA000-memory.dmp
memory/4648-1-0x00007FFFD8860000-0x00007FFFD9321000-memory.dmp
memory/4648-2-0x000000001C140000-0x000000001C150000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\c3151015-52f5-4d47-88a4-ea55aea0d52a\AgileDotNetRT64.dll
| MD5 | 9bb6ed08af544d3738e60200d2804180 |
| SHA1 | 5a40b484ca56b1ce59add4ec283e21d60070be02 |
| SHA256 | 86d49f3894cc3de038abcde03803de8b6f239c237f34930ce5c41ab725c26cb7 |
| SHA512 | 63e6b90457c3e3e6e419e30fe57e35c66e08059611fbe4ffb60d28acd6ee8d9f0ccfa31d7b27e9af44ab13512490f3b7b7f5130df947c5de50a937dcee0a91a5 |
memory/4648-9-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-11-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-12-0x00007FFFD7110000-0x00007FFFD725E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1qwaimu.1dp.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3772-22-0x00007FFFD8860000-0x00007FFFD9321000-memory.dmp
memory/3772-23-0x000001A749360000-0x000001A749370000-memory.dmp
memory/3772-24-0x000001A749360000-0x000001A749370000-memory.dmp
memory/3772-25-0x000001A749610000-0x000001A749632000-memory.dmp
memory/3772-28-0x00007FFFD8860000-0x00007FFFD9321000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
memory/4768-39-0x00007FFFD8860000-0x00007FFFD9321000-memory.dmp
memory/4768-40-0x00000237489C0000-0x00000237489D0000-memory.dmp
memory/4768-41-0x00000237489C0000-0x00000237489D0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 731e9e4becec0b1ef9caad4b3562d4b4 |
| SHA1 | 6dffb77aba4e92ad5bd4b7c02fdee6f328bcd457 |
| SHA256 | 71c7eca538938fa4d5b470fee41cfe43734e9beb9ae409d5b41111fa1a15c2d5 |
| SHA512 | 841cf559ae5b0feec4be43018717641399b3602a553112e98b07d498f1a44169924466abc7e2313b8e8cf1c0fdc1bb7635e2818aab8269b0ef349a0ba0cd6ae5 |
memory/4768-44-0x00007FFFD8860000-0x00007FFFD9321000-memory.dmp
memory/4648-45-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-46-0x00007FFFD8860000-0x00007FFFD9321000-memory.dmp
memory/4648-47-0x000000001C140000-0x000000001C150000-memory.dmp
memory/4648-48-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-49-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-50-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-51-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-52-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-53-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-55-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-56-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-57-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-58-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-59-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-60-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp
memory/4648-61-0x00007FFFD3590000-0x00007FFFD3D42000-memory.dmp