Analysis Overview
SHA256
184f79b0b16d11216e8ee8e899f8d83800e717f0676d56ef66e0a4b11aeca998
Threat Level: Likely malicious
The file fsfpv5.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Command and Scripting Interpreter: PowerShell
Deletes itself
Themida packer
Checks BIOS information in registry
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 08:22
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-10 08:20
Reported
2024-06-10 08:25
Platform
win7-20240419-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe
"C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe"
Network
Files
memory/2236-1-0x0000000140000000-0x0000000142B32000-memory.dmp
memory/2236-2-0x0000000140000000-0x0000000142B32000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 08:20
Reported
2024-06-10 08:25
Platform
win10v2004-20240508-en
Max time kernel
93s
Max time network
123s
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\fsfpv5.exe | N/A |
Command and Scripting Interpreter: PowerShell
| 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 |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.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 |
| 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\fsfpv5.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
NTFS ADS
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe:database | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe:database-journal | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
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:\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\fsfpv5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4540 wrote to memory of 4224 | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4540 wrote to memory of 4224 | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4540 wrote to memory of 1300 | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4540 wrote to memory of 1300 | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4540 wrote to memory of 4632 | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4540 wrote to memory of 4632 | N/A | C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe
"C:\Users\Admin\AppData\Local\Temp\fsfpv5.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -WindowStyle Hidden -command [System.Security.Principal.WindowsIdentity]::GetCurrent().Name
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -WindowStyle Hidden -command "Get-WmiObject -Query \"select model,serialnumber from win32_diskdrive where mediatype='fixed hard disk media'\" | Select-Object -Property Model, SerialNumber | ConvertTo-Json"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -WindowStyle Hidden -command [System.Security.Principal.WindowsIdentity]::GetCurrent().Name
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 104.17.242.61:443 | tcp | |
| US | 66.175.219.81:443 | tcp | |
| US | 104.18.26.183:443 | tcp | |
| US | 104.21.21.67:443 | tcp | |
| US | 104.24.0.59:443 | tcp | |
| US | 188.114.96.10:443 | tcp | |
| US | 8.8.8.8:53 | 147.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.242.17.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.26.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.21.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.0.24.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.96.114.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.219.175.66.in-addr.arpa | udp |
| US | 104.17.242.61:443 | tcp | |
| US | 104.17.242.61:443 | tcp | |
| US | 104.17.242.61:443 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/4540-0-0x0000000140000000-0x0000000142B32000-memory.dmp
memory/4540-1-0x00007FF935B50000-0x00007FF935B52000-memory.dmp
memory/4540-2-0x0000000140000000-0x0000000142B32000-memory.dmp
memory/4540-3-0x0000000140000000-0x0000000142B32000-memory.dmp
memory/4540-4-0x0000000140000000-0x0000000142B32000-memory.dmp
memory/4540-5-0x0000000140000000-0x0000000142B32000-memory.dmp
memory/4224-11-0x00007FF935AB0000-0x00007FF935CA5000-memory.dmp
memory/4224-10-0x00007FF935AB0000-0x00007FF935CA5000-memory.dmp
memory/4224-12-0x00007FF935AB0000-0x00007FF935CA5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wbveiilg.osc.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4224-20-0x0000017C21B90000-0x0000017C21BB2000-memory.dmp
memory/4224-28-0x00007FF935AB0000-0x00007FF935CA5000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d8b9a260789a22d72263ef3bb119108c |
| SHA1 | 376a9bd48726f422679f2cd65003442c0b6f6dd5 |
| SHA256 | d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc |
| SHA512 | 550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b |
memory/1300-41-0x0000028472B90000-0x0000028472D52000-memory.dmp
memory/1300-42-0x0000028473290000-0x00000284737B8000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 0a619e03d7b05cd57ea82a52c49c3c90 |
| SHA1 | 042a6d18510700ac2ff7d258f90230a09c7a3c27 |
| SHA256 | dac940fbc111620c78954018de09b57db729dd059768d52a0d6d3b0f020691f8 |
| SHA512 | af33c361774dc2ca2591ac5a07919bbcd9e144c61d2790a26be3f5189b3f9874fed64f02152aa27182572a88764431457584d61e97d190b1ccfc2ca4813fcfa7 |
memory/4540-60-0x0000000140000000-0x0000000142B32000-memory.dmp