Analysis Overview
SHA256
c5ed5b21d36910a85b0211b15f2ec37951801518ba1ea4cb801f14526fb23201
Threat Level: Likely malicious
The file 2d50abb15c4fbb426826c2bd0dfdaf61.bin was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Themida packer
Checks BIOS information in registry
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 01:27
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
2024-06-12 01:27
Reported
2024-06-12 01:30
Platform
win7-20240221-en
Max time kernel
119s
Max time network
124s
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:\Windows\SysWOW64\rundll32.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\SysWOW64\rundll32.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 |
| 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:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2696 wrote to memory of 1312 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d456977f4d338c27ace3a30a24d10959c27101326bb015300059ed5ca6f57b8.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d456977f4d338c27ace3a30a24d10959c27101326bb015300059ed5ca6f57b8.dll,#1
Network
Files
memory/1312-0-0x00000000746B0000-0x0000000075201000-memory.dmp
memory/1312-1-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-2-0x00000000746B0000-0x0000000075201000-memory.dmp
memory/1312-3-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-4-0x0000000077D20000-0x0000000077D22000-memory.dmp
memory/1312-5-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-6-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-7-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-10-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-11-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-9-0x00000000735C0000-0x0000000074111000-memory.dmp
memory/1312-8-0x00000000735C0000-0x0000000074111000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 01:27
Reported
2024-06-12 01:30
Platform
win10v2004-20240611-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:\Windows\SysWOW64\rundll32.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\SysWOW64\rundll32.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 |
| 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:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5024 wrote to memory of 628 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5024 wrote to memory of 628 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5024 wrote to memory of 628 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d456977f4d338c27ace3a30a24d10959c27101326bb015300059ed5ca6f57b8.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d456977f4d338c27ace3a30a24d10959c27101326bb015300059ed5ca6f57b8.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
Files
memory/628-0-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-1-0x00000000774F4000-0x00000000774F6000-memory.dmp
memory/628-2-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-3-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-4-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-5-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-7-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-8-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-6-0x0000000074400000-0x0000000074F51000-memory.dmp
memory/628-9-0x0000000074400000-0x0000000074F51000-memory.dmp