Analysis Overview
SHA256
56c860462f30759c805c66f5154cb2d9b6a292c84bfdd1ec7ecfdfeaa824bf0f
Threat Level: Likely malicious
The file Solara.Dir_4.zip 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
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 10:16
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 |
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 10:16
Reported
2024-06-11 10:18
Platform
win7-20240221-en
Max time kernel
24s
Max time network
19s
Command Line
Signatures
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Solara.Dir_4.zip
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 10:16
Reported
2024-06-11 10:18
Platform
win10v2004-20240508-en
Max time kernel
94s
Max time network
92s
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\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.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 |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe | N/A |
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Solara.Dir_4.zip
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
"C:\Users\Admin\Desktop\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| N/A | 127.0.0.1:54366 | tcp |
Files
memory/4920-1-0x00007FFF5B0B3000-0x00007FFF5B0B5000-memory.dmp
memory/4920-0-0x0000024E05F60000-0x0000024E05F7A000-memory.dmp
memory/4920-2-0x0000024E20AC0000-0x0000024E20FFC000-memory.dmp
memory/4920-3-0x00007FFF5B0B0000-0x00007FFF5BB71000-memory.dmp
memory/4920-4-0x0000024E20730000-0x0000024E207EA000-memory.dmp
memory/4920-5-0x0000024E063E0000-0x0000024E063EE000-memory.dmp
memory/4920-6-0x0000024E208F0000-0x0000024E2096E000-memory.dmp
memory/4920-7-0x0000000180000000-0x0000000180B19000-memory.dmp
memory/4920-8-0x0000000180000000-0x0000000180B19000-memory.dmp
memory/4920-9-0x0000000180000000-0x0000000180B19000-memory.dmp
memory/4920-12-0x0000024E206F0000-0x0000024E206F8000-memory.dmp
memory/4920-10-0x0000000180000000-0x0000000180B19000-memory.dmp
memory/4920-14-0x0000024E25660000-0x0000024E2566E000-memory.dmp
memory/4920-13-0x0000024E25690000-0x0000024E256C8000-memory.dmp
memory/4920-16-0x00007FFF5F9C0000-0x00007FFF5F9E4000-memory.dmp
memory/4920-15-0x0000000180000000-0x0000000180B19000-memory.dmp
memory/4920-17-0x0000024E25A00000-0x0000024E25AB2000-memory.dmp
memory/4920-18-0x0000000180000000-0x0000000180B19000-memory.dmp
memory/4920-20-0x00007FFF5B0B0000-0x00007FFF5BB71000-memory.dmp