Analysis Overview
SHA256
49baf01ac7b25976cc78119c8c9f80f28f5fa45bac6def9f4bdc9793c9b2c960
Threat Level: Likely malicious
The file Arsenic.zip was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Obfuscated with Agile.Net obfuscator
Loads dropped DLL
Themida packer
Checks BIOS information in registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-10 18:27
Signatures
Obfuscated with Agile.Net obfuscator
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-10 18:27
Reported
2023-07-10 18:58
Platform
win7-20230705-en
Max time kernel
1610s
Max time network
1615s
Command Line
Signatures
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Arsenic.zip
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-10 18:27
Reported
2023-07-10 18:58
Platform
win10v2004-20230703-en
Max time kernel
1797s
Max time network
1156s
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\Arsenic\Arsenic.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\Arsenic\Arsenic.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
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Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4564 wrote to memory of 1304 | N/A | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | C:\Windows\System32\Wbem\wmic.exe |
| PID 4564 wrote to memory of 1304 | N/A | C:\Users\Admin\Desktop\Arsenic\Arsenic.exe | C:\Windows\System32\Wbem\wmic.exe |
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Arsenic.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\Arsenic\Arsenic.exe
"C:\Users\Admin\Desktop\Arsenic\Arsenic.exe"
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | assets.msn.com | udp |
| DE | 2.16.186.232:443 | assets.msn.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.186.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 141.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | phoenix.5v.pl | udp |
| FR | 37.187.156.46:443 | phoenix.5v.pl | tcp |
| US | 8.8.8.8:53 | 46.156.187.37.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.151.224.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
memory/4564-133-0x000001E794210000-0x000001E794ED8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\6c49532e-e21f-4380-bf48-33c3b4686956\Arsenic.dll
| MD5 | 05b012457488a95a05d0541e0470d392 |
| SHA1 | 74f541d6a8365508c794ef7b4ac7c297457f9ce3 |
| SHA256 | 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d |
| SHA512 | 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6 |
C:\Users\Admin\AppData\Local\Temp\6c49532e-e21f-4380-bf48-33c3b4686956\Arsenic.dll
| MD5 | 05b012457488a95a05d0541e0470d392 |
| SHA1 | 74f541d6a8365508c794ef7b4ac7c297457f9ce3 |
| SHA256 | 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d |
| SHA512 | 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6 |
memory/4564-141-0x000001E795330000-0x000001E795340000-memory.dmp
memory/4564-142-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-144-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-145-0x00007FF8546B0000-0x00007FF8547FE000-memory.dmp
memory/4564-146-0x000001E7B2EC0000-0x000001E7B2F10000-memory.dmp
memory/4564-147-0x000001E7B30D0000-0x000001E7B3146000-memory.dmp
memory/4564-148-0x000001E795330000-0x000001E795340000-memory.dmp
memory/4564-149-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-150-0x000001E795330000-0x000001E795340000-memory.dmp
memory/4564-151-0x000001E795330000-0x000001E795340000-memory.dmp
memory/4564-153-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-154-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-159-0x000001E795330000-0x000001E795340000-memory.dmp
memory/4564-161-0x000001E795330000-0x000001E795340000-memory.dmp
memory/4564-163-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-165-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-166-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-183-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-189-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-193-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-199-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp
memory/4564-213-0x00007FF84DAC0000-0x00007FF84E644000-memory.dmp