Analysis Overview
SHA256
3b347a4641e8553c4ecbee8e6d86c32311cd9348d61eb55929aae076e82f96c3
Threat Level: Known bad
The file s.exe was found to be: Known bad.
Malicious Activity Summary
Echelon
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Reads user/profile data of web browsers
Themida packer
Checks BIOS information in registry
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-09-28 16:13
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2021-09-28 16:12
Reported
2021-09-28 16:15
Platform
win10-en-20210920
Max time kernel
114s
Max time network
119s
Command Line
Signatures
Echelon
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
Reads user/profile data of web browsers
Themida packer
| Description | Indicator | Process | Target |
| 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\s.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\s.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\s.exe
"C:\Users\Admin\AppData\Local\Temp\s.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 2524
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.api.mega.co.nz | udp |
| LU | 66.203.125.15:443 | g.api.mega.co.nz | tcp |
Files
memory/2276-115-0x0000000077CD0000-0x0000000077E5E000-memory.dmp
memory/2276-117-0x0000000000130000-0x0000000000131000-memory.dmp
memory/2276-119-0x0000000005740000-0x0000000005741000-memory.dmp
memory/2276-120-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/2276-121-0x0000000006350000-0x0000000006351000-memory.dmp
memory/2276-122-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
memory/2276-123-0x0000000006850000-0x0000000006851000-memory.dmp
memory/2276-124-0x00000000059A3000-0x00000000059A5000-memory.dmp
memory/2276-125-0x00000000059A5000-0x00000000059A6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-28 16:12
Reported
2021-09-28 16:16
Platform
win7v20210408
Max time kernel
152s
Max time network
163s
Command Line
Signatures
Echelon
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| 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\s.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\s.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\s.exe
"C:\Users\Admin\AppData\Local\Temp\s.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.api.mega.co.nz | udp |
| LU | 66.203.125.11:443 | g.api.mega.co.nz | tcp |
Files
memory/1924-60-0x0000000076691000-0x0000000076693000-memory.dmp
memory/1924-62-0x0000000000C10000-0x0000000000C11000-memory.dmp
memory/1924-64-0x0000000005E90000-0x0000000005E91000-memory.dmp
memory/1924-65-0x0000000005E95000-0x0000000005EA6000-memory.dmp
memory/1924-66-0x0000000005EA6000-0x0000000005EA7000-memory.dmp
memory/1924-67-0x0000000005EA7000-0x0000000005EA8000-memory.dmp
memory/1924-68-0x0000000005EA8000-0x0000000005EA9000-memory.dmp
memory/1924-69-0x0000000005EA9000-0x0000000005EAA000-memory.dmp
memory/1924-70-0x0000000005EAA000-0x0000000005EAB000-memory.dmp
memory/1924-71-0x0000000005EAB000-0x0000000005EAC000-memory.dmp
memory/1924-72-0x0000000005EAC000-0x0000000005EAD000-memory.dmp
memory/1924-73-0x0000000005EAD000-0x0000000005EAE000-memory.dmp
memory/1924-74-0x0000000005EAE000-0x0000000005EAF000-memory.dmp
memory/1924-75-0x0000000005EAF000-0x0000000005EB0000-memory.dmp
memory/1924-76-0x0000000005EB0000-0x0000000005EB1000-memory.dmp
memory/1924-77-0x0000000005EB1000-0x0000000005EB2000-memory.dmp
memory/1924-78-0x0000000005EB2000-0x0000000005EB3000-memory.dmp
memory/1924-79-0x0000000005EB3000-0x0000000005EB4000-memory.dmp
memory/1924-80-0x0000000005EB4000-0x0000000005EB5000-memory.dmp
memory/1924-81-0x0000000005EB5000-0x0000000005EB6000-memory.dmp
memory/1924-82-0x0000000005EB6000-0x0000000005EB8000-memory.dmp
memory/1924-83-0x0000000005EB8000-0x0000000005EBA000-memory.dmp