Analysis Overview
SHA256
936004bbb9d3c4763c0e36cc887b21315ae6c2d55c366cb3b3390d480b827107
Threat Level: Known bad
The file feedlablest.exe was found to be: Known bad.
Malicious Activity Summary
SystemBC
Systembc family
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-05 19:26
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-05 19:26
Reported
2025-03-05 19:29
Platform
win11-20250218-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
SystemBC
Systembc family
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\feedlablest.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\ProgramData\qkdwna\prujkfc.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\feedlablest.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2287204051-441334380-1151193565-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2287204051-441334380-1151193565-1000\Software\Wine | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
| N/A | N/A | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\Test Task17.job | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\feedlablest.exe | N/A |
| N/A | N/A | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
| N/A | N/A | C:\ProgramData\qkdwna\prujkfc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\feedlablest.exe
"C:\Users\Admin\AppData\Local\Temp\feedlablest.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=4100,i,8425512666034524542,4476834323552806530,262144 --variations-seed-version --mojo-platform-channel-handle=3364 /prefetch:14
C:\ProgramData\qkdwna\prujkfc.exe
C:\ProgramData\qkdwna\prujkfc.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=4108,i,8425512666034524542,4476834323552806530,262144 --variations-seed-version --mojo-platform-channel-handle=5004 /prefetch:14
Network
| Country | Destination | Domain | Proto |
| GB | 2.20.12.95:80 | msedge.b.tlu.dl.delivery.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 204.79.197.239:443 | edge.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 2.17.5.133:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 13.107.21.239:443 | edge.microsoft.com | tcp |
| US | 13.107.21.239:443 | edge.microsoft.com | tcp |
| US | 199.232.210.172:80 | msedge.b.tlu.dl.delivery.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | msedge.b.tlu.dl.delivery.mp.microsoft.com | udp |
| US | 8.8.8.8:53 | msedge.b.tlu.dl.delivery.mp.microsoft.com | udp |
| IT | 91.80.49.22:80 | msedge.b.tlu.dl.delivery.mp.microsoft.com | tcp |
| US | 213.209.150.137:4000 | towerbingobongoboom.com | tcp |
| US | 213.209.150.137:4117 | towerbingobongoboom.com | tcp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 204.79.197.239:443 | edge.microsoft.com | tcp |
Files
memory/4944-0-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-1-0x00000000775D6000-0x00000000775D8000-memory.dmp
memory/4944-2-0x0000000000401000-0x0000000000403000-memory.dmp
memory/4944-3-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-6-0x0000000000400000-0x0000000000823000-memory.dmp
C:\ProgramData\qkdwna\prujkfc.exe
| MD5 | f53198e8b444658cf7134f5ccb466a98 |
| SHA1 | 0283e56ed7201eecfc7dad30cc6f3f30d677be66 |
| SHA256 | 936004bbb9d3c4763c0e36cc887b21315ae6c2d55c366cb3b3390d480b827107 |
| SHA512 | ee40f63f7b75cc1b55d11c56c25086d2d66ae86a3f65326d5a75cf0f2fac94ebee622cd4844b4f6468b2bfd011ab80558f41e1b62d2a7864b0ce7f61d3bdcf09 |
memory/4944-9-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-10-0x0000000000400000-0x0000000000823000-memory.dmp
C:\Windows\Tasks\Test Task17.job
| MD5 | d1ad714f83eb4c269a1dfa5028e5ee37 |
| SHA1 | 22ba031bc9655e9f07501ce2f9a46c30a37b59c3 |
| SHA256 | 4cb00efc5a379c0f6bc57c85825d7c803eb5c7731ba4c53a3be83e4427b5192c |
| SHA512 | 9a56a4334c5c1fb2186e70a947979248df550dc6266ba3cbe0d4cb6c8ec4916820b6d6123aedd6c45acc00708078f6c8da21b1d0ce3f5652d4bdf880757d7331 |
memory/760-12-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-13-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-14-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-15-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-16-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-17-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-18-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-19-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-20-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-21-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-22-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-23-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-24-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-25-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-26-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4944-27-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-28-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-29-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-30-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-31-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-32-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-33-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-34-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-35-0x0000000000400000-0x0000000000823000-memory.dmp
memory/760-36-0x0000000000400000-0x0000000000823000-memory.dmp