Analysis Overview
SHA256
dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
Threat Level: Known bad
The file dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe was found to be: Known bad.
Malicious Activity Summary
Systembc family
SystemBC
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Identifies Wine through registry keys
Executes dropped EXE
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-06 05:18
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-06 05:18
Reported
2025-03-06 05:20
Platform
win7-20241010-en
Max time kernel
149s
Max time network
146s
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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\ProgramData\tcxxvqj\kjstat.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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\ProgramData\tcxxvqj\kjstat.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\ProgramData\tcxxvqj\kjstat.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\tcxxvqj\kjstat.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine | C:\ProgramData\tcxxvqj\kjstat.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| N/A | N/A | C:\ProgramData\tcxxvqj\kjstat.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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\tcxxvqj\kjstat.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| N/A | N/A | C:\ProgramData\tcxxvqj\kjstat.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2804 wrote to memory of 2776 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\tcxxvqj\kjstat.exe |
| PID 2804 wrote to memory of 2776 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\tcxxvqj\kjstat.exe |
| PID 2804 wrote to memory of 2776 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\tcxxvqj\kjstat.exe |
| PID 2804 wrote to memory of 2776 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\tcxxvqj\kjstat.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe
"C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {3252C5A8-BA62-40AF-8740-3B585F0A9DB9} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
C:\ProgramData\tcxxvqj\kjstat.exe
C:\ProgramData\tcxxvqj\kjstat.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | towerbingobongoboom.com | udp |
| US | 213.209.150.137:4000 | towerbingobongoboom.com | tcp |
| US | 213.209.150.137:4151 | towerbingobongoboom.com | tcp |
Files
memory/2424-0-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-1-0x0000000077D00000-0x0000000077D02000-memory.dmp
memory/2424-2-0x0000000000401000-0x0000000000403000-memory.dmp
memory/2424-4-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-6-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-7-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-8-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-9-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-10-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-13-0x0000000000400000-0x0000000000823000-memory.dmp
C:\ProgramData\tcxxvqj\kjstat.exe
| MD5 | 8c767708c9a9554c0afb504629e75ffd |
| SHA1 | c65394806c0f77af880c7ff8a021bd4222ca3f11 |
| SHA256 | dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d |
| SHA512 | f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16 |
memory/2776-14-0x0000000000400000-0x0000000000823000-memory.dmp
C:\Windows\Tasks\Test Task17.job
| MD5 | 41e66c7c88792b68af7670063d97436e |
| SHA1 | 1088dad224442d8dddd0170a1de359197f54a568 |
| SHA256 | 1127aea171baac4b10dcb84b90180d32011bf931e97290d62a3ee871cc0c8925 |
| SHA512 | ce1ee61f00be117e82594a63cfd4ad1d6ed3a03aeac0e1551a9568715d5088ca45778d5b30eedba73e745f8a55ed0d9980a9ab2c368702cb927cc12d4365403b |
memory/2776-16-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-17-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-18-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-19-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-20-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-21-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-22-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-23-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-24-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2424-25-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-26-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-27-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-28-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-29-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-30-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-31-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-32-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-33-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-34-0x0000000000400000-0x0000000000823000-memory.dmp
memory/2776-35-0x0000000000400000-0x0000000000823000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-03-06 05:18
Reported
2025-03-06 05:20
Platform
win10v2004-20250217-en
Max time kernel
145s
Max time network
147s
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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\ProgramData\ptbio\rlge.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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\ProgramData\ptbio\rlge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\ProgramData\ptbio\rlge.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\ptbio\rlge.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Wine | C:\ProgramData\ptbio\rlge.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| N/A | N/A | C:\ProgramData\ptbio\rlge.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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.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\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\ptbio\rlge.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe | N/A |
| N/A | N/A | C:\ProgramData\ptbio\rlge.exe | N/A |
| N/A | N/A | C:\ProgramData\ptbio\rlge.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe
"C:\Users\Admin\AppData\Local\Temp\dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d.exe"
C:\ProgramData\ptbio\rlge.exe
C:\ProgramData\ptbio\rlge.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | towerbingobongoboom.com | udp |
| US | 213.209.150.137:4000 | towerbingobongoboom.com | tcp |
| US | 213.209.150.137:4361 | towerbingobongoboom.com | tcp |
Files
memory/4924-0-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-1-0x0000000077264000-0x0000000077266000-memory.dmp
memory/4924-2-0x0000000000401000-0x0000000000403000-memory.dmp
memory/4924-3-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-6-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-7-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-8-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-9-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-10-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-11-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-12-0x0000000000400000-0x0000000000823000-memory.dmp
C:\ProgramData\ptbio\rlge.exe
| MD5 | 8c767708c9a9554c0afb504629e75ffd |
| SHA1 | c65394806c0f77af880c7ff8a021bd4222ca3f11 |
| SHA256 | dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d |
| SHA512 | f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16 |
memory/4448-15-0x0000000000400000-0x0000000000823000-memory.dmp
C:\Windows\Tasks\Test Task17.job
| MD5 | 93df97b842844b855e1c147825f7d38d |
| SHA1 | 057a6d8b9637914f94d88a5efcf3f2cd14cd8e22 |
| SHA256 | 75ba40d20879a9b233a9b9ba34f108609f78522e402932db1466d8dc31ef3c5e |
| SHA512 | e0d6918aac6e2a5e4254dc849d5a8086c7ff90d2d8671ba72b5093edabbfd009e803d1a6228771be28aff16fe9caa50885cff32c60d20ace79269113b0d8a1f2 |
memory/4448-17-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-18-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-19-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-20-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-21-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-22-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4924-23-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-24-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-25-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-26-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-27-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-28-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-29-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-30-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-31-0x0000000000400000-0x0000000000823000-memory.dmp
memory/4448-32-0x0000000000400000-0x0000000000823000-memory.dmp