Analysis Overview
SHA256
614d8a0cfd93b3ab2f4e01ea490ba9d350f7ea786a18b54785581777df71b371
Threat Level: Known bad
The file 614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe was found to be: Known bad.
Malicious Activity Summary
SystemBC
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Downloads MZ/PE file
Executes dropped EXE
Checks BIOS information in registry
Deletes itself
Identifies Wine through registry keys
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-10 12:01
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-10 12:01
Reported
2022-11-10 12:03
Platform
win7-20220901-en
Max time kernel
134s
Max time network
121s
Command Line
Signatures
SystemBC
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\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Windows\TEMP\solpkqf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Windows\TEMP\solpkqf.exe | N/A |
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\TEMP\solpkqf.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\TEMP\solpkqf.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\TEMP\solpkqf.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\TEMP\solpkqf.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\wow64.job | C:\Windows\TEMP\solpkqf.exe | N/A |
| File opened for modification | C:\Windows\Tasks\wow64.job | C:\Windows\TEMP\solpkqf.exe | N/A |
| File created | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| File opened for modification | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| File created | C:\Windows\Tasks\oaevlvomkdgngxmgxmb.job | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\solpkqf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe
"C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {C6C12CCE-2D26-4D36-9D3E-CBFF469B745C} S-1-5-18:NT AUTHORITY\System:Service:
C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe
C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe start
C:\Windows\TEMP\solpkqf.exe
C:\Windows\TEMP\solpkqf.exe
C:\Windows\TEMP\solpkqf.exe
C:\Windows\TEMP\solpkqf.exe start
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | n20b28tu.info | udp |
| NL | 178.208.75.191:4248 | n20b28tu.info | tcp |
| NL | 178.208.75.191:80 | n20b28tu.info | tcp |
Files
memory/1308-54-0x0000000000400000-0x0000000000922000-memory.dmp
memory/1308-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
memory/1308-56-0x0000000076FB0000-0x0000000077130000-memory.dmp
memory/1308-57-0x0000000000400000-0x0000000000922000-memory.dmp
memory/1540-58-0x0000000000000000-mapping.dmp
memory/1540-59-0x0000000000400000-0x0000000000922000-memory.dmp
memory/1540-60-0x0000000076FB0000-0x0000000077130000-memory.dmp
memory/1540-62-0x0000000000400000-0x0000000000922000-memory.dmp
memory/1308-63-0x0000000076FB0000-0x0000000077130000-memory.dmp
memory/1540-64-0x0000000076FB0000-0x0000000077130000-memory.dmp
memory/1308-65-0x0000000076FB0000-0x0000000077130000-memory.dmp
C:\Windows\TEMP\solpkqf.exe
| MD5 | dd3a5df905b4aca6028903b83919514a |
| SHA1 | 801fc5875148a0a648e6e246dcbd1ce0ad6c007f |
| SHA256 | 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957 |
| SHA512 | 34bee5e5d9f645f4757762b85a8765919058baf7fc4aad8f11d8f2f80ff80d2daa931c29b83e8437242a9ca2718794a97caa2881ec40a6d68811e386b08e6af1 |
memory/828-67-0x0000000000000000-mapping.dmp
C:\Windows\Temp\solpkqf.exe
| MD5 | dd3a5df905b4aca6028903b83919514a |
| SHA1 | 801fc5875148a0a648e6e246dcbd1ce0ad6c007f |
| SHA256 | 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957 |
| SHA512 | 34bee5e5d9f645f4757762b85a8765919058baf7fc4aad8f11d8f2f80ff80d2daa931c29b83e8437242a9ca2718794a97caa2881ec40a6d68811e386b08e6af1 |
memory/828-69-0x0000000000400000-0x0000000000886000-memory.dmp
memory/828-71-0x0000000076FB0000-0x0000000077130000-memory.dmp
C:\Windows\Tasks\wow64.job
| MD5 | c9aa4261c3c9e6ea9675cb37e655ed51 |
| SHA1 | 7fbcbc6269fe8424a2990f7a41eafc6a3e353216 |
| SHA256 | 7a2a24da7f326f70910eeafa3b1314af78f4b918021af978549039101993f0da |
| SHA512 | 2ea17c241637a38b1a6912f7da62cef8fa6c35df601adf2aca73e45e53d8f2edb12d1e02ba9949b8b39777edf9a0db61346f7c10cc2b8b284541284aa91a771d |
memory/1540-73-0x0000000076FB0000-0x0000000077130000-memory.dmp
memory/828-74-0x0000000000400000-0x0000000000886000-memory.dmp
C:\Windows\Temp\solpkqf.exe
| MD5 | dd3a5df905b4aca6028903b83919514a |
| SHA1 | 801fc5875148a0a648e6e246dcbd1ce0ad6c007f |
| SHA256 | 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957 |
| SHA512 | 34bee5e5d9f645f4757762b85a8765919058baf7fc4aad8f11d8f2f80ff80d2daa931c29b83e8437242a9ca2718794a97caa2881ec40a6d68811e386b08e6af1 |
memory/1236-75-0x0000000000000000-mapping.dmp
memory/1236-77-0x0000000000400000-0x0000000000886000-memory.dmp
memory/1236-79-0x0000000076FB0000-0x0000000077130000-memory.dmp
memory/1236-80-0x0000000000400000-0x0000000000886000-memory.dmp
memory/828-81-0x0000000076FB0000-0x0000000077130000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-10 12:01
Reported
2022-11-10 12:03
Platform
win10v2004-20220812-en
Max time kernel
143s
Max time network
149s
Command Line
Signatures
SystemBC
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\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Windows\TEMP\bfkn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Windows\TEMP\bfkn.exe | N/A |
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.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\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\TEMP\bfkn.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\TEMP\bfkn.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\TEMP\bfkn.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\TEMP\bfkn.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| File created | C:\Windows\Tasks\djxfodcpncbombxnpec.job | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| File created | C:\Windows\Tasks\wow64.job | C:\Windows\TEMP\bfkn.exe | N/A |
| File opened for modification | C:\Windows\Tasks\wow64.job | C:\Windows\TEMP\bfkn.exe | N/A |
| File created | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
| N/A | N/A | C:\Windows\TEMP\bfkn.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe
"C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe"
C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe
C:\Users\Admin\AppData\Local\Temp\614D8A0CFD93B3AB2F4E01EA490BA9D350F7EA786A18B.exe start
C:\Windows\TEMP\bfkn.exe
C:\Windows\TEMP\bfkn.exe
C:\Windows\TEMP\bfkn.exe
C:\Windows\TEMP\bfkn.exe start
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | n20b28tu.info | udp |
| NL | 178.208.75.191:4248 | n20b28tu.info | tcp |
| AU | 104.46.162.224:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| NL | 178.208.75.191:80 | n20b28tu.info | tcp |
Files
memory/716-132-0x0000000000400000-0x0000000000922000-memory.dmp
memory/716-133-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/716-134-0x0000000000400000-0x0000000000922000-memory.dmp
memory/4972-135-0x0000000000400000-0x0000000000922000-memory.dmp
memory/4972-136-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/4972-137-0x0000000000400000-0x0000000000922000-memory.dmp
memory/716-138-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/4972-139-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/716-140-0x0000000077550000-0x00000000776F3000-memory.dmp
C:\Windows\Temp\bfkn.exe
| MD5 | dd3a5df905b4aca6028903b83919514a |
| SHA1 | 801fc5875148a0a648e6e246dcbd1ce0ad6c007f |
| SHA256 | 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957 |
| SHA512 | 34bee5e5d9f645f4757762b85a8765919058baf7fc4aad8f11d8f2f80ff80d2daa931c29b83e8437242a9ca2718794a97caa2881ec40a6d68811e386b08e6af1 |
C:\Windows\TEMP\bfkn.exe
| MD5 | dd3a5df905b4aca6028903b83919514a |
| SHA1 | 801fc5875148a0a648e6e246dcbd1ce0ad6c007f |
| SHA256 | 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957 |
| SHA512 | 34bee5e5d9f645f4757762b85a8765919058baf7fc4aad8f11d8f2f80ff80d2daa931c29b83e8437242a9ca2718794a97caa2881ec40a6d68811e386b08e6af1 |
memory/1244-143-0x0000000000400000-0x0000000000886000-memory.dmp
memory/1244-144-0x0000000077550000-0x00000000776F3000-memory.dmp
C:\Windows\Tasks\wow64.job
| MD5 | 68667eb391c47b343427836ba16952ec |
| SHA1 | 8812c6573d5f02a1436e5c82a36ff430ed9b987c |
| SHA256 | 3de88331dc719e45e458fbb26a4527dfead1c82624e1d1785b226d66bda8fe1a |
| SHA512 | c3d67a479dd610de1d09a59a025dd08189186cadf2fa107f2ae3f15fa2f460f909d568d6a8d878f2cb167718f2b02d4eedfd513b0be16057378bd1d2448ba594 |
memory/4972-146-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/1244-147-0x0000000000400000-0x0000000000886000-memory.dmp
C:\Windows\Temp\bfkn.exe
| MD5 | dd3a5df905b4aca6028903b83919514a |
| SHA1 | 801fc5875148a0a648e6e246dcbd1ce0ad6c007f |
| SHA256 | 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957 |
| SHA512 | 34bee5e5d9f645f4757762b85a8765919058baf7fc4aad8f11d8f2f80ff80d2daa931c29b83e8437242a9ca2718794a97caa2881ec40a6d68811e386b08e6af1 |
memory/4892-149-0x0000000000400000-0x0000000000886000-memory.dmp
memory/4892-150-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/4892-151-0x0000000000400000-0x0000000000886000-memory.dmp
memory/1244-152-0x0000000077550000-0x00000000776F3000-memory.dmp
memory/4892-153-0x0000000077550000-0x00000000776F3000-memory.dmp