Analysis Overview
SHA256
7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4
Threat Level: Known bad
The file 84077d0d389983e7dc332740ccbade19 was found to be: Known bad.
Malicious Activity Summary
Banload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-09 22:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-09 22:55
Reported
2024-04-09 23:00
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Banload
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\84077d0d389983e7dc332740ccbade19.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\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\RTFClassName | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\RTFClassName\MSWinWrite | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe
"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"
C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe
"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"
Network
Files
memory/1640-0-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/1640-1-0x0000000002D90000-0x00000000037EF000-memory.dmp
memory/1896-3-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/1896-2-0x0000000003870000-0x0000000003A7C000-memory.dmp
memory/1896-10-0x0000000003870000-0x0000000003A7C000-memory.dmp
memory/1640-13-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/1896-14-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/1896-15-0x0000000003870000-0x0000000003A7C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-09 22:55
Reported
2024-04-09 23:01
Platform
win10v2004-20240226-en
Max time kernel
164s
Max time network
177s
Command Line
Signatures
Banload
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\84077d0d389983e7dc332740ccbade19.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\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ = "C:\\Windows\\SysWOW64\\mscoree.dll" | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Assembly = "mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Class = "System.Globalization.IdnMapping" | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2852 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe |
| PID 2852 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe |
| PID 2852 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe |
| PID 2852 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe |
| PID 2852 wrote to memory of 3856 | N/A | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe | C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe
"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.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 --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe
"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.179.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 234.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.16.208.104.in-addr.arpa | udp |
Files
memory/2852-0-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/3856-3-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/3856-4-0x0000000005160000-0x000000000536C000-memory.dmp
memory/3856-10-0x0000000005160000-0x000000000536C000-memory.dmp
memory/3856-11-0x0000000005160000-0x000000000536C000-memory.dmp
memory/3856-12-0x0000000000400000-0x0000000000E5F000-memory.dmp
memory/3856-14-0x0000000005160000-0x000000000536C000-memory.dmp