Analysis
- user interaction
yes - max time kernel
208s - max time network
136s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 15:47
General
- Target OG_Loader.exe
- Size 6.3MB
- Sample260804-s8njnsteqf
- SHA256 37056efb68e85ff235455d7238f2b178a70b9f48f89979730a30fac2826096a7
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Indicator Removal: Clear Persistence 1 TTPs 1 IoCs
remove IFEO.
- Looks up external IP address via web service 1 TTPs 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\OG_Loader.exe"C:\Users\Admin\AppData\Local\Temp\OG_Loader.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Indicator Removal: Clear Persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\OG_Loader.exe"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\timeout.exetimeout /t 23⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Indicator Removal
1Clear Persistence
1Virtualization/Sandbox Evasion
3Replay Monitor
Loading Replay Monitor...
Downloads
memory/3200-0-0x00007FF672B04000-0x00007FF672EB1000-memory.dmp
memory/3200-1-0x00007FFA9A110000-0x00007FFA9A112000-memory.dmp
memory/3200-2-0x00007FFA9A120000-0x00007FFA9A122000-memory.dmp
memory/3200-5-0x00007FF672A80000-0x00007FF673509000-memory.dmp
memory/3200-8-0x00007FF672A80000-0x00007FF673509000-memory.dmp
memory/3200-3-0x00007FF672A80000-0x00007FF673509000-memory.dmp
memory/3200-10-0x00007FF672B04000-0x00007FF672EB1000-memory.dmp
memory/3200-9-0x00007FF672A80000-0x00007FF673509000-memory.dmp