Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/06/2024, 04:49
General
- Target e28d7ffda9222b82ad77d66cbb86f23ef50425486ab68c6a531ed8393951c5d5.exe
- Size 1.9MB
- Sample240603-ff7evsdc63
- SHA256 e28d7ffda9222b82ad77d66cbb86f23ef50425486ab68c6a531ed8393951c5d5
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
- Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 4 IoCs
- Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in System32 directory 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
- Drops file in Windows directory 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e28d7ffda9222b82ad77d66cbb86f23ef50425486ab68c6a531ed8393951c5d5.exe"C:\Users\Admin\AppData\Local\Temp\e28d7ffda9222b82ad77d66cbb86f23ef50425486ab68c6a531ed8393951c5d5.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
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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=4480 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
explorer.exe
spoolsv.exe
svchost.exe
memory/648-0-0x0000000000400000-0x0000000000873000-memory.dmp
memory/648-30-0x0000000000400000-0x0000000000873000-memory.dmp
memory/648-39-0x0000000000400000-0x0000000000873000-memory.dmp
memory/1256-17-0x0000000000400000-0x0000000000873000-memory.dmp
memory/1256-37-0x0000000000400000-0x0000000000873000-memory.dmp
memory/1872-31-0x0000000000400000-0x0000000000873000-memory.dmp
memory/1872-38-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-48-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-54-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-66-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-43-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-44-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-64-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-46-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-62-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-60-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-58-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-50-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-56-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-52-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4064-41-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-53-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-61-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-51-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-57-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-49-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-59-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-40-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-55-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-47-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-63-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-45-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-65-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-42-0x0000000000400000-0x0000000000873000-memory.dmp
memory/4216-67-0x0000000000400000-0x0000000000873000-memory.dmp