Analysis
- max time kernel
49s - max time network
42s - platform
windows10-2004_x64 - resource
win10v2004-20240319-en - resource tags
- submitted
09/04/2024, 16:38
General
- Target modest-menu.exe
- Size 16.9MB
- Sample240409-t5f6vsfh7x
- SHA256 a568e2a4d89ab76ab9ff11b30bf320dcc4413353660678c51abc79863ff3c1c4
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Themida packer 9 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 32 IoCs
- Suspicious use of SendNotifyMessage 32 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\modest-menu.exe"C:\Users\Admin\AppData\Local\Temp\modest-menu.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /71⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
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=5088 --field-trial-handle=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3560-0-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-1-0x00007FFC64410000-0x00007FFC64605000-memory.dmp
memory/3560-2-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-3-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-4-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-5-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-6-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-7-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-8-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-9-0x00007FF7852B0000-0x00007FF787CBF000-memory.dmp
memory/3560-10-0x00007FFC64410000-0x00007FFC64605000-memory.dmp
memory/5736-11-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-13-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-12-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-23-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-22-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-21-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-20-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-19-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-18-0x0000015A07F10000-0x0000015A07F11000-memory.dmp
memory/5736-17-0x0000015A07F10000-0x0000015A07F11000-memory.dmp