Analysis
- max time kernel
149s - max time network
117s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
25/04/2026, 07:06
General
- Target TANVIREXEBYPASS.exe
- Size 17.9MB
- Sample260425-hxesaaaw21
- SHA256 50441849d6e4fd80ec4f94172c1fa2b600357b311edc4eb036589bc704625daa
Score
9/10
Malware Config
Signatures
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TANVIREXEBYPASS.exe"C:\Users\Admin\AppData\Local\Temp\TANVIREXEBYPASS.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3144-0-0x0000029C73C60000-0x0000029C74E4A000-memory.dmp
memory/3144-1-0x0000029C774C0000-0x0000029C774D0000-memory.dmp
memory/3144-3-0x0000029C76A90000-0x0000029C76AA2000-memory.dmp