Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/04/2026, 07:06

General

  • Target
    TANVIREXEBYPASS.exe
  • Size 17.9MB
  • Sample260425-hxesaaaw21
  • SHA256 50441849d6e4fd80ec4f94172c1fa2b600357b311edc4eb036589bc704625daa
  • MD5 SHA1 SHA512 SSDEEP TLSH
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
    PID:4212

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4212-0-0x000001B289910000-0x000001B28AAFA000-memory.dmp

        memory/4212-1-0x000001B2A5240000-0x000001B2A5250000-memory.dmp

        memory/4212-3-0x000001B28AEE0000-0x000001B28AEEC000-memory.dmp