Overview

overview

9

Static

static

7

cat (2).exe

windows10-2004-x64

9

cat (2).exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    13s
  • max time network
    17s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 14:32

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General

  • Target
    cat (2).exe
  • Size 4.4MB
  • Sample260807-rwjvaazxes
  • SHA256 77007f912cdb665b568b37252e26666bc0baa052207f9fb2ec9b8789c7fb02de
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecutionthemidatrojan

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    defense_evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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.

    execution
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cat (2).exe
    "C:\Users\Admin\AppData\Local\Temp\cat (2).exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5904
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cat (2).exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:6096
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cat (2).exe" MD5
        3⤵
          PID:1300
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:2556
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:124

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              memory/5904-0-0x0000000140000000-0x0000000140B39000-memory.dmp
              Download

              memory/5904-3-0x0000000140000000-0x0000000140B39000-memory.dmp
              Download

              memory/5904-2-0x0000000140000000-0x0000000140B39000-memory.dmp
              Download

              memory/5904-1-0x0000000140000000-0x0000000140B39000-memory.dmp
              Download

              memory/5904-4-0x0000000140000000-0x0000000140B39000-memory.dmp
              Download

              memory/5904-5-0x0000000140000000-0x0000000140B39000-memory.dmp
              Download