Analysis

  • user interaction
    yes
  • max time kernel
    599s
  • max time network
    455s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-es
  • resource tags

    arch:x64arch:x86image:win11-20260513-eslocale:es-esos:windows11-21h2-x64systemwindows
  • submitted
    17/05/2026, 02:04

General

  • Target
    Smothered.exe
  • Size 322KB
  • Sample260517-chek3sft2p
  • SHA256 84796a2f935cdfcd2128c34625102af47780bc538cd7bf4827718e8a3202b1bd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Smothered.exe
    "C:\Users\Admin\AppData\Local\Temp\Smothered.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4768

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        WMSDKNS.XML.bak

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
        • Size 9KB
        • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4768-19-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-18-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-3-0x0000000005C20000-0x0000000005C30000-memory.dmp

        memory/4768-4-0x0000000007360000-0x00000000073A0000-memory.dmp

        memory/4768-5-0x00000000074B0000-0x00000000075B2000-memory.dmp

        memory/4768-1-0x0000000005DF0000-0x0000000006396000-memory.dmp

        memory/4768-2-0x00000000058E0000-0x0000000005972000-memory.dmp

        memory/4768-21-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-17-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-20-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-0-0x0000000000F20000-0x0000000000F76000-memory.dmp

        memory/4768-22-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-23-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-24-0x0000000007720000-0x0000000007730000-memory.dmp

        memory/4768-26-0x0000000005C20000-0x0000000005C30000-memory.dmp