Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 03:44

General

  • Target
    b5af56159fca949821bb7b63a72a0079b9845ea501bb182c90608c53ca088f5a.exe
  • Size 4.8MB
  • Sample260424-eap3ysbt5r
  • SHA256 b5af56159fca949821bb7b63a72a0079b9845ea501bb182c90608c53ca088f5a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5af56159fca949821bb7b63a72a0079b9845ea501bb182c90608c53ca088f5a.exe
    "C:\Users\Admin\AppData\Local\Temp\b5af56159fca949821bb7b63a72a0079b9845ea501bb182c90608c53ca088f5a.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:3168

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        9A19ADAD9D098E039450ABBEDD5616EB_CE18D35E70C72FBD424F3A4C77930458

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9A19ADAD9D098E039450ABBEDD5616EB_CE18D35E70C72FBD424F3A4C77930458
        • Size 5B
        • SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
        • MD5 SHA1 SHA512

        7z.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{2EC67259-AD3D-4547-9BEB-B807C5863C20}.tmp\7z.dll
        • Size 1.1MB
        • SHA256 43ab16e268342796e773b516c6062db70d04fea647ec5a63199ce5c4f125f9ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        360NetUL.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{DC5D125F-136B-43c9-9EB1-24CD333AF58B}.tmp\360NetUL.dll
        • Size 237KB
        • SHA256 57da4c2a9b303cdbef17a9937a983a67ea9d32f8c7474077f300bedb03887520
        • MD5 SHA1 SHA512 SSDEEP TLSH