Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2024, 14:24

General

  • Target
    HyperUD.exe
  • Size 234KB
  • Sample240309-rqq2eaae7s
  • SHA256 6fad9668c32f1b4906274dc81e836e5c22fd572371956c7723722b078247e636
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HyperUD.exe
    "C:\Users\Admin\AppData\Local\Temp\HyperUD.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4348

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/3144-0-0x0000021462850000-0x0000021462890000-memory.dmp

        memory/3144-1-0x00007FFD2DB20000-0x00007FFD2E5E1000-memory.dmp

        memory/3144-2-0x000002147CF40000-0x000002147CF50000-memory.dmp

        memory/3144-4-0x00007FFD2DB20000-0x00007FFD2E5E1000-memory.dmp