Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04-07-2024 20:16

General

  • Target

    dead-payload.exe

  • Size

    254KB

  • MD5

    25a2522c3853f29cea7396fcd3e70c7c

  • SHA1

    188fced84fffb29a17ce8828ac90911665512386

  • SHA256

    6f79fb9f7c9883bc3151bd95bd88f6e0b3f86c4b0f536a8f099a55656d922766

  • SHA512

    3140244dafd52f55574eb18250c0b2710c1276b134ba0747d13e233501fbf7324f8d7b92080a94c6006a8983a190e9953f942e8cba1b1a79eb851608986512d4

  • SSDEEP

    6144:K4oZoAeVHPtHgTIAaZgCwDx7axHU0unC28ejI817:xoZyHPvWCwjXCsII

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 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dead-payload.exe
    "C:\Users\Admin\AppData\Local\Temp\dead-payload.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3020

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1948-0-0x000007FEF5BD3000-0x000007FEF5BD4000-memory.dmp
    Filesize

    4KB

  • memory/1948-1-0x0000000000370000-0x00000000003B6000-memory.dmp
    Filesize

    280KB

  • memory/1948-2-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp
    Filesize

    9.9MB

  • memory/1948-3-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp
    Filesize

    9.9MB