Analysis

  • max time kernel
    117s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-03-2024 01:45

General

  • Target

    39c0eb246d98925768cb71d227e9e6cf.exe

  • Size

    232KB

  • MD5

    39c0eb246d98925768cb71d227e9e6cf

  • SHA1

    32bdb718da2fbe3b0ce8acc4fae5f3935b07be36

  • SHA256

    379820411c8d6c925063d134abe0b1e6c0fa5f1d3537be354549b4c8c69876a5

  • SHA512

    15b197cf61c02d858b47d0720bedc9bd496e7ef57e5a48135a21495adccaaf7c30b31132fe29f7a61e6219e0d0c59551adbf20d359e8266a086bfe2f614f1377

  • SSDEEP

    6144:BloZM+rIkd8g+EtXHkv/iD4ojZT9rI8jg67NokR1hb8e1mMUci:zoZtL+EP8ojZT9rI8jg67NokRHLO

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\39c0eb246d98925768cb71d227e9e6cf.exe
    "C:\Users\Admin\AppData\Local\Temp\39c0eb246d98925768cb71d227e9e6cf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2556

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2492-0-0x0000000000270000-0x00000000002B0000-memory.dmp

    Filesize

    256KB

  • memory/2492-1-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

    Filesize

    9.9MB

  • memory/2492-2-0x000000001B340000-0x000000001B3C0000-memory.dmp

    Filesize

    512KB

  • memory/2492-3-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

    Filesize

    9.9MB