Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 05:42

General

  • Target
    Stealer.exe
  • Size 229KB
  • Sample231016-gd8etaea47
  • SHA256 e6cc46237ceba579e5594cfbab67ea20f8e486a4a4cd54c06d018a3adbc62c39
  • 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\Stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\Stealer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4868

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/4048-0-0x0000015C5ADF0000-0x0000015C5AE30000-memory.dmp

        memory/4048-1-0x00007FFFD8950000-0x00007FFFD9411000-memory.dmp

        memory/4048-2-0x0000015C5B210000-0x0000015C5B220000-memory.dmp

        memory/4048-4-0x00007FFFD8950000-0x00007FFFD9411000-memory.dmp