Analysis

  • max time kernel
    131s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15-04-2024 16:52

General

  • Target

    ClientBetaNew.exe

  • Size

    229KB

  • MD5

    e7fca17393a9f4cb9ccb2f65fc2bb214

  • SHA1

    cef26fa30e3f68d85ab923beecc0cd0dbfa2a720

  • SHA256

    499282fecf90d5dcdf2b01ca4413c37477ec17b6068b43300dfeaefa1fb50978

  • SHA512

    303fe673e0d12410010971fb15ae58751948a7e0fb559e97acf5c73df0a7987dc8d423d59ebdfdfee79ef2696795ecf78543dcb74bebf6073a65229a2d24b80a

  • SSDEEP

    6144:9loZM+rIkd8g+EtXHkv/iD4rzQumkrHM99YW3X2gyb8e1mtzi:foZtL+EP8rzQumkrHM99YW3X23Ie

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\ClientBetaNew.exe
    "C:\Users\Admin\AppData\Local\Temp\ClientBetaNew.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3940

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1468-0-0x0000024DF5490000-0x0000024DF54D0000-memory.dmp

    Filesize

    256KB

  • memory/1468-1-0x00007FFFC0F50000-0x00007FFFC193C000-memory.dmp

    Filesize

    9.9MB

  • memory/1468-2-0x0000024DF7BA0000-0x0000024DF7BB0000-memory.dmp

    Filesize

    64KB

  • memory/1468-4-0x00007FFFC0F50000-0x00007FFFC193C000-memory.dmp

    Filesize

    9.9MB