Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-08-2024 19:37

General

  • Target

    ExtremeInjectorV3.exe

  • Size

    228KB

  • MD5

    92fe53ca6c8f1a424db45bb3f7cdfe56

  • SHA1

    a6d4e261875b162f18f2cbbcc6411cec7b59be37

  • SHA256

    bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7

  • SHA512

    c4ce50e070a07626fd766212428b15df7d4f4fe680acdc9b0ba084156aea4e4443dd76ddba8ff9d9551a5c00b53d784a716caa95df1a78d80a65dd1bca2c4a16

  • SSDEEP

    6144:OloZM+rIkd8g+EtXHkv/iD4QL6XYe5xy4XKYZd8PRb8e1mLpsi:YoZtL+EP8QL6XYe5xy4XKYZd8hil

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\ExtremeInjectorV3.exe
    "C:\Users\Admin\AppData\Local\Temp\ExtremeInjectorV3.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2020

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3152-0-0x00007FFC012B3000-0x00007FFC012B4000-memory.dmp

    Filesize

    4KB

  • memory/3152-1-0x000002DD43630000-0x000002DD43670000-memory.dmp

    Filesize

    256KB

  • memory/3152-2-0x00007FFC012B0000-0x00007FFC01C9C000-memory.dmp

    Filesize

    9.9MB

  • memory/3152-4-0x00007FFC012B0000-0x00007FFC01C9C000-memory.dmp

    Filesize

    9.9MB