Analysis

  • max time kernel
    853s
  • max time network
    863s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250218-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250218-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    22-02-2025 01:13

General

  • Target

    Umbral.exe

  • Size

    230KB

  • MD5

    2509db9a461b6619dd1e980090e1c8c0

  • SHA1

    08c538c781995dc687f454569cea1ed9c3005aed

  • SHA256

    246922e545aaf7556adf2f7d59771ac73423f7e334c06cac93f5dea27a24f3a2

  • SHA512

    b5b270221fc52b7803a915439482fed97a1c0faa8a7005f10a4d1bdb6e8b8e6726592f18adec8335914848711d02183d88be0a98693b84339c3c7968be07d201

  • SSDEEP

    6144:1loZM+rIkd8g+EtXHkv/iD4xQYsJ8e1mYi:XoZtL+EP8xco

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Umbral family
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Umbral.exe
    "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4496

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4496-0-0x00007FFD9DC23000-0x00007FFD9DC25000-memory.dmp

    Filesize

    8KB

  • memory/4496-1-0x000002A318740000-0x000002A318780000-memory.dmp

    Filesize

    256KB

  • memory/4496-2-0x00007FFD9DC20000-0x00007FFD9E6E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4496-3-0x00007FFD9DC23000-0x00007FFD9DC25000-memory.dmp

    Filesize

    8KB

  • memory/4496-4-0x00007FFD9DC20000-0x00007FFD9E6E2000-memory.dmp

    Filesize

    10.8MB