Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 18:10

General

  • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    ac6dc91bec5d51b9b8f7b36642f875db

  • SHA1

    ebf088795549ec27047225f14b3263c7b022168e

  • SHA256

    cb32d0fc4534e19ae8009edacbe41b2aac5755b8c7bf233fd4c9b39a00f9b318

  • SHA512

    d44f953ea4aac986c5eea7242ad0d0b6143117781ab9f35537523ad0f4cf95b23c5aeb223ba74febba96afd9006b3f20edbc2bba2113661aa6d56368c93598da

  • SSDEEP

    6144:tloZM+rIkd8g+EtXHkv/iD4qacRCg/7IER0STTKreb8e1mHi:voZtL+EP8qacRCg/7IER0STTK2Z

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 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:4768

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4768-0-0x000001FE32250000-0x000001FE32290000-memory.dmp

    Filesize

    256KB

  • memory/4768-1-0x00007FFCCA320000-0x00007FFCCADE1000-memory.dmp

    Filesize

    10.8MB

  • memory/4768-2-0x000001FE4C800000-0x000001FE4C810000-memory.dmp

    Filesize

    64KB

  • memory/4768-3-0x00007FFCCA320000-0x00007FFCCADE1000-memory.dmp

    Filesize

    10.8MB

  • memory/4768-4-0x000001FE4C800000-0x000001FE4C810000-memory.dmp

    Filesize

    64KB