Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 17:49

General

  • Target

    12eab714a3f392af46c79bb9eb28155b97d6456350f40f8b85b630de71c5c57c.exe

  • Size

    228KB

  • MD5

    cd60f2c4d6616cf3e5785c07526be795

  • SHA1

    cc463a67d382c6bc11a05d1bfe41031b64d2c39c

  • SHA256

    12eab714a3f392af46c79bb9eb28155b97d6456350f40f8b85b630de71c5c57c

  • SHA512

    d255801159dfaf6c3f1d2cc19c9fab3421e04fff84aa2078043745d69a026cebf0dc6e8080174182f555cfe34b755035c0d2adfeeb322e0ff708a4d577c21536

  • SSDEEP

    6144:MloZMzrIkd8g+EtXHkv/iD4IB2kxfEY3Omfh8ItUlLb8e1muyi:KoZcL+EP8IB2kxfEY3Omfh8ItUlP

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Detects executables attemping to enumerate video devices using WMI 1 IoCs
  • Detects executables containing possible sandbox analysis VM names 1 IoCs
  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Detects executables containing possible sandbox system UUIDs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12eab714a3f392af46c79bb9eb28155b97d6456350f40f8b85b630de71c5c57c.exe
    "C:\Users\Admin\AppData\Local\Temp\12eab714a3f392af46c79bb9eb28155b97d6456350f40f8b85b630de71c5c57c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:524

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3028-0-0x0000012A4BDA0000-0x0000012A4BDE0000-memory.dmp

    Filesize

    256KB

  • memory/3028-1-0x00007FF8B94D0000-0x00007FF8B9F91000-memory.dmp

    Filesize

    10.8MB

  • memory/3028-2-0x0000012A4DA40000-0x0000012A4DA50000-memory.dmp

    Filesize

    64KB

  • memory/3028-4-0x00007FF8B94D0000-0x00007FF8B9F91000-memory.dmp

    Filesize

    10.8MB