Analysis

  • max time kernel
    23s
  • max time network
    22s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-03-2024 21:26

General

  • Target

    Umbral.exe

  • Size

    230KB

  • MD5

    10a62be7829b09b546511cfe6fabb84a

  • SHA1

    fe599f4244ba26aa9329ee996fe3a612e677df31

  • SHA256

    9f17ee652fae0bf1a3d12ea84e88526b4aae9fb1e440fdf9669f607f04d84f06

  • SHA512

    4fbbcb0624d73a662c4aa4f28ba0cb71577d9cf2cb7fd5436e872d8d0341374751c0320252ff0ee756d82c81c106f8c084160f791824974eccb963e4cadea777

  • SSDEEP

    6144:F1se+uecVM7hTSdm6836MZo+I/r8e1LCS:0H8VQv6MZo+u

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:4020

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4020-0-0x0000025D29630000-0x0000025D29670000-memory.dmp

    Filesize

    256KB

  • memory/4020-1-0x00007FFCD1090000-0x00007FFCD1B52000-memory.dmp

    Filesize

    10.8MB

  • memory/4020-2-0x0000025D2B4D0000-0x0000025D2B4E0000-memory.dmp

    Filesize

    64KB

  • memory/4020-3-0x00007FFCD1090000-0x00007FFCD1B52000-memory.dmp

    Filesize

    10.8MB

  • memory/4020-4-0x0000025D2B4D0000-0x0000025D2B4E0000-memory.dmp

    Filesize

    64KB