Overview

overview

10

Static

static

10

Umbral.exe

windows7-x64

10

Umbral.exe

windows10-1703-x64

10

Umbral.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Umbral.exe
  • Size 231KB
  • Sample240221-xcjcasdh76
  • SHA256 edd1e3ff0f0c032599ce66382d4f4487660fd283ba5d3013fa3374c4604449b4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
umbral

Malware Config

Extracted

Family

  • umbral

C2

  • https://discord.com/api/webhooks/1209932890964496414/f0ORMB5uEI_SJlyjGuV0Ujxzj-K8et6_5tqY47Cuda-yKUjAsRLxtuDKzgte_h48lcZY

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral family
    umbral
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Umbral.exe
    .exe 231KB

Umbral.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 edd1e3ff0f0c032599ce66382d4f4487660fd283ba5d3013fa3374c4604449b4
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • Detect Umbral payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
241950
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE
PDB paths