Overview

overview

10

Static

static

10

SecureCheck.exe

windows10-2004-x64

10

SecureCheck.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    SecureCheck.exe
  • Size 306KB
  • Sample260924-g3rtcsfg86
  • SHA256 ca5c9fd429e9ca758b80d8e156be05b53da4436d631b364e7f74e97d3c6bd8bf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
stealerumbral

Malware Config

Extracted

Family

  • umbral

Version

  • v1.3

C2

  • https://discord.com/api/webhooks/1237029252285861910/k01vX69SAWif6kCqudGYITc6IvCQYHV-McHrHcg3rYSnnITUv5ViyFBuPb_ka1Cf0Ul3

Signatures

  • Family: Umbral

    Umbral stealer is an open-source modular stealer written in C#.

    stealerumbral
  • Detects Umbral payload 2 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • SecureCheck.exe
    .exe 306KB

SecureCheck.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 ca5c9fd429e9ca758b80d8e156be05b53da4436d631b364e7f74e97d3c6bd8bf
  • MD5 SHA1 SHA512 SSDEEP TLSH
windows:4windowsx86arch:x86

  • Detects Umbral payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
240270
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