General

  • Target
    Update.exe
  • Size 5.6MB
  • Sample260724-epcfea1wcs
  • SHA256 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: MilleniumRat

    MilleniumRat is a remote access trojan written in C#.

  • Detects MilleniumRAT stealer 1 IoCs
  • Costura .NET executable packer 1 IoCs

    Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

  • Insecure Codesign Algorithm 1 IoCs

    File was codesigned using an insecure algorithm.

  • Unsigned PE 2 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Update.exe
    .exe 5.6MB
  • bouncycastle.crypto.dll
    .dll 3.2MB
  • costura.dll
    .dll 4KB
  • costura.pdb
    2KB
  • microsoft.win32.primitives.dll
    .dll 22KB
  • newtonsoft.json.dll
    .dll 695KB
  • system.appcontext.dll
    .dll 19KB
  • system.console.dll
    .dll 33KB
  • system.data.sqlite.dll
    .dll 421KB
  • system.diagnostics.diagnosticsource.dll
    .dll 34KB
  • system.diagnostics.tracing.dll
    .dll 36KB
  • system.globalization.calendars.dll
    .dll 22KB
  • system.io.compression.dll
    .dll 109KB
  • system.io.compression.zipfile.dll
    .dll 24KB
  • system.io.dll
    .dll 21KB
  • system.io.filesystem.dll
    .dll 22KB
  • system.io.filesystem.primitives.dll
    .dll 22KB
  • system.net.http.dll
    .dll 258KB
  • system.net.sockets.dll
    .dll 45KB
  • system.reflection.dll
    .dll 22KB
  • system.runtime.dll
    .dll 29KB
  • system.runtime.extensions.dll
    .dll 32KB
  • system.runtime.interopservices.dll
    .dll 25KB
  • system.runtime.interopservices.runtimeinformation.dll
    .dll 32KB
  • system.security.cryptography.algorithms.dll
    .dll 38KB
  • system.security.cryptography.encoding.dll
    .dll 22KB
  • system.security.cryptography.primitives.dll
    .dll 22KB
  • system.security.cryptography.x509certificates.dll
    .dll 37KB
  • system.xml.readerwriter.dll
    .dll 22KB

Update.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • Detects MilleniumRAT stealer

  • Costura .NET executable packer

    Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
5877438
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
C:\Users\attat\source\repos\Millenium RAT Buillder V2.8\Millenium\Millenium\obj\Release\net462\conhost.pdb