General

  • Target
    dead.builder.exe
  • Size 3.5MB
  • Sample261029-y4zzsscd33
  • SHA256 664ee273d850e82e2b13819c224a46e08f1740ded02deed3df51074788cfb3d2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Obfuscated with Agile.Net obfuscator 33 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 32 IoCs

    File was codesigned using an insecure algorithm.

  • Unsigned PE 9 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • dead.builder.exe
    .exe 3.5MB
  • bunifu.licensing.dll
    .dll 1.3MB
  • bunifu.ui.winforms.1.5.3.dll
    .dll 342KB
  • bunifu.ui.winforms.bunifubutton.dll
    .dll 107KB
  • bunifu.ui.winforms.bunifucheckbox.dll
    .dll 102KB
  • bunifu.ui.winforms.bunifucircleprogress.dll
    .dll 77KB
  • bunifu.ui.winforms.bunifucolortransition.dll
    .dll 38KB
  • bunifu.ui.winforms.bunifudatagridview.dll
    .dll 83KB
  • bunifu.ui.winforms.bunifudatepicker.dll
    .dll 50KB
  • bunifu.ui.winforms.bunifudropdown.dll
    .dll 50KB
  • bunifu.ui.winforms.bunifuformdock.dll
    .dll 102KB
  • bunifu.ui.winforms.bunifugauge.dll
    .dll 74KB
  • bunifu.ui.winforms.bunifugradientpanel.dll
    .dll 60KB
  • bunifu.ui.winforms.bunifugroupbox.dll
    .dll 46KB
  • bunifu.ui.winforms.bunifuimagebutton.dll
    .dll 155KB
  • bunifu.ui.winforms.bunifulabel.dll
    .dll 420KB
  • bunifu.ui.winforms.bunifupages.dll
    .dll 95KB
  • bunifu.ui.winforms.bunifupanel.dll
    .dll 42KB
  • bunifu.ui.winforms.bunifupicturebox.dll
    .dll 36KB
  • bunifu.ui.winforms.bunifuprogressbar.dll
    .dll 76KB
  • bunifu.ui.winforms.bunifuradiobutton.dll
    .dll 68KB
  • bunifu.ui.winforms.bunifurating.dll
    .dll 49KB
  • bunifu.ui.winforms.bunifuscrollbar.dll
    .dll 178KB
  • bunifu.ui.winforms.bunifuseparator.dll
    .dll 37KB
  • bunifu.ui.winforms.bunifushadowpanel.dll
    .dll 45KB
  • bunifu.ui.winforms.bunifushapes.dll
    .dll 41KB
  • bunifu.ui.winforms.bunifuslider.dll
    .dll 196KB
  • bunifu.ui.winforms.bunifusnackbar.dll
    .dll 271KB
  • bunifu.ui.winforms.bunifutextbox.dll
    .dll 112KB
  • bunifu.ui.winforms.bunifutoggleswitch.dll
    .dll 45KB
  • bunifu.ui.winforms.bunifutooltip.dll
    .dll 521KB
  • bunifu.ui.winforms.bunifutransition.dll
    .dll 92KB
  • bunifu.ui.winforms.bunifuusercontrol.dll
    .dll 81KB
  • bunifu.ui.winforms.deprecated.dll
    .dll 152KB
  • costura.dll
    .dll 4KB
  • costura.pdb
    2KB
  • jose-jwt.dll
    .dll 81KB
  • mono.cecil.dll
    .dll 352KB
  • mono.cecil.mdb.dll
    .dll 42KB
  • mono.cecil.mdb.pdb
    18KB
  • mono.cecil.pdb
    182KB
  • mono.cecil.pdb.dll
    .dll 87KB
  • mono.cecil.pdb.pdb
    26KB
  • mono.cecil.rocks.dll
    .dll 29KB
  • mono.cecil.rocks.pdb
    9KB
  • system.diagnostics.diagnosticsource.dll
    .dll 34KB
  • vestris.resourcelib.dll
    .dll 76KB

dead.builder.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 664ee273d850e82e2b13819c224a46e08f1740ded02deed3df51074788cfb3d2
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • 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
3519038
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\!DEVIL\Desktop\‎\Umbral-Stealer-main\Umbral.builder\obj\Release\dead.builder.pdb