Resubmissions

02/02/2024, 16:45

240202-t9gceschbq10

02/02/2024, 16:41

240202-t7arvscgfp10

General

  • Target
    Umbral.Stealer.zip
  • Size 3.3MB
  • Sample240202-t7arvscgfp
  • SHA256 8e95865efd39220dfc4abebc27141d9eae288a11981e43f09cbee6bf90347fe0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral family
  • 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.

  • Unsigned PE 9 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Umbral.Stealer.zip
    .zip 3.3MB
  • 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
  • Mono.Cecil.Mdb.dll
    .dll 42KB
  • Mono.Cecil.Mdb.pdb
    18KB
  • Mono.Cecil.Pdb.dll
    .dll 87KB
  • Mono.Cecil.Pdb.pdb
    26KB
  • Mono.Cecil.Rocks.dll
    .dll 29KB
  • Mono.Cecil.Rocks.pdb
    9KB
  • Mono.Cecil.dll
    .dll 352KB
  • Mono.Cecil.pdb
    182KB
  • Umbral.builder.exe
    .exe 114KB
  • Umbral.builder.exe.config
    .xml 163B
  • Umbral.builder.pdb
    113KB
  • Umbral.payload
    .exe 230KB
  • Vestris.ResourceLib.dll
    .dll 76KB
  • Vestris.ResourceLib.xml
    .xml 293KB
  • jose-jwt.dll
    .dll 81KB

Umbral.Stealer.zip

  • SHA256 8e95865efd39220dfc4abebc27141d9eae288a11981e43f09cbee6bf90347fe0
  • MD5 SHA1 SHA512 SSDEEP