General

  • Target
    ClientIdBlobViewer.exe
  • Size 886KB
  • Sample261027-b9762az1cx
  • SHA256 6a2eedad7382527962b0d569747bf51e0fde32cce0b80339846f005a95a746e8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • 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.

  • Unsigned PE 4 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • ClientIdBlobViewer.exe
    .exe 886KB
  • costura.dll
    .dll 4KB
  • costura.pdb
    2KB
  • microsoft.bcl.asyncinterfaces.dll
    .dll 21KB
  • newtonsoft.json.dll
    .dll 685KB
  • protobuf-net.core.dll
    .dll 263KB
  • protobuf-net.dll
    .dll 251KB
  • system.buffers.dll
    .dll 20KB
  • system.collections.immutable.dll
    .dll 189KB
  • system.diagnostics.diagnosticsource.dll
    .dll 34KB
  • system.memory.dll
    .dll 138KB
  • system.numerics.vectors.dll
    .dll 113KB
  • system.runtime.compilerservices.unsafe.dll
    .dll 17KB
  • system.text.encodings.web.dll
    .dll 75KB
  • system.threading.tasks.extensions.dll
    .dll 25KB
  • system.valuetuple.dll
    .dll 24KB

ClientIdBlobViewer.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 6a2eedad7382527962b0d569747bf51e0fde32cce0b80339846f005a95a746e8
  • 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
912158
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
D:\Widevine\2022\WV-Csharf\ClientIdBlobViewer\ClientIdBlobViewer\obj\Release\ClientIdBlobViewer.pdb