General

  • Target
    DeltaLoader.exe
  • Size 3.5MB
  • Sample260624-wfeb3sd141
  • SHA256 8e817dcdc9b30f53bb9207d2e2200052d48e5233d3a0e3dcebc3ce88e194b5ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • ratonrat

Version
  • v4.0.0

Mutex
  • silly1

Attributes
  • assist

    silly11

  • box

    silly8

  • box_icon

    silly10

  • box_msg

    silly9

  • box_title

    silly17

  • defender

    silly23

  • delay

    silly5

  • hide_file

    silly7

  • open_website

    silly13

  • password

    silly20

  • process_critical

    silly6

  • raw

    silly21

  • reconnect

    silly22

  • startup

    silly4

  • tag

    silly16

  • uac

    silly11

  • vm

    silly15

  • website

    silly14

Signatures

  • Family: RatonRAT

    RatonRAT is an information stealer written in C#.

  • Detects RatonRAT payload 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.

  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • DeltaLoader.exe
    .exe 3.5MB

DeltaLoader.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 8e817dcdc9b30f53bb9207d2e2200052d48e5233d3a0e3dcebc3ce88e194b5ce
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • Detects RatonRAT payload

  • 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
3701230
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:\RatonStubCrypt\Client\Client\obj\Release\clientForCrypters.pdb