General

  • Target
    MasonClient.exe
  • Size 48KB
  • Sample261003-p5w5vsdc49
  • SHA256 ff792307c9180baa65e9ac5bcd207c28c48d80f37814b5db67e96bfdc010eb70
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Family
  • neptunerat

Attributes
  • filename

    MasonUSB.exe

  • group

    MasonGroup

  • key

    qMyFWc1X9zfSNu1C

  • localhost

    127.0.0.1:1417

  • rat_name

    MasonRAT

Signatures

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

  • Detects NeptuneRAT stealer 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • MasonClient.exe
    .exe 48KB

MasonClient.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 ff792307c9180baa65e9ac5bcd207c28c48d80f37814b5db67e96bfdc010eb70
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • Detects NeptuneRAT stealer

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
54398
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
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_32BIT_MACHINE
PDB paths