Analysis

  • max time kernel
    49s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2024 22:58

General

  • Target

    qr.scr.exe

  • Size

    589KB

  • MD5

    e258820afbaf4806a0af98130aa7e188

  • SHA1

    8384adb56549bb90f45feda7f61cf5f316a2e7b5

  • SHA256

    41bfb9975a07c647313b8211c9096fd42c379ef1ab8aa55cf8754903636d57cd

  • SHA512

    bfa53fab0079710ebad1fc05aec58f29a85f5f029b21a07f126d51858ea9ab93cc2467408a96ac761d3b01b3d5636763f6a8446f4830d2c665d7a246e4c40d86

  • SSDEEP

    6144:vE+yclwQKjdn+WPtYVJIoBfnrI3Yraa41Uhmt+5jh4b+wmN:vBdlwHRn+WlYV+mOYrf8U0U16iws

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTE2NTU4OTMzMjMxNzQ0MjEwOQ.GJEVtK.uFJuCXP9hMLmxL5S40swC_tXrG0HdGoTZYWDxI

  • server_id

    1162644088261193840

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qr.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\qr.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\qr.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\qr.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\qr.exe

    Filesize

    302KB

    MD5

    f8c5bb2e9929c86865c291de2b71ae6e

    SHA1

    fdf6e43b696308f60f13e3b96d0482d3634992b6

    SHA256

    271ed5f4d469576ac832f8b8f6734168a986619f3f0aebb1747efe583381ead2

    SHA512

    c46dfb27428ac80bec7cd09d82aa65c59e343a73849965149275459fd5ee113c21d3bb744d41c1a93725e8ced8b22270891db055376a00136a59686365393fa4

  • memory/4052-14-0x000001FA24A10000-0x000001FA24A60000-memory.dmp

    Filesize

    320KB

  • memory/4052-15-0x000001FA3F030000-0x000001FA3F1F2000-memory.dmp

    Filesize

    1.8MB

  • memory/4052-16-0x00007FF86FA10000-0x00007FF8704D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4052-17-0x000001FA3EF40000-0x000001FA3EF50000-memory.dmp

    Filesize

    64KB

  • memory/4052-18-0x000001FA3FA80000-0x000001FA3FFA8000-memory.dmp

    Filesize

    5.2MB

  • memory/4052-19-0x000001FA3F200000-0x000001FA3F302000-memory.dmp

    Filesize

    1.0MB

  • memory/4052-20-0x00007FF86FA10000-0x00007FF8704D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4052-22-0x000001FA3EF40000-0x000001FA3EF50000-memory.dmp

    Filesize

    64KB