Analysis

  • max time kernel
    125s
  • max time network
    118s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    25-12-2024 14:10

General

  • Target

    Lorito.exe

  • Size

    506KB

  • MD5

    5145238a5fe1dedf3a95a6727f46d87d

  • SHA1

    f89ff2e64a37fbacb8bcde27b1433f74ecb62a05

  • SHA256

    feeaaf0a4f055a7f5c5cc3ec02689d23155bbefa8d473f6f29bbc453753350da

  • SHA512

    ca5c1f2d9484f5df193b6de47ca1157949d0700175e25016d2c602ef7cd68381141383c3abec280d015f44409efca3425ec3fd39cf8f2ea7f1135439d71fb6f3

  • SSDEEP

    6144:Cqj9Vbvt0CVAtM9ST08l4oqHU4KpF0gQoIsRHZ/QTGoDMyD5cDfXowzr+pldTuse:Nn0LIyy/LMIsHZo6gM2WX4pvTuJOOJ

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxODIyMjc3NTA0MjgzODUzOQ.GlP3Ne.ymlpBd4lypP98gk2QafDxsxkAzy26pPCyBZ7Xg

  • server_id

    1318223874348941362

Signatures

  • Discord RAT

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

  • Discordrat family
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 13 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lorito.exe
    "C:\Users\Admin\AppData\Local\Temp\Lorito.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Loro.png"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:272
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Backdoor.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Backdoor.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\SYSTEM32\SCHTASKS.exe
        "SCHTASKS.exe" /create /tn "$77Backdoor.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\RarSFX0\Backdoor.exe'" /sc onlogon /rl HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3424
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:3100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      78KB

      MD5

      ce711361fc917b5fc43ae31105c6ef0f

      SHA1

      bdc3c38d0843ccdb19de071b2dc2739a93ce9def

      SHA256

      7056dae1e807cdd837454a982235a33292e0b8ad96d211aa6e1ae82ef15e87ac

      SHA512

      6e6395ebc6578eaef02efe1d925d6ea48809b571ae72051d25405cefb1483801932b86dfdfb66607dacdc58e6992a9bde1061ceab1a8d7cfb430c66ae75fd3c2

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Loro.png

      Filesize

      17KB

      MD5

      32a084e1006a011f99acb9a4c71cd441

      SHA1

      c7712aa4ca17013271d882510f75c6d7d6b8a042

      SHA256

      fb01ed34e4c47f1dc86efd87f60e1bd32e1c19b82a229c115c5e9ee5a9047d34

      SHA512

      ddd831f9c038026363c2626ce4f9319dbb345c4fce5c0571ddf681f0111cefaad81f2f32222931a03251fe68d254c771a82ae0e298e288e6dee7cbf7a8fd6774

    • memory/1792-26-0x0000026F80040000-0x0000026F80058000-memory.dmp

      Filesize

      96KB

    • memory/1792-27-0x0000026F9A690000-0x0000026F9A852000-memory.dmp

      Filesize

      1.8MB

    • memory/1792-28-0x0000026F9B740000-0x0000026F9BC68000-memory.dmp

      Filesize

      5.2MB

    • memory/1792-29-0x0000026F804E0000-0x0000026F804EE000-memory.dmp

      Filesize

      56KB

    • memory/1792-30-0x0000026F9B410000-0x0000026F9B6DA000-memory.dmp

      Filesize

      2.8MB