Analysis

  • max time kernel
    954s
  • max time network
    999s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 12:11

General

  • Target

    Client-built.exe

  • Size

    78KB

  • MD5

    d33f63ad58ec035142f60e75d843d2c4

  • SHA1

    dc313419c8093ad73dfedce91b6a8b3a0778f4f6

  • SHA256

    77c7b76fa1b6ccddf78e18c3bf326da4959ac429abfd6d2803a3a18d2f568a4e

  • SHA512

    c33db013ad726b43328b1f2caade05584d1932e4da72194766bf92abe2a847d78b7f03bedd915fc959b3f7c3ec7d88cc09625d8c11b4b2d2726189384510c3bb

  • SSDEEP

    1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+VPIC:5Zv5PDwbjNrmAE+FIC

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTIyOTQwMTgyMTIyMzg0NTk2MQ.GNBkL2.fyH6QqmGNy52Fx0WNTo5XR7RLT2EQEAdGT-F68

  • server_id

    1209983056593817710

Signatures

  • Discord RAT

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

  • Downloads MZ/PE file
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 20 IoCs
  • Creates scheduled task(s) 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\Client-built.exe
    "C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /run /tn \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      2⤵
        PID:2648
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" -Command Add-MpPreference -ExclusionPath "C:\"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4612
      • C:\Windows\SYSTEM32\NetSh.exe
        "NetSh.exe" Advfirewall set allprofiles state off
        2⤵
        • Modifies Windows Firewall
        PID:2092
      • C:\Windows\SYSTEM32\SCHTASKS.exe
        "SCHTASKS.exe" /create /tn "$77Client-built.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\Client-built.exe'" /sc onlogon /rl HIGHEST
        2⤵
        • Creates scheduled task(s)
        PID:3820
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4388,i,11689630796550498308,215737424132741214,262144 --variations-seed-version --mojo-platform-channel-handle=3780 /prefetch:8
      1⤵
        PID:3284
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4184,i,11689630796550498308,215737424132741214,262144 --variations-seed-version --mojo-platform-channel-handle=3920 /prefetch:8
        1⤵
          PID:4768

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_40qbjkhe.kue.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/3168-4-0x0000011E46640000-0x0000011E46B68000-memory.dmp

          Filesize

          5.2MB

        • memory/3168-23-0x0000011E46030000-0x0000011E460A6000-memory.dmp

          Filesize

          472KB

        • memory/3168-3-0x0000011E46100000-0x0000011E46110000-memory.dmp

          Filesize

          64KB

        • memory/3168-0-0x0000011E2B720000-0x0000011E2B738000-memory.dmp

          Filesize

          96KB

        • memory/3168-5-0x00007FF97BB70000-0x00007FF97C631000-memory.dmp

          Filesize

          10.8MB

        • memory/3168-6-0x0000011E46100000-0x0000011E46110000-memory.dmp

          Filesize

          64KB

        • memory/3168-2-0x00007FF97BB70000-0x00007FF97C631000-memory.dmp

          Filesize

          10.8MB

        • memory/3168-1-0x0000011E45D60000-0x0000011E45F22000-memory.dmp

          Filesize

          1.8MB

        • memory/3168-25-0x0000011E45CF0000-0x0000011E45D0E000-memory.dmp

          Filesize

          120KB

        • memory/3168-24-0x0000011E2BBB0000-0x0000011E2BBC2000-memory.dmp

          Filesize

          72KB

        • memory/4612-17-0x00007FF97BB70000-0x00007FF97C631000-memory.dmp

          Filesize

          10.8MB

        • memory/4612-22-0x00007FF97BB70000-0x00007FF97C631000-memory.dmp

          Filesize

          10.8MB

        • memory/4612-19-0x000001D26B160000-0x000001D26B170000-memory.dmp

          Filesize

          64KB

        • memory/4612-18-0x000001D26B160000-0x000001D26B170000-memory.dmp

          Filesize

          64KB

        • memory/4612-12-0x000001D26AF70000-0x000001D26AF92000-memory.dmp

          Filesize

          136KB