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Resubmissions

26/01/2025, 09:00

250126-kytzpsynbm 10

26/01/2025, 08:54

250126-kvck9aymej 10

Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2025, 08:54

General

  • Target

    mtree‮gpj.exe

  • Size

    1.3MB

  • MD5

    b8b0baac29daa1eff8ecb046fe91f104

  • SHA1

    c6ece29c90cb57bca393139e44d70b029bc1f677

  • SHA256

    27a1137b8d934f10c2166261ddf2b424e4803102809c446d36767d581b533a96

  • SHA512

    5501afad683faeb9e174487caf6f5280aab51050b366334c56539ef7977248c7bb05c8b48c9f5e6198ac728703921dbb29f9bf17e37162410a64caf1e662b3c0

  • SSDEEP

    24576:ZuDXTIGaPhEYzUzA0qBc+ZKhmVbC9eabpmkmZ3IaezdKcMYwFL+bGljFIh0aTOS7:8Djlabwz9AjABbpmHmapcMYJo0TOI

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMzMjk5NDEwMjkwMzU3MDU0Mw.GjHo9c.uUUeJljLrRcuIvW_FlFF0o4Eh6h5i-SEDWYry8

  • server_id

    1332539766268231760

Signatures

  • Discord RAT

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

  • Discordrat family
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Abuse Elevation Control Mechanism: Bypass User Account Control 1 TTPs 1 IoCs

    UAC Bypass Attempt via SilentCleanup Task.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 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\mtree‮gpj.exe
    "C:\Users\Admin\AppData\Local\Temp\mtree‮gpj.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe"
      2⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4464
      • C:\Windows\SYSTEM32\NetSh.exe
        "NetSh.exe" Advfirewall set allprofiles state off
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:812
      • C:\Windows\SYSTEM32\SCHTASKS.exe
        "SCHTASKS.exe" /run /tn \Microsoft\Windows\DiskCleanup\SilentCleanup /I
        3⤵
        • Abuse Elevation Control Mechanism: Bypass User Account Control
        PID:2308
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefaultc55e5ef0h67f4h47c5ha73dhebfc9e0e4287
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x120,0x124,0x128,0xfc,0x12c,0x7ff8507546f8,0x7ff850754708,0x7ff850754718
      2⤵
        PID:2912
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,4693949325300515975,1765052444608238372,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
        2⤵
          PID:4308
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2140,4693949325300515975,1765052444608238372,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4684
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2140,4693949325300515975,1765052444608238372,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2732 /prefetch:8
          2⤵
            PID:3096
        • C:\Windows\System32\CompPkgSrv.exe
          C:\Windows\System32\CompPkgSrv.exe -Embedding
          1⤵
            PID:4652
          • C:\Windows\System32\CompPkgSrv.exe
            C:\Windows\System32\CompPkgSrv.exe -Embedding
            1⤵
              PID:1988

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

              Filesize

              152B

              MD5

              37f660dd4b6ddf23bc37f5c823d1c33a

              SHA1

              1c35538aa307a3e09d15519df6ace99674ae428b

              SHA256

              4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8

              SHA512

              807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

              Filesize

              5KB

              MD5

              d265c19336330ead06c850d9c0f2fdf8

              SHA1

              f275b4a433bc8342d85038cacf4f15b53d534962

              SHA256

              c465402360796bfc9a488752c5a591f896bdb122961edbe13571980489b71d15

              SHA512

              f72e9f6166f6e601d700edc37287d337b721da7ee590d174f19a773fdf90a3a54dca77848b9571a74af16c2f50ff9b435490e65d0df7eb2acbca6258c50fa009

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

              Filesize

              8KB

              MD5

              78e94f12ef31bf00c43c01b6af5bf635

              SHA1

              92dcfd9680fae02395381ce461360bf159f382a7

              SHA256

              cf9f3e9125e6ebb1c54aeca3d82d985b6937a5f1bc470f50a9a490c2bbea73b3

              SHA512

              2e4ce1b740264ae82bb2e87bd37dd9cbb18908a19bc2712f5856cb3b4c880bbe4eaba2edce0014efffa43567fb1238d74712fb4f2f5361291ef2b26ea2d214a5

            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

              Filesize

              78KB

              MD5

              cf3c7283d0e6d81dbd48c159d7e9b3b3

              SHA1

              bdbf22216c154f6ce7271656692aac72d6722ea7

              SHA256

              8f55bd1762834764908a60c291607ec869cde7609c558edf1f02a4bfa6e39ae5

              SHA512

              36e8b38288450a9e60437abfe3971b824e128c63c773843c1ac139b52265602012c322cadcc58705215d7d76f08bfb7f983c011b15bcda15b89dfb22df5d9fc6

            • memory/4464-14-0x00007FF8558C3000-0x00007FF8558C5000-memory.dmp

              Filesize

              8KB

            • memory/4464-15-0x00000266998F0000-0x0000026699908000-memory.dmp

              Filesize

              96KB

            • memory/4464-16-0x00000266B3EC0000-0x00000266B4082000-memory.dmp

              Filesize

              1.8MB

            • memory/4464-17-0x00007FF8558C0000-0x00007FF856381000-memory.dmp

              Filesize

              10.8MB

            • memory/4464-18-0x00000266B46C0000-0x00000266B4BE8000-memory.dmp

              Filesize

              5.2MB

            • memory/4464-19-0x00007FF8558C3000-0x00007FF8558C5000-memory.dmp

              Filesize

              8KB

            • memory/4464-20-0x00007FF8558C0000-0x00007FF856381000-memory.dmp

              Filesize

              10.8MB