Resubmissions

09/09/2026, 23:32

260909-3ja76abn4y10

09/09/2026, 23:28

260909-3f2wpsbn2v10

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/09/2026, 23:28

General

  • Target
    https://dosya.co/lm01v6loga3b/pirn.exe.html
  • Sample260909-3f2wpsbn2v

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • Guest17

C2
  • kgiuaoc0lq.localto.net:3925

Mutex
  • DC_MUTEX-8RUY27A

Attributes
  • gencode

    N22pvmYbXjg0

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Signatures

  • Family: Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Executes dropped EXE 6 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://dosya.co/lm01v6loga3b/pirn.exe.html
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x128,0x12c,0x130,0xa8,0x134,0x7ffeaa5fc728,0x7ffeaa5fc734,0x7ffeaa5fc740
      2⤵
        PID:2600
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1272,i,7575971169289352446,8926260937349536354,524288 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=2112 /prefetch:11
        2⤵
        • System Time Discovery
        PID:1808
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1616,i,12214810118252787956,13872016789835143465,262144 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=2056 /prefetch:2
        2⤵
          PID:4396
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2064,i,4431536702578788892,9627170551803247677,524288 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=2336 /prefetch:13
          2⤵
            PID:5556
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3228,i,11451639522528738629,8078079328285689833,2097152 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=3252 /prefetch:1
            2⤵
              PID:3444
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3232,i,8282616150347592966,7971080108555485062,2097152 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=3300 /prefetch:1
              2⤵
                PID:1260
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=4968,i,14400138629262540763,6848647253454393685,524288 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=5452 /prefetch:14
                2⤵
                  PID:1852
                • C:\Users\Admin\Downloads\pirn.exe
                  "C:\Users\Admin\Downloads\pirn.exe"
                  2⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:1196
                • C:\Users\Admin\Downloads\pirn.exe
                  "C:\Users\Admin\Downloads\pirn.exe"
                  2⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3076
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --metrics-shmem-handle=5600,i,13844274725972429271,4822957521875066361,2097152 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=5612 /prefetch:1
                  2⤵
                    PID:2748
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --metrics-shmem-handle=5764,i,12426023513353755390,12655852499053616889,2097152 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=5732 /prefetch:1
                    2⤵
                      PID:2412
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5628,i,18311840967906358431,4969821541626036822,524288 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=5636 /prefetch:14
                      2⤵
                        PID:1084
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5640,i,6436641454812767642,8050812976984194934,524288 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=5616 /prefetch:14
                        2⤵
                          PID:5000
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5608,i,555812716772300346,2925806104727667951,524288 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=5708 /prefetch:14
                          2⤵
                            PID:1012
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=4544,i,3206665203440989061,6604805342110755958,262144 --field-trial-handle=2068,i,15290178950529995102,14171515457348883206,262144 --variations-seed-version --mojo-platform-channel-handle=792 /prefetch:10
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3568
                        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                          1⤵
                            PID:5244
                          • C:\Windows\System32\rundll32.exe
                            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                            1⤵
                              PID:2788
                            • C:\Users\Admin\Downloads\pirn.exe
                              "C:\Users\Admin\Downloads\pirn.exe"
                              1⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:3568
                            • C:\Users\Admin\Downloads\pirn.exe
                              "C:\Users\Admin\Downloads\pirn.exe"
                              1⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:5780
                            • C:\Users\Admin\Downloads\pirn.exe
                              "C:\Users\Admin\Downloads\pirn.exe"
                              1⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:4584
                            • C:\Users\Admin\Downloads\pirn.exe
                              "C:\Users\Admin\Downloads\pirn.exe"
                              1⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:4496
                            • C:\Windows\system32\cmd.exe
                              "C:\Windows\system32\cmd.exe"
                              1⤵
                                PID:3364

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                    • Size 600B
                                    • SHA256 958376cb2c63ec24709226e2a3bed06199d4206743fa432c42b1ea54a8ba5c41
                                    • MD5 SHA1 SHA512 TLSH

                                    6f1147d5-03c2-40fa-9f3d-2c9a36b1a545.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\6f1147d5-03c2-40fa-9f3d-2c9a36b1a545.tmp
                                    • Size 8KB
                                    • SHA256 5b3c6f3e549d4d041ee25588dd4c1ba404836fa7202a1dc19faf3b6b86d7633e
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    SCT Auditing Pending Reports

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 11KB
                                    • SHA256 d26e71fd0dd031c114131510bd84583e7f0e8c16fcf4b5351cb2a133cfeddf55
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 11KB
                                    • SHA256 50b375746519b850f95ee1aec05514ba0b88790467dff4a14b59d1b1307e4fc3
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 12KB
                                    • SHA256 5035c2e8a4274bcbee15e9c27b6857389f401baa8f0054fd9184c633555005af
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 11KB
                                    • SHA256 9cadfe649db211251961abd5aa98a6e627e971039fc67e690052e383f7885981
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 5KB
                                    • SHA256 10e62d891bd9e115596ae9fb8779de3ceda337bc66befb9a5c34ca7a665d1bea
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 5KB
                                    • SHA256 2e617f9297696fc85c8b979ca1a9237cc1fd7df1184a5bb4d5a76d842c02e2a9
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 4KB
                                    • SHA256 c11e7cf238cd3abd2d2ab9447c9d02a595e9b8cb5ae05ba3892cce9bc87d2eeb
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 5KB
                                    • SHA256 53c1bd0f2eabe1b4bf84a5cee8cc39cbebb4daed12bf6192e00bb595253a6ec5
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Unconfirmed 226037.crdownload

                                    • Path C:\Users\Admin\Downloads\Unconfirmed 226037.crdownload
                                    • Size 658KB
                                    • SHA256 75c25943fdf90c885730d7c25fed5da44026c5f57aa347a0d32fd5df522c2e0d
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    memory/1196-180-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-207-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-239-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-237-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-233-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-160-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-229-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-122-0x00000000023D0000-0x00000000023D1000-memory.dmp

                                    memory/1196-204-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/1196-101-0x00000000023D0000-0x00000000023D1000-memory.dmp

                                    memory/1196-102-0x000000000049D000-0x000000000049F000-memory.dmp

                                    memory/3076-123-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/3076-159-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/3568-182-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/4496-196-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/4584-186-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    memory/5780-184-0x0000000000400000-0x00000000004B2000-memory.dmp