Resubmissions

29/09/2026, 13:04

260929-qa9cdahc737

29/09/2026, 12:55

260929-p5z7hsst8l7

Analysis

  • max time kernel
    88s
  • max time network
    89s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    29/09/2026, 13:04

General

  • Target
    RetroBarInstaller.exe
  • Size 7.3MB
  • Sample260929-qa9cdahc73
  • SHA256 24c871f2e8501ae697ba567adc9cc89329806d3cb1e46fe8db7c83a2a304c6ba
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RetroBarInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RetroBarInstaller.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Users\Admin\AppData\Local\Temp\is-4NQ5K.tmp\RetroBarInstaller.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4NQ5K.tmp\RetroBarInstaller.tmp" /SL5="$70170,6534365,827392,C:\Users\Admin\AppData\Local\Temp\RetroBarInstaller.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/dremin/RetroBar/releases
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5312
        • 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x2ec,0x2f0,0x2f4,0x2e8,0x314,0x7ffaaef3c188,0x7ffaaef3c194,0x7ffaaef3c1a0
          4⤵
            PID:4280
          • 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 --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1900,i,5636657419372721110,10303982902359209112,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=2292 /prefetch:3
            4⤵
            • System Time Discovery
            PID:3052
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1668,i,5249850086621032084,13934184233053337641,262144 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=2256 /prefetch:2
            4⤵
              PID:4300
            • 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 --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2568,i,2300689243226856267,14447606474099033172,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=2652 /prefetch:8
              4⤵
                PID:5220
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3408,i,15507365272882701099,3746167551561544590,2097152 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=3484 /prefetch:1
                4⤵
                  PID:5984
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3412,i,3753257633367415392,158637644996450450,2097152 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=3488 /prefetch:1
                  4⤵
                    PID:4912
                  • 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 --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5252,i,16301490587218612431,3720532527839368579,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5276 /prefetch:8
                    4⤵
                      PID:5772
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5256,i,7761245921023855170,593420160179102330,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5304 /prefetch:8
                      4⤵
                        PID:548
                      • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5884,i,9365701174802126199,11681124859118248123,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5836 /prefetch:8
                        4⤵
                          PID:3264
                        • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5884,i,9365701174802126199,11681124859118248123,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5836 /prefetch:8
                          4⤵
                            PID:5372
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.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 --always-read-main-dll --metrics-shmem-handle=5960,i,12340555143013256318,7650248885266369355,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5952 /prefetch:8
                            4⤵
                              PID:3724
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.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 --always-read-main-dll --metrics-shmem-handle=5948,i,6606269966820563223,14925085527428684270,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5124 /prefetch:8
                              4⤵
                                PID:5896
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.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 --always-read-main-dll --metrics-shmem-handle=5956,i,12901942581565725016,7122611191737177570,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=6140 /prefetch:8
                                4⤵
                                  PID:2900
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6204,i,3777818646430443545,9470320658475299974,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5588 /prefetch:8
                                  4⤵
                                    PID:1452
                                  • 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 --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=4804,i,7538677271407991444,17902709923097024986,524288 --field-trial-handle=2260,i,10882601772404631374,493677922456952878,262144 --variations-seed-version --mojo-platform-channel-handle=5508 /prefetch:8
                                    4⤵
                                      PID:828
                              • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                                1⤵
                                  PID:2900
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
                                  1⤵
                                    PID:1784

                                  Network

                                        MITRE ATT&CK Enterprise v16

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 b93d445877ce247432e151dbbfc8e224be7ca98c35c9737a3918d2cf5d1c6eaa
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 98408bb8026fb16bc1e6d6fa002061ab6c45c5ca808aaaaef9139be0eefefc37
                                        • MD5 SHA1 SHA512 TLSH

                                        BookmarkMergedSurfaceOrdering

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BookmarkMergedSurfaceOrdering
                                        • Size 6B
                                        • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                        • MD5 SHA1 SHA512

                                        BrowsingTopicsState

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                                        • Size 649B
                                        • SHA256 0aed386f9df8a9a4431e603473fd2decb3dbda8a4c0d82712ac55456084570df
                                        • MD5 SHA1 SHA512 TLSH

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                        • Size 7KB
                                        • SHA256 187a847e625a6454aed110e103735e47e9528c3fc5b9dbc746517ddbe5f8e5c2
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        the-real-index~RFe590f58.TMP

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe590f58.TMP
                                        • Size 5KB
                                        • SHA256 f39c876ba065f88d688607fd800d6feeafca7c73d7c9909a2cfb098ace3311bb
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        ebfb953d-1637-439e-aea2-aeeecabf6ba9.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\ebfb953d-1637-439e-aea2-aeeecabf6ba9.tmp
                                        • Size 2B
                                        • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                        • MD5 SHA1 SHA512

                                        7166c332-44ac-4ef5-b206-016750dda4e8.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\7166c332-44ac-4ef5-b206-016750dda4e8.tmp
                                        • Size 2B
                                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                        • MD5 SHA1 SHA512

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 1KB
                                        • SHA256 920398e7a663c3fbc630e2e5f619298252998603dd7dceced6222d7a235b649d
                                        • MD5 SHA1 SHA512 TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 3KB
                                        • SHA256 4128fcceebf7f5cb1a53610524de6985e354a43c18d165b138170ceb5086ac99
                                        • MD5 SHA1 SHA512 TLSH

                                        Sdch Dictionaries

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                                        • Size 40B
                                        • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                        • MD5 SHA1 SHA512

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 13KB
                                        • SHA256 cd673d865d502176a0d274773611a1402168986d3f8a0c6a1fbf3305895f6964
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 13KB
                                        • SHA256 d16419e372df5b5f6027aa77f3d96d4a1f44f58d19ff31835ffba28aaeed3bc4
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 13KB
                                        • SHA256 e92b4089a4b8d69c97096345173ee014fab519eb26b8c52ac89623ff3eccc9cf
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 32KB
                                        • SHA256 95ecae44f096d52be6fe66f1cd09d3fb54163fafcf58e1c4e382e164b1eb43e7
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        sync_diagnostic.log

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                        • Size 22KB
                                        • SHA256 b457d28dbbe96360118ef6de7c8482fc80e903b077c4db65ee11083618be1a49
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 25KB
                                        • SHA256 a9c25b270118715a04d16e90fad2262b462c9888625f728c5db3eb31f11c4e4b
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 32KB
                                        • SHA256 90a26d42cd8012ec7398e2322678d41dfc60f5ec77768d5fa1a532693fa55bfb
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 5cea25cdfe70efce61922c80e5f6d579d6cdd990fa77f90b71e349a09dec75dc
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 b38c44d896f226097bf5c874312094a56e11d862f89596e1314b6bfe5eb79458
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                        • Size 2KB
                                        • SHA256 bac05fd20d12ad4e5f51744ef0fc9ca4b998c40a257eb33d483d4882900babf3
                                        • MD5 SHA1 SHA512 TLSH

                                        RetroBarInstaller.tmp

                                        • Path C:\Users\Admin\AppData\Local\Temp\is-4NQ5K.tmp\RetroBarInstaller.tmp
                                        • Size 3.5MB
                                        • SHA256 1aa083c03c2234b5d181aee9fe27aa154b409b82e6718c2a17eef7a7f4922bb0
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        memory/3828-0-0x0000000000710000-0x00000000007E9000-memory.dmp

                                        memory/3828-10-0x0000000000710000-0x00000000007E9000-memory.dmp

                                        memory/5096-12-0x0000000000F80000-0x0000000000F81000-memory.dmp

                                        memory/5096-11-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-315-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-318-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-5-0x0000000000F80000-0x0000000000F81000-memory.dmp

                                        memory/5096-345-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-347-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-349-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-288-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5096-175-0x0000000000B80000-0x0000000000F19000-memory.dmp

                                        memory/5372-289-0x0000025880000000-0x0000025881000000-memory.dmp