Analysis

  • max time kernel
    298s
  • max time network
    196s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    05/06/2026, 20:36

General

  • Target
    bjbh.exe
  • Size 6.4MB
  • Sample260605-zd1dbadx21
  • SHA256 696420e2d8f3d36081022d71db11ae48b5bb17b5c4f46db590745044f706d7f9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 2 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 1 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 2 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 38 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3340
      • C:\Users\Admin\AppData\Local\Temp\bjbh.exe
        "C:\Users\Admin\AppData\Local\Temp\bjbh.exe"
        2⤵
        • Downloads MZ/PE file
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4616
        • C:\Users\Admin\Documents\Screenshot album\V3Y3nFJganp1aUL7pzNkPLWG.exe
          "C:\Users\Admin\Documents\Screenshot album\V3Y3nFJganp1aUL7pzNkPLWG.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3980
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe Reload.a3x
            4⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2688
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --new-window
        2⤵
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5348
        • 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=0x220,0x224,0x228,0x1fc,0x22c,0x7fffa53fc728,0x7fffa53fc734,0x7fffa53fc740
          3⤵
            PID:2000
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1788,i,3931116610845201941,13225504883498469046,262144 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2012 /prefetch:2
            3⤵
              PID:5320
            • 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=2272,i,5796894463721496411,10737358557079626749,524288 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2268 /prefetch:3
              3⤵
              • System Time Discovery
              PID:1280
            • 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=2404,i,1618049475942106539,10205926595652864567,524288 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2600 /prefetch:8
              3⤵
                PID:2652
              • 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=3256,i,6686138223361332669,6020932091004620137,2097152 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3280 /prefetch:1
                3⤵
                  PID:916
                • 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=3260,i,10188886870060999894,10315342395510475153,2097152 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3288 /prefetch:1
                  3⤵
                    PID:6032
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --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=7 --metrics-shmem-handle=4332,i,8453792450595951766,13312363909545342897,2097152 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4208 /prefetch:2
                    3⤵
                      PID:1660
                    • 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=4628,i,4251170704068736517,10031382265344222626,2097152 --field-trial-handle=2028,i,16947083365316915905,10158733045551559417,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4552 /prefetch:1
                      3⤵
                        PID:5984
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-first-run --new-window
                      2⤵
                      • Drops file in Windows directory
                      • Enumerates system info in registry
                      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:2960
                      • 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=0x260,0x264,0x268,0x25c,0x270,0x7fffa587c188,0x7fffa587c194,0x7fffa587c1a0
                        3⤵
                          PID:3232
                        • 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=1888,i,4748134365671669170,16456590582586413356,524288 --field-trial-handle=2332,i,8793367483514113086,1744157168532842218,262144 --variations-seed-version --mojo-platform-channel-handle=2372 /prefetch:3
                          3⤵
                          • System Time Discovery
                          PID:5316
                        • 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=1776,i,15734163791285230437,8410145487386830989,262144 --field-trial-handle=2332,i,8793367483514113086,1744157168532842218,262144 --variations-seed-version --mojo-platform-channel-handle=2328 /prefetch:2
                          3⤵
                            PID:6136
                          • 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=1996,i,9318071601452489115,13587053878434980916,524288 --field-trial-handle=2332,i,8793367483514113086,1744157168532842218,262144 --variations-seed-version --mojo-platform-channel-handle=2632 /prefetch:8
                            3⤵
                              PID:556
                            • 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=3380,i,16620437932222462922,12124992649992431987,2097152 --field-trial-handle=2332,i,8793367483514113086,1744157168532842218,262144 --variations-seed-version --mojo-platform-channel-handle=3420 /prefetch:1
                              3⤵
                                PID:3600
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --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=3400,i,7982858722432183719,7145175333619618764,2097152 --field-trial-handle=2332,i,8793367483514113086,1744157168532842218,262144 --variations-seed-version --mojo-platform-channel-handle=3496 /prefetch:1
                                3⤵
                                  PID:4168
                            • 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:2828
                              • 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:5140

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      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

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 5KB
                                      • SHA256 5c13c505b14cf2300e6eab17ea70e7479324ef1ef25b7862d756df9185856c20
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 9e9b606cfbfc7b0fcbfab1ff9a90d94ddcf0c4033903cc47f13cbcd8bcac95cc
                                      • MD5 SHA1 SHA512 TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 35cc5409a0e92c7b1f173401d1114c9d5fdc977752a8e45ce9068d8101c9a651
                                      • MD5 SHA1 SHA512 TLSH

                                      Web Data

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Web Data
                                      • Size 224KB
                                      • SHA256 8b36e43232843fb1ca0a21c3344b07b38856ebf257f21ab46a9d549b0c3ebb3d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 25KB
                                      • SHA256 d2c3fcf601fc44eb7dfd29aa0b053836b67f1281b1ec146cb781b5ac01333482
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 24KB
                                      • SHA256 dddafb5053d1bc7a2aee8c2550707678141ecc2efd793a7dc9220c6810cdd41b
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      AutoIt3.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe
                                      • Size 957KB
                                      • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Reload.a3x

                                      • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Reload.a3x
                                      • Size 1.2MB
                                      • SHA256 6cc8223987f1fc38c128a0a27b2e9dfb5d53a9937839b34221b3e3adf20d51d8
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      V3Y3nFJganp1aUL7pzNkPLWG.exe

                                      • Path C:\Users\Admin\Documents\Screenshot album\V3Y3nFJganp1aUL7pzNkPLWG.exe
                                      • Size 2.2MB
                                      • SHA256 04fae87ad99118b414439853eb0950d62a0b37bb7ef62c9bfe40fbe70c5dc00e
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      memory/2688-23-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-29-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-22-0x0000000005B60000-0x0000000005B61000-memory.dmp

                                      memory/2688-110-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-111-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-112-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-113-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-114-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-115-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-116-0x0000000005D20000-0x0000000005DEC000-memory.dmp

                                      memory/2688-117-0x0000000000CA0000-0x0000000000D93000-memory.dmp

                                      memory/4616-0-0x0000000140000000-0x0000000140095000-memory.dmp

                                      memory/4616-21-0x0000000140000000-0x0000000140095000-memory.dmp