Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    26/05/2026, 00:24

General

  • Target
    hjbk.exe
  • Size 2.3MB
  • Sample260526-ap8rdscs8y
  • SHA256 d5655568fee9c610139d41d367afc74e768e1c8baf70e37912e9ebeb27b5d411
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 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
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 15 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3148
      • C:\Users\Admin\AppData\Local\Temp\hjbk.exe
        "C:\Users\Admin\AppData\Local\Temp\hjbk.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3008
      • 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 AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1640
        • 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=0xfc,0x100,0x104,0xe0,0x108,0x7fff8797c728,0x7fff8797c734,0x7fff8797c740
          3⤵
            PID:3052
          • 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 --no-pre-read-main-dll --force-high-res-timeticks=disabled --metrics-shmem-handle=1964,i,5736420075322343890,13452336870604600148,524288 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2056 /prefetch:11
            3⤵
            • System Time Discovery
            PID:5892
          • 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=1608,i,16477422656509953817,10375170562792051710,262144 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2020 /prefetch:2
            3⤵
              PID:6024
            • 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=2352,i,13570762084209725129,11077616562478502894,524288 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2436 /prefetch:13
              3⤵
                PID:6076
              • 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=3188,i,11650734523532764505,10222978168108409673,2097152 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3212 /prefetch:1
                3⤵
                  PID:1612
                • 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=3220,i,16317164807569285176,4873240826067036472,2097152 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3244 /prefetch:1
                  3⤵
                    PID:1856
                  • 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=4228,i,12980114191907165400,8467842052296004515,2097152 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4292 /prefetch:9
                    3⤵
                      PID:1452
                    • 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=4640,i,2970241573929678962,11443885789461018879,2097152 --field-trial-handle=2024,i,5571938933692786584,6191678410080828183,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4576 /prefetch:1
                      3⤵
                        PID:4732
                    • 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:5124
                      • 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=0x23c,0x240,0x244,0x238,0x2f0,0x7fff8795c188,0x7fff8795c194,0x7fff8795c1a0
                        3⤵
                          PID:4304
                        • 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=1852,i,5370799994158502023,12554152873685632426,524288 --field-trial-handle=2296,i,16730617087641766323,3583442567694860668,262144 --variations-seed-version --mojo-platform-channel-handle=2384 /prefetch:11
                          3⤵
                          • System Time Discovery
                          PID:1988
                        • 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=1644,i,18130734810129938617,17788839924940132469,262144 --field-trial-handle=2296,i,16730617087641766323,3583442567694860668,262144 --variations-seed-version --mojo-platform-channel-handle=2288 /prefetch:2
                          3⤵
                            PID:2764
                          • 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=2536,i,7813859709733335228,5191694532649832747,524288 --field-trial-handle=2296,i,16730617087641766323,3583442567694860668,262144 --variations-seed-version --mojo-platform-channel-handle=2532 /prefetch:13
                            3⤵
                              PID:4908
                            • 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=3464,i,8269154293226005809,10442384735656587022,2097152 --field-trial-handle=2296,i,16730617087641766323,3583442567694860668,262144 --variations-seed-version --mojo-platform-channel-handle=3536 /prefetch:1
                              3⤵
                                PID:1432
                              • 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=3468,i,8612623100186242019,16122327076700854591,2097152 --field-trial-handle=2296,i,16730617087641766323,3583442567694860668,262144 --variations-seed-version --mojo-platform-channel-handle=3540 /prefetch:1
                                3⤵
                                  PID:2128
                            • 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:4688
                              • 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:4892

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 115KB
                                      • SHA256 9b9525705c8ca6c963aaf8888b3acf205db6b9a5c86e0e719e89490c0512d4ec
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 6b09340cb22edbf71e0f90763fd435b35e26e3a84e71f4c033073dc564ceacd0
                                      • MD5 SHA1 SHA512 TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 79054d3106248f0ce580d1442e78fcc5cc48ea2a5eb3b58c6aad98c7106da4b2
                                      • MD5 SHA1 SHA512 TLSH

                                      SCT Auditing Pending Reports

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

                                      Web Data

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Web Data
                                      • Size 224KB
                                      • SHA256 9081c80e48d6086db9fb097aa85fa97e89c25321b1c77f8b5c10a9583c971d03
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 24KB
                                      • SHA256 9525cefc50ce0282093fad6a1c0c1cca676cc21d62fc54f505d0317cb5b5bef0
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 25KB
                                      • SHA256 ee297f54be0e3b05a6f5147d60779932ebc4d5b432801d7ffb2efaf16e516da0
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      memory/3008-0-0x00000000214C0000-0x0000000021589000-memory.dmp

                                      memory/3008-1-0x00000000214C0000-0x0000000021589000-memory.dmp

                                      memory/3008-2-0x00000000214C0000-0x0000000021589000-memory.dmp