Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2025, 22:42

General

  • Target
    quarantine/b.exe
  • Size 9.5MB
  • Sample250223-2mse6swpht
  • SHA256 49353eb4529f18f516161726749c0f60e80d4c3b448f9d2606d59e82e730420a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Uses browser remote debugging 2 TTPs 3 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 13 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quarantine\b.exe
    "C:\Users\Admin\AppData\Local\Temp\quarantine\b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:5032
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:1692
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        2⤵
          PID:4680
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          2⤵
            PID:772
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            2⤵
            • Accesses Microsoft Outlook accounts
            • Accesses Microsoft Outlook profiles
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • outlook_office_path
            • outlook_win_path
            PID:4128
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Modifies registry class
              • Suspicious use of FindShellTrayWindow
              PID:2368
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              --restore-last-session --remote-debugging-port=9225 --remote-allow-origins=* --headless "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --profile-directory="Default"
              3⤵
              • Uses browser remote debugging
              PID:3044
              • 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=0x104,0x108,0x10c,0xe0,0x110,0x7ffbc6df46f8,0x7ffbc6df4708,0x7ffbc6df4718
                4⤵
                  PID:2596
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1144,10427344600876394355,1290590184063827402,131072 --disable-features=PaintHolding --headless --headless --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=swiftshader-webgl --override-use-software-gl-for-tests --mojo-platform-channel-handle=1484 /prefetch:2
                  4⤵
                    PID:2404
                  • 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=1144,10427344600876394355,1290590184063827402,131072 --disable-features=PaintHolding --lang=en-US --service-sandbox-type=none --use-gl=swiftshader-webgl --headless --mojo-platform-channel-handle=1864 /prefetch:3
                    4⤵
                      PID:1332
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9225 --allow-pre-commit-input --field-trial-handle=1144,10427344600876394355,1290590184063827402,131072 --disable-features=PaintHolding --lang=en-US --headless --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2028 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:4360
                  • C:\Windows\system32\rundll32.exe
                    "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                    3⤵
                    • Modifies registry class
                    • Suspicious use of FindShellTrayWindow
                    PID:736
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    --restore-last-session --remote-debugging-port=9223 --remote-allow-origins=* --headless "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --profile-directory="Default"
                    3⤵
                    • Uses browser remote debugging
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3284
                    • 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=123.0.6312.123 --initial-client-data=0x100,0x104,0x108,0xe8,0x10c,0x7ffbc5fccc40,0x7ffbc5fccc4c,0x7ffbc5fccc58
                      4⤵
                        PID:4484
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --headless --use-angle=swiftshader-webgl --headless --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --field-trial-handle=1444,i,4380909709919020967,7642871018067578852,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=1428 /prefetch:2
                        4⤵
                          PID:3764
                        • 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 --use-angle=swiftshader-webgl --use-gl=angle --headless --field-trial-handle=1744,i,4380909709919020967,7642871018067578852,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=1740 /prefetch:3
                          4⤵
                            PID:2760
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:2684
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:5060
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:2204
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:2300
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:4260
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:2960
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Modifies registry class
                          • Suspicious use of FindShellTrayWindow
                          PID:2896
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
                          3⤵
                          • Suspicious use of FindShellTrayWindow
                          PID:4460
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:2052

                      Network

                            MITRE ATT&CK Enterprise v15

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                            Downloads

                            Rqrwurwiqihdeq

                            • Path C:\Users\Admin\AppData\Local\Temp\Rqrwurwiqihdeq
                            • Size 40KB
                            • SHA256 02b1c2234680617802901a77eae606ad02e4ddb4282ccbc60061eac5b2d90bba
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/1624-8-0x0000000003120000-0x000000000313A000-memory.dmp

                            memory/1624-9-0x0000000003150000-0x0000000003156000-memory.dmp

                            memory/1624-4-0x0000000005950000-0x00000000059EC000-memory.dmp

                            memory/1624-5-0x0000000005880000-0x000000000588A000-memory.dmp

                            memory/1624-6-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/1624-7-0x0000000005C00000-0x0000000005C26000-memory.dmp

                            memory/1624-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

                            memory/1624-3-0x00000000058B0000-0x0000000005942000-memory.dmp

                            memory/1624-10-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

                            memory/1624-11-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/1624-13-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/1624-57-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/1624-70-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/1624-2-0x0000000005E60000-0x0000000006404000-memory.dmp

                            memory/1624-1-0x0000000000510000-0x0000000000E9A000-memory.dmp

                            memory/2760-56-0x0000000007920000-0x0000000007926000-memory.dmp

                            memory/2760-16-0x0000000007300000-0x00000000075C2000-memory.dmp

                            memory/2760-18-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-39-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-42-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-40-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-32-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-53-0x00000000025F0000-0x00000000025F6000-memory.dmp

                            memory/2760-24-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-22-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-20-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-54-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/2760-55-0x0000000007880000-0x000000000789A000-memory.dmp

                            memory/2760-15-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/2760-58-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/2760-59-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/2760-65-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/2760-12-0x0000000000400000-0x00000000004A2000-memory.dmp

                            memory/2760-14-0x0000000074B10000-0x00000000752C0000-memory.dmp

                            memory/4128-72-0x0000000063280000-0x00000000634BE000-memory.dmp

                            memory/4128-83-0x0000000003E40000-0x0000000003F80000-memory.dmp

                            memory/4128-71-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-73-0x000000006E600000-0x000000006E69D000-memory.dmp

                            memory/4128-67-0x0000000000400000-0x0000000000931000-memory.dmp

                            memory/4128-74-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-75-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-76-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-77-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-78-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-80-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-81-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-84-0x0000000003E40000-0x0000000003F80000-memory.dmp

                            memory/4128-69-0x0000000000400000-0x0000000000931000-memory.dmp

                            memory/4128-82-0x0000000005420000-0x0000000005421000-memory.dmp

                            memory/4128-79-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-85-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-86-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-87-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-89-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-90-0x00000000038B0000-0x0000000003E40000-memory.dmp

                            memory/4128-92-0x0000000003E40000-0x0000000003F80000-memory.dmp

                            memory/4128-91-0x0000000005F70000-0x0000000005F71000-memory.dmp

                            memory/5032-60-0x0000000000400000-0x000000000045F000-memory.dmp

                            memory/5032-63-0x0000000000400000-0x000000000045F000-memory.dmp

                            memory/5032-64-0x0000000000400000-0x000000000045F000-memory.dmp

                            memory/5032-66-0x0000000000400000-0x000000000045F000-memory.dmp