Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 2 IoCs

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

  • Loads dropped DLL 10 IoCs
  • 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 14 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 3 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 19 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 13 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:2280
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Loads dropped DLL
      • 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
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1136
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
        3⤵
        • Suspicious use of FindShellTrayWindow
        PID:2960
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
        3⤵
        • Suspicious use of FindShellTrayWindow
        PID:2420
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
        3⤵
        • Suspicious use of FindShellTrayWindow
        PID:1508
      • 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
        • Suspicious use of WriteProcessMemory
        PID:2756
        • 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:7 --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=106.0.5249.119 --initial-client-data=0xc8,0xcc,0xd0,0x9c,0xd4,0x7fef5d99758,0x7fef5d99768,0x7fef5d99778
          4⤵
            PID:2836
          • 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=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --mojo-platform-channel-handle=868 --field-trial-handle=956,i,9755507363841896865,14555008493659398894,131072 --disable-features=PaintHolding /prefetch:2
            4⤵
              PID:2616
            • 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 --mojo-platform-channel-handle=1232 --field-trial-handle=956,i,9755507363841896865,14555008493659398894,131072 --disable-features=PaintHolding /prefetch:8
              4⤵
                PID:2112
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --headless --lang=en-US --first-renderer-process --remote-debugging-port=9223 --allow-pre-commit-input --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=1448 --field-trial-handle=956,i,9755507363841896865,14555008493659398894,131072 --disable-features=PaintHolding /prefetch:1
                4⤵
                • Uses browser remote debugging
                PID:1468
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:2672
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:348
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:2208
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:1676
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:1564
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:2732
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:2804
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:3012
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61
              3⤵
              • Suspicious use of FindShellTrayWindow
              PID:2028

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              StructuredQuerySchema.bin

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\1033\StructuredQuerySchema.bin
              • Size 292KB
              • SHA256 29bbdf534e97add374f41c9a2e5a1a34952b8eac501f1a8828f5999e7e0d79f7
              • MD5 SHA1 SHA512 SSDEEP

              Qpqtpfeeesyaph

              • Path C:\Users\Admin\AppData\Local\Temp\Qpqtpfeeesyaph
              • Size 46KB
              • SHA256 961fc9bf866c5b58401d3c91735f9a7b7b4fc93c94038c504c965491f622b52b
              • MD5 SHA1 SHA512 SSDEEP

              firefox.exe

              • Path \Program Files\Mozilla Firefox\firefox.exe
              • Size 654KB
              • SHA256 912373af6f3c176b7e0a71c986d6288f76f5be80de7c9a580b110690271e9237
              • MD5 SHA1 SHA512 SSDEEP

              memory/1136-40-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-54-0x0000000000950000-0x0000000000951000-memory.dmp

              memory/1136-19-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              memory/1136-44-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-22-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-21-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-79-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-20-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-18-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-17-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-16-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-15-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-23-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-26-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-29-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-27-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-30-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-32-0x000000006E600000-0x000000006E69D000-memory.dmp

              memory/1136-31-0x0000000063280000-0x00000000634BE000-memory.dmp

              memory/1136-33-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-34-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-36-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-37-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-38-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-39-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-42-0x0000000004100000-0x0000000004240000-memory.dmp

              memory/1136-43-0x0000000004100000-0x0000000004240000-memory.dmp

              memory/1136-60-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-62-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-56-0x0000000004100000-0x0000000004240000-memory.dmp

              memory/1136-46-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-45-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-48-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-53-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-14-0x0000000000400000-0x0000000000931000-memory.dmp

              memory/1136-55-0x0000000004100000-0x0000000004240000-memory.dmp

              memory/1136-50-0x0000000003B70000-0x0000000004100000-memory.dmp

              memory/1136-41-0x00000000003F0000-0x00000000003F1000-memory.dmp

              memory/2280-0-0x00000000013C0000-0x0000000001D4A000-memory.dmp

              memory/2280-1-0x00000000002D0000-0x00000000002F6000-memory.dmp

              memory/2280-2-0x0000000000440000-0x000000000045A000-memory.dmp

              memory/2280-3-0x0000000000740000-0x0000000000746000-memory.dmp

              memory/2736-11-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2736-5-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2736-6-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2736-4-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2736-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              memory/2736-8-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2736-12-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2736-13-0x0000000000400000-0x00000000004A2000-memory.dmp

              memory/2960-59-0x0000000002610000-0x0000000002750000-memory.dmp

              memory/2960-64-0x0000000002240000-0x0000000002478000-memory.dmp

              memory/2960-61-0x0000000002240000-0x0000000002478000-memory.dmp

              memory/2960-76-0x0000000002240000-0x0000000002478000-memory.dmp

              memory/2960-81-0x0000000002240000-0x0000000002478000-memory.dmp

              memory/2960-57-0x00000000773F0000-0x00000000773F1000-memory.dmp

              memory/2960-58-0x0000000002610000-0x0000000002750000-memory.dmp

              memory/2960-63-0x0000000002240000-0x0000000002478000-memory.dmp

              memory/2960-51-0x0000000000250000-0x0000000000478000-memory.dmp