Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2025 23:00

General

  • Target

    empyrean-grabber/src/config.py

  • Size

    192B

  • MD5

    36b6f6034baef719be778b89b1226a6e

  • SHA1

    f02c63ff4ead4a66e375ae8145d409537b302d78

  • SHA256

    70773b420265012d9e1cb9d9bc8a83d8a4ec055d3907bd85102cce4a1853abac

  • SHA512

    67e3164601de145a4ee2888a1772aa8a12cfcc8a2edc995861fd316ab187d9ae3cb0ee36a9094fdb79db8c5d907f50b9dfe88828590285f02c7fd65b5cb6e129

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 7 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Downloads MZ/PE file 1 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 10 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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 Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • System policy modification 1 TTPs 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-grabber\src\config.py
    1⤵
      PID:2316
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:2892
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTcyMTY0NzA3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:2248
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\MicrosoftEdge_X64_133.0.3065.59.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Installs/modifies Browser Helper Object
        • Drops file in Program Files directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:556
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff74f056a68,0x7ff74f056a74,0x7ff74f056a80
          3⤵
          • Executes dropped EXE
          PID:4148
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe" --msedge --channel=stable --system-level --verbose-logging --create-shortcuts=2 --install-level=1
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:4064
          • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe
            "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff74f056a68,0x7ff74f056a74,0x7ff74f056a80
            4⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            PID:2352
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --register-package-identity --verbose-logging --system-level
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2956
          • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff78f9f6a68,0x7ff78f9f6a74,0x7ff78f9f6a80
            4⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            PID:4288
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
          3⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious use of WriteProcessMemory
          PID:1540
          • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff78f9f6a68,0x7ff78f9f6a74,0x7ff78f9f6a80
            4⤵
            • Executes dropped EXE
            PID:4092
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1648
          • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff78f9f6a68,0x7ff78f9f6a74,0x7ff78f9f6a80
            4⤵
            • Executes dropped EXE
            PID:2124
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
      1⤵
        PID:3136
      • C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe
        "C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe" /InvokerPRAID: Microsoft.MicrosoftOfficeHub prelaunch
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2188
      • C:\Windows\system32\wwahost.exe
        "C:\Windows\system32\wwahost.exe" -ServerName:Microsoft.MicrosoftOfficeHub.wwa
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1152

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{AA5D2B09-62C2-4F51-BD71-935CA3E4036E}\EDGEMITMP_C955E.tmp\setup.exe

        Filesize

        6.8MB

        MD5

        1b3e9c59f9c7a134ec630ada1eb76a39

        SHA1

        a7e831d392e99f3d37847dcc561dd2e017065439

        SHA256

        ce78ccfb0c9cdb06ea61116bc57e50690650b6b5cf37c1aebfb30c19458ee4ae

        SHA512

        c0e50410dc92d80ff7bc854907774fc551564e078a8d38ca6421f15cea50282c25efac4f357b52b066c4371f9b8d4900fa8122dd80ab06ecbd851c6e049f7a3e

      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

        Filesize

        3.9MB

        MD5

        ad5f7dc7ca3e67dce70c0a89c04519e0

        SHA1

        a10b03234627ca8f3f8034cd5637cda1b8246d83

        SHA256

        663fe0f4e090583e6aa5204b9a80b7a76f677259066e56a7345aebc6bc3e7d31

        SHA512

        ad5490e9865caa454c47ec2e96364b9c566b553e64801da60c295acd570017747be1aff6f22ca6c20c6eee6f6d05a058af72569fd6e656f66e48010978c7fd51

      • C:\Program Files\msedge_installer.log

        Filesize

        73KB

        MD5

        9c1f3c2f8f329c4c59ce60833e6384a8

        SHA1

        cfd568309c77cd382d2a4d0c1607dce82a6c4271

        SHA256

        51237b9942d20a13e075407a6852cb22fdcf4a9ca91739d0bf09c72388a2c1c2

        SHA512

        aa7918fd652663b3c78f5c96b5d3e326e17efb41d0caaf9ec07c440cb0a18d567eb5e799720ae435147e6e54f3504af6b07c66b87d4f0707633e8461910da598

      • C:\Program Files\msedge_installer.log

        Filesize

        98KB

        MD5

        2e4460605479edf5f4dce80314e0b9e1

        SHA1

        ed490bf04e148c3f70845044fbb6aceefcf6cf3a

        SHA256

        93d390a5e1d95d18652272ad6df3884faff30bb6dda8389fe65c8f587a5485a9

        SHA512

        d2eccafe424808474109004cdb0592fd826226993c2cc5b60d047e17436b453f43cf6213e161cbe53de360fd790bc61c68ca0d44e54ba5a8ca660028ad012f46

      • C:\Program Files\msedge_installer.log

        Filesize

        101KB

        MD5

        ad4156114367093588981a64f243840d

        SHA1

        4af9aeec7b7c2838401455a1507f5c55f138c997

        SHA256

        91ff0c1c21fcc272b75f2765e45b8e8d42ff962d4ebca43fef3793d9df82df03

        SHA512

        b2a0e40edba0640f739c6ac8aa330a0d39c6f6bb498f917320e8488d0c901c244e95d3d04ff5dee66299d5fd75c087e2c1ee627b81d3f3ab6316908659b6c5d9

      • C:\Program Files\msedge_installer.log

        Filesize

        102KB

        MD5

        b000a5f98b4a66bd032dffdc90cd7540

        SHA1

        4000d1a3712c67e56b49b0377496a0807931efae

        SHA256

        ffdc026913ce4f1dfe812fe1a85845513037617cfab1ad8864511b1450753aaf

        SHA512

        a3794ff1f2033685728587d627b896181e2fad58b3717c2a04922809782d7d4fe0743e6d6a72dc650ccff7399433f9eaf734dcccf34565c3c80325371896b36e

      • memory/2188-71-0x0000028A3FDC0000-0x0000028A3FDCE000-memory.dmp

        Filesize

        56KB

      • memory/2188-72-0x0000028A59F90000-0x0000028A59F9A000-memory.dmp

        Filesize

        40KB

      • memory/2188-73-0x0000028A59FC0000-0x0000028A59FC8000-memory.dmp

        Filesize

        32KB

      • memory/2188-74-0x0000028A5B600000-0x0000028A5B849000-memory.dmp

        Filesize

        2.3MB