Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/02/2025, 14:44

General

  • Target

    1052-26-0x0000000000400000-0x000000000047F000-memory.exe

  • Size

    508KB

  • MD5

    a052f1b879939990ae2405af3fa32ca0

  • SHA1

    10b7872c10da5ebede0fe469ecaa5c55501c193e

  • SHA256

    4b2ba806275b963cf292b0d0f50fe16db9e33db3dc74bd66b810ff143552ad51

  • SHA512

    a4324f4486201568571c8c332002bf7ce4efaf79b3578244b1edc6031b7c3312cc169b14a7db9980d2ea86c7278f8d3fd73531686ce88a0494814067c4d3cf1b

  • SSDEEP

    12288:XuD09AUkNIGBYYv4eK13x13nZHSRVMf139F5wIB7+IwtHwBtVxbesvZDS:K09AfNIEYsunZvZ19Z

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 24 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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:\Users\Admin\AppData\Local\Temp\1052-26-0x0000000000400000-0x000000000047F000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\1052-26-0x0000000000400000-0x000000000047F000-memory.exe"
    1⤵
      PID:1552
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDQ4MzE5MDQ0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:2672
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\MicrosoftEdge_X64_133.0.3065.69.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\MicrosoftEdge_X64_133.0.3065.69.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\MicrosoftEdge_X64_133.0.3065.69.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:2844
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.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=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff79f1e6a68,0x7ff79f1e6a74,0x7ff79f1e6a80
          3⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          PID:4592
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.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
          • Drops file in Program Files directory
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:3528
          • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe
            "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.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=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff79f1e6a68,0x7ff79f1e6a74,0x7ff79f1e6a80
            4⤵
            • Executes dropped EXE
            PID:812
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\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:2064
          • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\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=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6eff46a68,0x7ff6eff46a74,0x7ff6eff46a80
            4⤵
            • Executes dropped EXE
            PID:3328
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1680
          • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\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=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6eff46a68,0x7ff6eff46a74,0x7ff6eff46a80
            4⤵
            • Executes dropped EXE
            PID:1036
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3280
          • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\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=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6eff46a68,0x7ff6eff46a74,0x7ff6eff46a80
            4⤵
            • Executes dropped EXE
            PID:4012
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
      1⤵
        PID:4240

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8C087831-0652-47FD-BA1D-DDAE4DD34713}\EDGEMITMP_3B922.tmp\setup.exe

        Filesize

        6.8MB

        MD5

        bdb1aecedc15fc82a63083452dad45c2

        SHA1

        a074fcd78665ff90ee3e50ffcccad5f6c3e7ddcb

        SHA256

        4ea0907c3fc2c2f6a4259002312671c82e008846d49957bb3b9915612e35b99f

        SHA512

        50909640c2957fc35dd5bcac3b51797aa5daa2fb95364e69df95d3577482e13f0c36a70ae098959cb9c2aaeb4cfe43025c1d8d55b5f8858b474bcb702609749d

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

        Filesize

        3.9MB

        MD5

        4aaa893417cccc147989f876c6a7b295

        SHA1

        b1e35c83518bb275924ead0cd6206bf0c982d30f

        SHA256

        2c38e3c3f18e2d3fb7f04336356b9b5186cabe06b3343beec318ef0def1a9eeb

        SHA512

        109e0c88977fae65a4950fc38393ca32a70d68ef41aeb75b28e6566e0fa626e32e31be38308e7ed5b6a8ba1f56fb5f2133a07aa8bb643224c3dbb089ce9cfd0e

      • C:\Program Files\msedge_installer.log

        Filesize

        72KB

        MD5

        e423a23d47498d0d9de707eb1b503ec4

        SHA1

        fb133741129fee7ebe396db8cb002355e61f4f42

        SHA256

        5e4252d59b92f78976416116b5c32506fd2368c17c1a2b26141540e407c001b6

        SHA512

        ea39bad6cbd24dc0e972cf515ff02e3a9343476e7f11f8d1f1990cbdd0136b33f4fcb9b65f7b6ca06ace8c88ff65d63dd749d5de4aed5a441a2077746c3187fe

      • C:\Program Files\msedge_installer.log

        Filesize

        99KB

        MD5

        cd74d63994a7c9844b0e342fe1876ff4

        SHA1

        d87b5c4a0823f5d46ba9282268ae1bf48ded63eb

        SHA256

        612e630506e6a3d0dac4d763ebca1781b2578a02e6af34f84a82a15a7dc83e96

        SHA512

        021b80a294cc26a4cb3bcae6086341a033b504366539024c75dbb4aef28cb020e8ed212a38234ba86356003207145879c438b91afc3cc4ec239aee61b5ffa57a

      • C:\Program Files\msedge_installer.log

        Filesize

        102KB

        MD5

        e5b8ec13a71ab4a4158db06c64fe1247

        SHA1

        cf12b5c93db62506495b60de6556b473a871c06a

        SHA256

        433c20384bcad73e15b8a9bce3f40d1bb6f15bec95f3ccc8a8ec04e5371bf6f1

        SHA512

        62f930a8c9d0b9d74079fae9bb9ebef3dc3a8cf1f77ba0a3a9837750e619c51c14ddd787e293d03ad5f35e924b7fbbc8536fdcf88cc17796561db000f590c484

      • C:\Program Files\msedge_installer.log

        Filesize

        104KB

        MD5

        31839512f085a0fb354a876a7dd436c8

        SHA1

        ff3e26defb26cf87e3dc8abdaff8a7c5c312416a

        SHA256

        9fc550feef60e56024a73b7207e4a12fe9352902258fdcada1687031d96f83e0

        SHA512

        ebf48847e5920c47cee7e7b84d99305095ba14c8de4c441ff2ba58b7338f820396d3ea4d447a5767a51cb9d445a9a4eb4f9892679a238e4675bced8da29271d7