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
    12/02/2025, 01:11

General

  • Target

    HorionInjector.exe

  • Size

    147KB

  • MD5

    6b5b6e625de774e5c285712b7c4a0da7

  • SHA1

    317099aef530afbe3a0c5d6a2743d51e04805267

  • SHA256

    2d79af8e1ff3465703e1dc73d3ef2182fd269ea2609c8afabdf1b80693405c1d

  • SHA512

    104609adf666588af4e152ec7891cedafd89ad8d427063d03fb42a228babefc59428b0c8b1430cb3fc319a5014d2ee1083ff2b74fa585cab2d86cdad346e8b08

  • SSDEEP

    3072:ckgHqUGSCoEslON/q178+oO3BAE4T/DvueX:cNHqUGSCPBh+7VST/Ke

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 3 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\HorionInjector.exe
    "C:\Users\Admin\AppData\Local\Temp\HorionInjector.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1032
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjczMDg4NDE3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:860
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\MicrosoftEdge_X64_132.0.2957.140.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\MicrosoftEdge_X64_132.0.2957.140.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\MicrosoftEdge_X64_132.0.2957.140.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:3364
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff77b6da818,0x7ff77b6da824,0x7ff77b6da830
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        PID:3664
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.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:3520
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff77b6da818,0x7ff77b6da824,0x7ff77b6da830
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          PID:3396
      • C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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:2596
        • C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff79f04a818,0x7ff79f04a824,0x7ff79f04a830
          4⤵
          • Executes dropped EXE
          PID:3592
      • C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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:4448
        • C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff79f04a818,0x7ff79f04a824,0x7ff79f04a830
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          PID:4516
      • C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:60
        • C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff79f04a818,0x7ff79f04a824,0x7ff79f04a830
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          PID:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{474034AD-EE66-46B0-AE40-E2CE6146B2A7}\EDGEMITMP_23817.tmp\setup.exe

    Filesize

    6.6MB

    MD5

    b4c8ad75087b8634d4f04dc6f92da9aa

    SHA1

    7efaa2472521c79d58c4ef18a258cc573704fb5d

    SHA256

    522a25568bb503cf8b44807661f31f0921dee91d37691bf399868733205690bf

    SHA512

    5094505b33a848badcffd6b3b93aad9ad73f391e201dee052376c4f8573ba351f0b8c102131216088ffb38d0ed7b5fe70ba95c3ac2c33a50c993584fe7c435e3

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

    Filesize

    3.7MB

    MD5

    3646786aea064c0845f5bb1b8e976985

    SHA1

    a31ba2d2192898d4c0a01511395bdf87b0e53873

    SHA256

    a129a6de7b90500483226192b260eaca1ee116a007771d421aa3eee38af48d6f

    SHA512

    145f8abf2ecffd8ecc3745dbd9ab2e360826fa46d6f21dbebece7802b9b5980f4ab19e2dfd180ce0cfb84366f3ac5c87cd1b74a085e1a0dd620b6c097900e0f4

  • C:\Program Files\msedge_installer.log

    Filesize

    71KB

    MD5

    fa420cb290480460570fdf2f6664c046

    SHA1

    aab1ab26cedae5cc3308051794f26e4881150880

    SHA256

    5e5fa496dfcf292de13d051289f033c663091003713be963a5d2148ed6987e4c

    SHA512

    4cc3db8244bc7b17c8ffd0d92d87774aa2ea751774b000cfc6d0a9c318f17a3ed05cd34d4be57b1847bdf781273faabdf4d1772862f43fb65126ff8a3eb837ff

  • C:\Program Files\msedge_installer.log

    Filesize

    100KB

    MD5

    6c2773f09c3f1f47db2f8b84fc5545c3

    SHA1

    527724d0894a7af4bad4cf9f7e47d3125f0c5af6

    SHA256

    d1898d4c0a5e67631740ef43fd4652ffef82bae894a0df5c18cd7b0e77206200

    SHA512

    54123cff63c4bf4fb0f8713af9d7b6b85c07c538447288a13eb00c62ef3383f058d075d31b6e258833a2e28f19becd30198cfe729255cca2cdf8f3491153e067

  • C:\Program Files\msedge_installer.log

    Filesize

    103KB

    MD5

    602c361f6d5fedf9457a5aa5e6497818

    SHA1

    3f9aaedb88a369108c70e5324af772527cd9a142

    SHA256

    0593c5fde3463017e3f42c69ece2f3a5885216c15d4afec4b7768b6bfa14f83d

    SHA512

    42984df7bf08d4d328c0b078c3fa4420ab52cce274c8841a7cecc7c4813c8e0f90ae36472dbe5f2410ffdfbc5c0766c0b2ad21d5377cf5bde811b028f4c010b3

  • C:\Program Files\msedge_installer.log

    Filesize

    103KB

    MD5

    521ba366e32ceed7d057a94632ac85a2

    SHA1

    8d8e32f35c60b65d960ece3bfe667a4bf9634c73

    SHA256

    a1b90a2e3e2826c64175f77069bf5614f75db6bd952bb42614888a80c624203b

    SHA512

    ba2dbd8377885b0284be11b3421f868a9cb7de6eeb3b4de9dbb7452e1be0af3599a4440881da771d0dcc79a2e152c74a6d0079c5874f73f48572ca45a1ffb045

  • memory/1032-5-0x00007FFE28900000-0x00007FFE293C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1032-9-0x0000022CE59C0000-0x0000022CE59CE000-memory.dmp

    Filesize

    56KB

  • memory/1032-8-0x0000022CE5A00000-0x0000022CE5A38000-memory.dmp

    Filesize

    224KB

  • memory/1032-10-0x00007FFE28900000-0x00007FFE293C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1032-11-0x00007FFE28900000-0x00007FFE293C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1032-12-0x00007FFE28900000-0x00007FFE293C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1032-7-0x00007FFE28903000-0x00007FFE28905000-memory.dmp

    Filesize

    8KB

  • memory/1032-6-0x0000022CE59B0000-0x0000022CE59B8000-memory.dmp

    Filesize

    32KB

  • memory/1032-0-0x00007FFE28903000-0x00007FFE28905000-memory.dmp

    Filesize

    8KB

  • memory/1032-4-0x00007FFE28900000-0x00007FFE293C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1032-3-0x00007FFE28900000-0x00007FFE293C1000-memory.dmp

    Filesize

    10.8MB

  • memory/1032-2-0x0000022CFFA60000-0x0000022CFFB1A000-memory.dmp

    Filesize

    744KB

  • memory/1032-1-0x0000022CE55F0000-0x0000022CE5618000-memory.dmp

    Filesize

    160KB