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Analysis

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

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2025, 01:55

General

  • Target

    85023972b03169c4cc25cf033fe66145e57f4e9b13d989fe43e2f229d7d40d53.exe

  • Size

    43KB

  • MD5

    ab56ec6e9e1f1c2d295a2c44fd2115d4

  • SHA1

    ea92c7c9dc2e7921feb8e9ecb5163a163345b690

  • SHA256

    85023972b03169c4cc25cf033fe66145e57f4e9b13d989fe43e2f229d7d40d53

  • SHA512

    a061a2afd0ecd97de509f7c7c028966a4f5ccfeb003ee248f60a8150556e1cd105fd3ebccf12eab933015980e49f1dfb7a53405b4ceac4d941ca0088b9d3a74a

  • SSDEEP

    768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqo:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8G

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 4 IoCs
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 11 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 5 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 3 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 29 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\85023972b03169c4cc25cf033fe66145e57f4e9b13d989fe43e2f229d7d40d53.exe
    "C:\Users\Admin\AppData\Local\Temp\85023972b03169c4cc25cf033fe66145e57f4e9b13d989fe43e2f229d7d40d53.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\85023972b03169c4cc25cf033fe66145e57f4e9b13d989fe43e2f229d7d40d53.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1360
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI3IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzQ0ODc0NDc1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:5004
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\MicrosoftEdge_X64_133.0.3065.59.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\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:2148
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.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\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff78d476a68,0x7ff78d476a74,0x7ff78d476a80
        3⤵
        • Executes dropped EXE
        PID:5100
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.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:2904
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.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\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff78d476a68,0x7ff78d476a74,0x7ff78d476a80
          4⤵
          • Executes dropped EXE
          PID:4404
      • 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:3428
        • 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,0x200,0x230,0x7ff6ffe96a68,0x7ff6ffe96a74,0x7ff6ffe96a80
          4⤵
          • Executes dropped EXE
          PID:2920
      • 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:1468
        • 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,0x200,0x230,0x7ff6ffe96a68,0x7ff6ffe96a74,0x7ff6ffe96a80
          4⤵
          • Executes dropped EXE
          PID:976
      • 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:3548
        • 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,0x200,0x230,0x7ff6ffe96a68,0x7ff6ffe96a74,0x7ff6ffe96a80
          4⤵
          • Executes dropped EXE
          PID:2276
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
    1⤵
      PID:4892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{6F4BEFDA-81EE-4D12-9F95-F16601D31D1F}\EDGEMITMP_A0D7B.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

      ed0b0e6ac45df6e766d1381b1cc5d476

      SHA1

      d8dc7522d3df7618916322fc4a42d9900c596545

      SHA256

      6b8d49910d22e368e5a25e2e155593733eb1e6aa97b99f48bba8b0d338dbbd54

      SHA512

      b40990913d6389258f76cbf099d080f6b52be5f3a53041a8f779d3f5c8ae220ef5d89d59a606728c9746de0761ca54f4349c18c7a7c8cdccab7eaef8456f2c17

    • C:\Program Files\msedge_installer.log

      Filesize

      101KB

      MD5

      431e769e4b3dc18aac2358c4c10e0f84

      SHA1

      650df889940d49a166790d68920d3f7949a0d9af

      SHA256

      c19b10472581a91a62319fdd1ba6e97ffb10bb30260074778fa8d2ab06455712

      SHA512

      03dbfa7e0a393dd25400e7ee8755cc9f8f0f81f2ef709181b3c31a82717f968e167053f74aa05be19156f05fd6a1994b5b7d4db073e7d34a5473d52c8a2cc413

    • C:\Program Files\msedge_installer.log

      Filesize

      103KB

      MD5

      7d4b2a925de20bdfc24f7b07df2151c2

      SHA1

      a197f852742788998688a46219bdadf3dd5bd362

      SHA256

      e246aafb0375686da4f19f1237cd91d90760df4349a9d05f7af1c281297f2545

      SHA512

      fe4f13a993d0752958c20264eb6e9136f0fec643e24bdc09980e6a74374255302779961dc7f36adfd6dc57f8e186c48382c563d62bf0f0431624bdfb5200caa8

    • C:\Program Files\msedge_installer.log

      Filesize

      104KB

      MD5

      c4975109c055925b21e87acb5145504d

      SHA1

      45b81c9bda02a48baf4d1cbb686acf2419d5a797

      SHA256

      406afdb9e6acea39973cc88878fe6f5b9b778debc7c41857273562a2517f37c1

      SHA512

      b0e5b10e4dce5d919f77b7553de3448a8b750dc3ec9e83dc89892885c48040ad509b3020b18e379b018ed3ef303b638e85c7940deffb6c863b602664367f9d47

    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

      Filesize

      43KB

      MD5

      f330479cdeaf95b0db9fbd68f21d0cae

      SHA1

      652c5ac083276af849c50f9b8c4368b1391387f4

      SHA256

      b9c287840e06fd225c27c27c05176eb192525cba026c866c7a2030d9c6fbd71b

      SHA512

      127d5ae13859bddac8314f1366ad8b790e6c80d7b04addcf0a5daa15446b72807f6e777724317b9f2a6a322eeae0d121dc8f11897a125ebd38c3ffe432714b77

    • memory/952-6-0x0000000000380000-0x000000000039F000-memory.dmp

      Filesize

      124KB

    • memory/952-14-0x0000000000380000-0x000000000039F000-memory.dmp

      Filesize

      124KB

    • memory/952-0-0x0000000000380000-0x000000000039F000-memory.dmp

      Filesize

      124KB

    • memory/3956-20-0x0000000000960000-0x000000000097F000-memory.dmp

      Filesize

      124KB

    • memory/3956-8-0x0000000000960000-0x000000000097F000-memory.dmp

      Filesize

      124KB

    • memory/3956-5-0x0000000000960000-0x000000000097F000-memory.dmp

      Filesize

      124KB