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Analysis

  • max time kernel
    124s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 10:32

General

  • Target

    $PLUGINSDIR/g/PF-Toolbar-2016.exe

  • Size

    820KB

  • MD5

    0f32452f14ff2cd57bea1b35efd6c839

  • SHA1

    3b20f2f4a54b21f3fb0c9fb04d0544348e61a460

  • SHA256

    fa53ce9ae4c2345f25f5ac61748623451004aa555a72d61162fbb266887d8b2d

  • SHA512

    80a75aae72c366c0ccf2c89aec8ff120fcdc0def2ecaeb16373f1c930eb4c0fd311653da3230bc056e4acfe116f35db668a17f647a7252877e2fb6525e48157a

  • SSDEEP

    12288:6mt6FaNUTjCumbaKQ9j2aBjo8koh41SN8SDajcXLWdfh9EoqPfY8N0bx:pt68Ej7nIgs8v4AN96dS3Yk0F

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\g\PF-Toolbar-2016.exe
    "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\g\PF-Toolbar-2016.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\GoogleUpdateSetup_1.3.21.169.exe
      C:\Users\Admin\AppData\Local\Temp\GoogleUpdateSetup_1.3.21.169.exe /silent /install "appguid={F69EABDD-A4BB-4555-BE7E-1EA5F59BBA24}&appname=Google%20Toolbar&needsadmin=True&brand=PRFJ&usagestats=0" /appargs "appguid={F69EABDD-A4BB-4555-BE7E-1EA5F59BBA24}&installerdata=d%3Dask%26h%3Dask2"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Program Files (x86)\GUME4B3.tmp\GoogleUpdate.exe
        "C:\Program Files (x86)\GUME4B3.tmp\GoogleUpdate.exe" /silent /install "appguid={F69EABDD-A4BB-4555-BE7E-1EA5F59BBA24}&appname=Google%20Toolbar&needsadmin=True&brand=PRFJ&usagestats=0" /appargs "appguid={F69EABDD-A4BB-4555-BE7E-1EA5F59BBA24}&installerdata=d%3Dask%26h%3Dask2"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4208
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4084,i,7977653611488681184,6839495125838449898,262144 --variations-seed-version --mojo-platform-channel-handle=1292 /prefetch:8
    1⤵
      PID:816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\GUME4B3.tmp\GoogleUpdate.exe

      Filesize

      113KB

      MD5

      506708142bc63daba64f2d3ad1dcd5bf

      SHA1

      d30e8c7543adbc801d675068530b57d75cabb13f

      SHA256

      9c36a08d9e7932ff4da7b5f24e6b42c92f28685b8abe964c870e8d7670fd531a

      SHA512

      a6e16f0de64b1500fbb2c7974a5efd40e8768b6c133f8ef367725a5c82b3b38c300dd65fa159b4a5f15413b0843a1e37416550ec89749ec1cf5cfae73dcc01ab

    • C:\Program Files (x86)\GUME4B3.tmp\goopdate.dll

      Filesize

      849KB

      MD5

      44a7beb360488d6595de0ec0c6e8248b

      SHA1

      ff424defecead2e1ceb7762a78366cb7c424b9b2

      SHA256

      934bced969e0f50ed647289e8469308a54d8dc5a6ab5c81c66f5899798564d76

      SHA512

      f06a153d03444151983ac5932dde05a6f9de2093001ee3588f4abeba1b0564c407c163b705a8f24c2501e26b4860eb92f17f2de0a7b0893f6b6f9b00950f4105

    • C:\Program Files (x86)\GUME4B3.tmp\goopdateres_en.dll

      Filesize

      840KB

      MD5

      8f324a0dac8e8d61faff2cde53eb4af0

      SHA1

      d0573eae2aa53b3fc0e584126b457a618002feb7

      SHA256

      f8f90894b9f942d4453dc3c532784f9ee301611726f7ca08bd71fa6f339267ca

      SHA512

      1ccfb6211b6936b2f51a5a5d3a25eccc31466a64a316aba00faead3b77e59083a5ab190bc6fd77e14c57c4ceedfd5a1bb2d3816fe9af7ac9a336ab46f57f8f91

    • C:\Users\Admin\AppData\Local\Temp\GoogleUpdateSetup_1.3.21.169.exe

      Filesize

      799KB

      MD5

      7abad5635830cb8af3ea5b88e76f728d

      SHA1

      7809cb7c62fb6c95e7dd244bc480f3f93e695a25

      SHA256

      27785c7b3825d73149794527a8be2dbdedd737ad3d47ecc6eb30be7546c1bdff

      SHA512

      09c3e2b4726974db4ffd46c58f7177a52fcea2c85a8a22196555cfeefda7c6f4cb453de196f919a1e2ca2441379a36a9b40bb3d70d64c4148c31b58d0ce50be3

    • C:\Users\Admin\AppData\Local\Temp\nshE456.tmp\System.dll

      Filesize

      11KB

      MD5

      301a9c8739ed3ed955a1bdc472d26f32

      SHA1

      a830ab9ae6e8d046b7ab2611bea7a0a681f29a43

      SHA256

      6ec9fde89f067b1807325b05089c3ae4822ce7640d78e6f32dbe52f582de1d92

      SHA512

      41d88489ecb5ec64191493a1ed2ed7095678955d9fa72cccea2ae76dd794e62e7b5bd3aa2c313fb4bdf41c2f89f29e4cafe43d564ecad80fce1bf0a240b1e094