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Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 07:42

General

  • Target

    be0cb62c92976c4a52d5488d84dfb587.exe

  • Size

    24KB

  • MD5

    be0cb62c92976c4a52d5488d84dfb587

  • SHA1

    35ef11376755a5d13cd92c0e727f4c0f9757ba10

  • SHA256

    96e801e324f838125d8bdbd11d693e2236934f872e1bd4ace794af39d75aefdf

  • SHA512

    7efd5923a21bb505e50ca677f0bc623f2f00657449d6ccbb0b84a02880206c6dd776d47e21bbdb24a0eeebc864a2d48d19f4d4e51dd2374c51e5dc7358bb2a8e

  • SSDEEP

    768:EGdO91aD5d7kCNTfashquZOa+tRn9E2i3NrkL6TZvUE4ougCC:G918p1hqcONavNrksF8opCC

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be0cb62c92976c4a52d5488d84dfb587.exe
    "C:\Users\Admin\AppData\Local\Temp\be0cb62c92976c4a52d5488d84dfb587.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s /c "C:\Program Files (x86)\Google\googletoolbar1.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1680
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3588
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4360
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4360 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4776
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=4248 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Google\googletoolbar1.dll

      Filesize

      19KB

      MD5

      6a19c1f91e748cb7838866120858cc33

      SHA1

      3133dd83fb04434271ad861385ac37747322d587

      SHA256

      acf1859a0a5f903d26e448334903a65138cfb3ccf228e31d36f8e4f92dc36b0a

      SHA512

      9db8ebc493dcb069c804a587dd1540f667c80f99612aad80df09e20ca3f556a119f0bdbf7aa87a36404411e23b0a94debf2e3f4001dedc53c690b99240298953

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/1680-4-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/3832-0-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB

    • memory/3832-5-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB

    • memory/3832-6-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB