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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 19:56

General

  • Target

    89ee1a81ae7fa351c0a459c97d5e8680N.exe

  • Size

    3.6MB

  • MD5

    89ee1a81ae7fa351c0a459c97d5e8680

  • SHA1

    b33657444c36d3bd09d01758c92ffe4104756114

  • SHA256

    76e24c3e4eea9c6c2ae3574f00318d6e90bfed25e9c0b0e536ddd76fd4ca6deb

  • SHA512

    97028e2fd81dac5a798d42276f39b5f3d67abedcd198e10033ec270ac980a7f19c1b4814e284532cd054560bdde90ab5f74a8d0992def771a467591c9435d75d

  • SSDEEP

    98304:ddByXcdnlLwOrI5Vfeg91hZOhkRpsinjP:ddien+OrFuBR6cP

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 28 IoCs
  • Drops file in Windows directory 4 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89ee1a81ae7fa351c0a459c97d5e8680N.exe
    "C:\Users\Admin\AppData\Local\Temp\89ee1a81ae7fa351c0a459c97d5e8680N.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:812
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4860
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1900
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4560
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:800
  • 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=3828,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4436 /prefetch:8
    1⤵
      PID:4760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\Themes\explorer.exe

      Filesize

      3.6MB

      MD5

      f5b4058dcc803e4e6fba4dc410889f6c

      SHA1

      3cb95913483139627a60e0beb7d643630cdf9fb2

      SHA256

      379ac1b4ca0e6a92faaf796a7cbdc51afe043b757565e70dfffeffed33a5b200

      SHA512

      37563070b4d1c0baa7185edf867ab4775e9d5008f305e7a86617f749ac314f18f11ac4e451112663bd2ca5f259a6062c7895a2cac8b607c0f4b1d459bd4ac85f

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      3.6MB

      MD5

      e22f576d434787315a4e1cdb6dd9eafd

      SHA1

      cc5ea6dd55dfb90e02eef21c5001149a22e267d2

      SHA256

      59707b6575600cba00b2e480c81ad531e82a2c8b749ff2b531cd341fa4189b81

      SHA512

      fa2b0839e48f4dd6da9f36aefb4335edded16236523ac8b7f2a91ab07aadc08feebbc21275172a63393147e928f87d37e8dd308730a2edf4699041e53010e1a2

    • C:\Windows\Resources\svchost.exe

      Filesize

      3.6MB

      MD5

      2d44a95d566fc6276079133acb5c772b

      SHA1

      0449cb7b8aaa8f99dedcbfee6411658a29a224e6

      SHA256

      90d424e9e0ab2afd6dcc4ca8c597fa54e07867e792f51770584bf1cbb08a5145

      SHA512

      12410242dab5fcc569c36e3e3ab12da8aa76eaa489757e74020083516d4e10dce3947da56d100f48e1eec99d5ebf42b67002db1cfe2cda88bfa2c16687583a03

    • memory/800-36-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/812-0-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/812-1-0x0000000077B82000-0x0000000077B83000-memory.dmp

      Filesize

      4KB

    • memory/812-2-0x0000000077B83000-0x0000000077B84000-memory.dmp

      Filesize

      4KB

    • memory/812-40-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/1900-19-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/1900-38-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-56-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-60-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-43-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-44-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-64-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-46-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-62-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-48-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-58-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-50-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4560-52-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-51-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-53-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-55-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-41-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-49-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-42-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-59-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-47-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-61-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-63-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/4860-45-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB