Analysis

  • max time kernel
    34s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/02/2024, 06:51

General

  • Target

    8e7ee229b5008ebc63f43ac39c0b26ef.exe

  • Size

    940KB

  • MD5

    8e7ee229b5008ebc63f43ac39c0b26ef

  • SHA1

    ef8b322ca50b0686f6918ca50056e9b6838cf489

  • SHA256

    cffcc01ae454146c7d94f8fd8232763a91886fe4617b847b0cc02cbe77cc50db

  • SHA512

    179e423d82fe822666d585a841b2c5afacc74161f43b19a24c278f11837c2d2ca40458549e00d3f7e40a9c377ab154efaa142bd9a53641797d821b61e0f4195e

  • SSDEEP

    24576:cwPPIDHfouPjxEJ9vnezk/44QuwlmpMz6o1YLsqi6BKx42lhCvGG1LYmHAasugGs:cId44QuwlmpMz6o1YLsqi6BKx42lhCvq

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e7ee229b5008ebc63f43ac39c0b26ef.exe
    "C:\Users\Admin\AppData\Local\Temp\8e7ee229b5008ebc63f43ac39c0b26ef.exe"
    1⤵
    • Drops startup file
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ywfmtm.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2920
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram program="C:\Users\Admin\AppData\Local\Temp\8e7ee229b5008ebc63f43ac39c0b26ef.exe" profile=All
        3⤵
        • Modifies Windows Firewall
        PID:2812
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\lwpsjghqre.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\netsh.exe
        netsh.exe firewall add allowedprogram PROGRAM="C:\Users\Admin\AppData\Local\Temp\8e7ee229b5008ebc63f43ac39c0b26ef.exe" NAME="Session Win32" MODE=ENABLE PROFILE=ALL
        3⤵
        • Modifies Windows Firewall
        PID:2808
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\umitn.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\SysWOW64\subst.exe
        subst.exe v: "C:\Program Files (x86)"
        3⤵
          PID:1820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      3e01ba440777f00f3b8fa7bea97eca57

      SHA1

      1793c48996fd0a433fad8292d94a6698aaed28b1

      SHA256

      1a58f8f77d4fa7a257e4e8869e6875e72dd297271f21f84826f1305a045a0914

      SHA512

      ed24c80e38af47ff3d1cd149c12dc83ae1c36ff9d9802475caf65ac269dfe86abd48782bb0fd26f4cdc4635e42eef2e500a2c0208a48708e602409e4d23acdb5

    • C:\Users\Admin\AppData\Local\Temp\Cab822D.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar828D.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • C:\Users\Admin\AppData\Local\Temp\lwpsjghqre.bat

      Filesize

      221B

      MD5

      657947707801a5e0f1968cc39bfa85f8

      SHA1

      ac465741e4c4c43c56fc2af262349c3341c78b25

      SHA256

      e4b580ab3bf12d358ca608771f4c327962c199062ead661a3ec8784f1c1e9a8f

      SHA512

      9e5842d84ba62d8311fb92ab0cd17a5fd4adc774168454aa4f4c1b5c23d02964cfaddf75e25d5af3aa755268037bc28b8abe10c1c9ad1101ef7549e5e5621595

    • C:\Users\Admin\AppData\Local\Temp\umitn.bat

      Filesize

      90B

      MD5

      d1a2f1ee620013491757207d59d989fe

      SHA1

      63bbf5c386f9d5a0cee8ae5bdafbbf5c24976db4

      SHA256

      0e8d800f2b3a0ba6eedc779e843f133895c8e65642a28102b55bd47330b3457e

      SHA512

      bbf4484f198c9996e98cfe1e1570ba65f053ad62fc8e356bb6956ff8d84841bdf2f08be90a17101b94a508a8acc910bf0347ca5ebf3c38d5a5fc898cd4e71cb7

    • C:\Users\Admin\AppData\Local\Temp\ywfmtm.bat

      Filesize

      183B

      MD5

      47e3a00172e399781301121b57716f6d

      SHA1

      31a243fd05f4dedf62b2d957199e0ccaccfed61b

      SHA256

      2ce47583ec6d26921e43ede0e94f11bf70d54c0e2d894fe894e9d0392603e526

      SHA512

      ee1527d437796c02ea7a9685c9e74aa4d85eed06265dbce0a0c270310c4fb90c5b7ce648b2ec690564b316780ceaca1e3689cfcbebcec16e3d000750f35736bf