Analysis

  • max time kernel
    39s
  • max time network
    102s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28/04/2023, 09:09

General

  • Target

    Memory.vbs

  • Size

    2.9MB

  • MD5

    dc41ef27fd74ade70d62e7bfcbbe2de2

  • SHA1

    e8282edf1205c6cfccef3cdf41ea4303a45c5745

  • SHA256

    ad9a2790803eb17a4e3977c514c4ca98e520cb38f00f8103ee5f2cc1ed209b47

  • SHA512

    ae779c4b20616e92080ba02167b1105d73a001bbf612efadbe7b84be355918f6aa1d582e7ae45478d84d8349651db99efd36b4545a85334e5945382c90875d36

  • SSDEEP

    1536:khTJiTSxGdQkVHgnlUTCAmTzZQXEXtXX8XZXDKcZtDRRj7aqDfR/wyihW9Qk2vSj:C6uECAm0wyihW9Qk2vSk8BtaN8wRnX5W

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Memory.vbs"
    1⤵
    • Blocklisted process makes network request
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\System32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\WindowsServices\EHKOZ.cmd" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        PowerShell.exe -NoProfile -ExecutionPolicy Bypass -Command C:\Users\Admin\AppData\Roaming\WindowsServices\FWVCX.ps1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1256

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          Filesize

          62KB

          MD5

          3ac860860707baaf32469fa7cc7c0192

          SHA1

          c33c2acdaba0e6fa41fd2f00f186804722477639

          SHA256

          d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

          SHA512

          d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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

          Filesize

          304B

          MD5

          08d154e2a43f73b17ca528a7e3fd443a

          SHA1

          9d75934f690584296e2021c367473143f49297b7

          SHA256

          165f2ca2cbcea5e83b0b8fdd1607adfda714b6070bbac487eae1eaf9ef7ec320

          SHA512

          e98284bdcd2c63882b5f84da1a81eb64eda2f54a964caea669b2e56fb7e296e16fa110e092061bc481b928b9e5dd32ade0b9011c5a96a4e422298bc938c8517c

        • C:\Users\Admin\AppData\Local\Temp\Cab25CC.tmp

          Filesize

          61KB

          MD5

          fc4666cbca561e864e7fdf883a9e6661

          SHA1

          2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

          SHA256

          10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

          SHA512

          c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

        • C:\Users\Admin\AppData\Local\Temp\Tar26EC.tmp

          Filesize

          164KB

          MD5

          4ff65ad929cd9a367680e0e5b1c08166

          SHA1

          c0af0d4396bd1f15c45f39d3b849ba444233b3a2

          SHA256

          c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

          SHA512

          f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\YTOSB.vbs

          Filesize

          276B

          MD5

          cf0d0c9a3f216b899b91781a093e829e

          SHA1

          606998c5c842f4d86e72819e92ef485a1f24bf2a

          SHA256

          a12cc767ab92fa1379c213ebc9a637bfbc0c316e654850789a19abc17eb65a75

          SHA512

          bd3af39529ea646026716b4d6ed343f98b989beeb0f025e90be54b55050b38744aa9c6a04b061394c3ef2abfce797b943e83ac5a8386888319c03e380f3839f5

        • C:\Users\Admin\AppData\Roaming\WindowsServices\EHKOZ.cmd

          Filesize

          75B

          MD5

          0c4f14db483f17cc1842aa6d7762fe00

          SHA1

          582e6d58bee7b124cd6b0b4d9514f73ce68d374c

          SHA256

          c3aa7a1a4b7ff07c05c5c630853c1b9ce4110481a4300a05536e501f198fb4f4

          SHA512

          d5136d78b29667cfd3a6e2c050ebf95509e7acf032a192bc7eca8510f7c3d4b1e98aea1bb34cbe2d2cd54da87ee57dd2b93c4da27bf3ea30b5b32f5fe20f2950

        • C:\Users\Admin\AppData\Roaming\WindowsServices\EHKOZ.cmd

          Filesize

          75B

          MD5

          0c4f14db483f17cc1842aa6d7762fe00

          SHA1

          582e6d58bee7b124cd6b0b4d9514f73ce68d374c

          SHA256

          c3aa7a1a4b7ff07c05c5c630853c1b9ce4110481a4300a05536e501f198fb4f4

          SHA512

          d5136d78b29667cfd3a6e2c050ebf95509e7acf032a192bc7eca8510f7c3d4b1e98aea1bb34cbe2d2cd54da87ee57dd2b93c4da27bf3ea30b5b32f5fe20f2950

        • C:\Users\Admin\AppData\Roaming\WindowsServices\FWVCX.ps1

          Filesize

          205KB

          MD5

          5136fb951b17f99d700ee1816764f255

          SHA1

          1ffa5721e100a286752da77bd203ac9d76573eec

          SHA256

          4c300f1601a8baa0a9bedf7048f960425ad7e1fe899b0ebded0f5628acdd0743

          SHA512

          29cacc82c91c194a8ca3df15aad8983d57c4bf563b9aec5b74cca0c99c8b42b49ff8ff182c42313ad7aee8d2fe3c2a6819dbcb0bef43eaaa01af53519b986566

        • memory/1256-171-0x000000001B280000-0x000000001B562000-memory.dmp

          Filesize

          2.9MB

        • memory/1256-172-0x0000000002420000-0x0000000002428000-memory.dmp

          Filesize

          32KB

        • memory/1256-174-0x00000000028A4000-0x00000000028A7000-memory.dmp

          Filesize

          12KB

        • memory/1256-175-0x00000000028AB000-0x00000000028E2000-memory.dmp

          Filesize

          220KB