Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2023 08:00

General

  • Target

    MEMZ 3.0/MEMZ.bat

  • Size

    12KB

  • MD5

    13a43c26bb98449fd82d2a552877013a

  • SHA1

    71eb7dc393ac1f204488e11f5c1eef56f1e746af

  • SHA256

    5f52365accb76d679b2b3946870439a62eb8936b9a0595f0fb0198138106b513

  • SHA512

    602518b238d80010fa88c2c88699f70645513963ef4f148a0345675738cf9b0c23b9aeb899d9f7830cc1e5c7e9c7147b2dc4a9222770b4a052ee0c879062cd5a

  • SSDEEP

    384:nnLhRNiqt0kCH2LR0GPXxGiZgCz+KG/yKhLdW79HOli+lz3:nLhRN9t0SR4iZtzlREBWhuF

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies Internet Explorer settings 1 TTPs 38 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\MEMZ.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\system32\cscript.exe
      cscript x.js
      2⤵
        PID:872
      • C:\Users\Admin\AppData\Roaming\MEMZ.exe
        "C:\Users\Admin\AppData\Roaming\MEMZ.exe"
        2⤵
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Users\Admin\AppData\Roaming\MEMZ.exe
          "C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1704
        • C:\Users\Admin\AppData\Roaming\MEMZ.exe
          "C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1860
        • C:\Users\Admin\AppData\Roaming\MEMZ.exe
          "C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1740
        • C:\Users\Admin\AppData\Roaming\MEMZ.exe
          "C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:892
        • C:\Users\Admin\AppData\Roaming\MEMZ.exe
          "C:\Users\Admin\AppData\Roaming\MEMZ.exe" /watchdog
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1904
        • C:\Users\Admin\AppData\Roaming\MEMZ.exe
          "C:\Users\Admin\AppData\Roaming\MEMZ.exe" /main
          3⤵
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of WriteProcessMemory
          PID:1632
          • C:\Windows\SysWOW64\notepad.exe
            "C:\Windows\System32\notepad.exe" \note.txt
            4⤵
              PID:1536
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" https://google.co.ck/search?q=how+to+get+money
              4⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:980
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:980 CREDAT:275457 /prefetch:2
                5⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2024
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x2f4
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2020

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        Filesize

        61KB

        MD5

        e71c8443ae0bc2e282c73faead0a6dd3

        SHA1

        0c110c1b01e68edfacaeae64781a37b1995fa94b

        SHA256

        95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

        SHA512

        b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

        Filesize

        342B

        MD5

        f0bbdae77e40ca6d1a4fa8870060b957

        SHA1

        2d3668b17b891a928b73be52928faba0aade0a8d

        SHA256

        61466e7a6eec2321d3825aabd16fdb44efd8a474194e63496e1e1e3f85776ce3

        SHA512

        b2f81ebe1e79f900a5af4e2ace561ab7579b10786308dcb6c2719dcbed7badafc2d1fc788a977b54498eeb5dd3869f88a8cf1cf8a3716251a712fecc5afca7cb

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

        Filesize

        342B

        MD5

        cb1f15dcdc68ec0c5abe3f618ec2f627

        SHA1

        17d8195e87d525555f683d8b2593ab29718b8f6d

        SHA256

        7bd86b9244771c704c4ee892710c8233005f6315a305b4315a3eb4c80a46c37a

        SHA512

        ce79e4ab2486ac74a46d2a3fd9a195c6b88b68ced4ff6d58e769bb9dd710d498af8f9c05257e368478bab3a31e276c0dffedccb4cc73bea2648531127112ad6f

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

        Filesize

        342B

        MD5

        8d74c00ec6a8228f157d63bae2de211f

        SHA1

        165c980d5111e5d2e12d6ddcf187ef1defb05734

        SHA256

        7d3da761c4e3ff881cf63bf6fe61b353720d5d5aad17999c8a4182596ea48ebe

        SHA512

        8928eda2ef4a683ebda43c44530c73813f1b15ccb02fa2e9bef325ec98db41a01dd12d2c23085798fc468d666b7ac5ddf0c089c432fef33d6d2f89075aa9a95d

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

        Filesize

        342B

        MD5

        4bc3a92d376d8a43c4196cb59beb3d17

        SHA1

        a4b0316a167bbf6beb4f4a68520aafd0ab409c08

        SHA256

        663a94849f682e2a7c06d4811391fde5cb25b9cb4bf55e60554f43dff588bb0f

        SHA512

        75f1a2476a6720f1ce7364491413755c046858824466df1946f3b21c2576e49e5b381da30026c124d5446ca931f4731de05c9a2d7f662d31389f1b2b0f2bf5da

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

        Filesize

        342B

        MD5

        15cb10cd2e4b4a8fc81dc15c8bc33abb

        SHA1

        529ba5a666ca21507ef0e5ded050834130e6287b

        SHA256

        6ab97da143c95354d6e60cfe35520977752b03e3e08a70617be999709b446a9c

        SHA512

        a4ca0c6136256a03a74651dd3283b6eb0342a5860de0451a8352ea32cefaec76e96331517acfe07772e4f1565dbd6f039e489a0452081f654692f309ce5d1af5

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

        Filesize

        342B

        MD5

        4e8f91fbb74d3d192153b84614d34a0a

        SHA1

        2c4a0c2688bb9cfb3f39a1448007a906fa9a0052

        SHA256

        0b1e43501fa2466e3e89bce53c45d0d0d5997297bab95aba74ce690a0fbe9cbd

        SHA512

        21ccbf30db807e088a822e06c768d5517f5f0dd2d4b196bd7a4310abf2fcdf67c5b2e7f089c1ae57f661f00e5a44e0961ba8978c491efc947cfdb44610892dec

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

        Filesize

        342B

        MD5

        dff860bc6aa601ce0a6cf85e666ace47

        SHA1

        c38bea38b7bf1131a658cdc2baf728b2e86a9433

        SHA256

        7dd105dc0b77733f73b7bf5d8c4289318fdb67b1b856b3e1d8f34c6b5a806f0b

        SHA512

        b79d09ca9dd2831cb478a56ce52d6ed031d15d3adf6e640e43c91ef48b498dff53f9b862ef635c4e75e367f0534cd647bf3c4e72760e4f51801d58bdc0f130d4

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

        Filesize

        342B

        MD5

        ca8a0ef95e97bfa70d4a0d7d78b80d51

        SHA1

        f7a335b296198b824ede9502c631810fc2ee31f3

        SHA256

        69da93185b35ef5f0ae3a25e8cd6d069bf58cc9e9fec6345e15082fbb6b5b85b

        SHA512

        e6832b3d2d33e4d85d0b1ff8870930dc50ea79672e11ad65daf2fbe2d7c924a104438c628d2a7550dc3e287e87513487be5f091ee819be034332dd6619d49795

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

        Filesize

        342B

        MD5

        101025c79c951ee9698ecf26ac13aeca

        SHA1

        bb2116d0801fa46fd5365b14680251425dda4290

        SHA256

        aebede5d849ed3f9f32114b83b91ec8d576a21370264c93b3b83bec89527f67e

        SHA512

        8ca990498b8762d38c93b9c1b4bd145db6832dc630e691e0e0b772f06bd9ef4a3ba4aa655b0df35155f2dd4d925f6d6623527234911eb3741a0da16344d36bdf

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z62wpf5\imagestore.dat

        Filesize

        9KB

        MD5

        d6ea8bb9642b2c1fee134c26119f27f9

        SHA1

        f0ec2d9eaf8ecbd3f0072e60efc94247fc1a0fb0

        SHA256

        48c1b4d21108195f241cf7dc56062942ee5e479c7a5c0e99f32b77931bbd60b5

        SHA512

        1cd7bdd6ddc48d899f1b2f8bb48f7804d0256e0e73285710265d3fdd5071ad49e73441b0464ae79f01fa45901df680bbe787d3136c031c6b8e0ea7a027763337

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\03S7L47X\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CMIDRLTB\favicon[2].ico

        Filesize

        5KB

        MD5

        f3418a443e7d841097c714d69ec4bcb8

        SHA1

        49263695f6b0cdd72f45cf1b775e660fdc36c606

        SHA256

        6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

        SHA512

        82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

      • C:\Users\Admin\AppData\Local\Temp\CabDF99.tmp

        Filesize

        61KB

        MD5

        fc4666cbca561e864e7fdf883a9e6661

        SHA1

        2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

        SHA256

        10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

        SHA512

        c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

      • C:\Users\Admin\AppData\Local\Temp\MEMZ 3.0\x

        Filesize

        4KB

        MD5

        b6873c6cbfc8482c7f0e2dcb77fb7f12

        SHA1

        844b14037e1f90973a04593785dc88dfca517673

        SHA256

        0a0cad82d9284ccc3c07de323b76ee2d1c0b328bd2ce59073ed5ac4eb7609bd1

        SHA512

        f3aa3d46d970db574113f40f489ff8a5f041606e79c4ab02301b283c66ff05732be4c5edc1cf4a851da9fbaaa2f296b97fc1135210966a0e2dfc3763398dfcaf

      • C:\Users\Admin\AppData\Local\Temp\TarDF9A.tmp

        Filesize

        161KB

        MD5

        73b4b714b42fc9a6aaefd0ae59adb009

        SHA1

        efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

        SHA256

        c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

        SHA512

        73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

      • C:\Users\Admin\AppData\Local\Temp\TarE25E.tmp

        Filesize

        161KB

        MD5

        be2bec6e8c5653136d3e72fe53c98aa3

        SHA1

        a8182d6db17c14671c3d5766c72e58d87c0810de

        SHA256

        1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

        SHA512

        0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\F4AJMMRE.txt

        Filesize

        596B

        MD5

        f1a6264d238fbfc8d49ebf70199021f9

        SHA1

        3796daccaf3071d5cf848c55c3e4a4349eab40cd

        SHA256

        6f5cd992d903fdd48b9aaf59db4347f9b847c199afe0041765856f4946a99757

        SHA512

        22978e12ad49f092ced29808324df0248703e87bec77900125a1d9f460c91e3926dedab6f9f611f90d7e02285d97db2e14ee92f30eec1ddfb0f4b82b1b980772

      • C:\note.txt

        Filesize

        218B

        MD5

        afa6955439b8d516721231029fb9ca1b

        SHA1

        087a043cc123c0c0df2ffadcf8e71e3ac86bbae9

        SHA256

        8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270

        SHA512

        5da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf