Resubmissions

17-05-2024 14:06

240517-reh7esbc83 10

17-05-2024 14:05

240517-rdxnesbb2x 10

17-05-2024 14:04

240517-rdkc4aba91 10

17-05-2024 14:00

240517-raznlsbc33 10

09-01-2022 14:18

220109-rl99gsdee2 10

Analysis

  • max time kernel
    18s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    17-05-2024 14:00

General

  • Target

    00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.exe

  • Size

    66KB

  • MD5

    2c26b319e378755596f0ac6d293798c8

  • SHA1

    280a4cfcf5dd87898c3731b680efe061bdb7a9fe

  • SHA256

    00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99

  • SHA512

    0c2b53a3fed1dbbae64e7f1e7c17a89b5dc607ba40caecd5496e18ffd84cdad844e926742d9fc82a715d6e8b01a1c483d97d54f5be1f2d6997107946f2a3fe4b

  • SSDEEP

    768:BS5zkUtPX/y4Jp5LmcmItHnlIH9q9Q/048RgauHADO2A:DaXq4xTlIdYrhRcH2A

Score
10/10

Malware Config

Signatures

  • MountLocker Ransomware

    Ransomware family first seen in late 2020, which threatens to leak files if ransom is not paid.

  • Deletes itself 1 IoCs
  • Drops desktop.ini file(s) 32 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.exe
    "C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\\0F762887.bat" "C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.exe""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\system32\attrib.exe
        attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\00ed4c347cd62526226363a0aceb851b2ef7e3a4da78433a28f2cd6cbd5f1b99.exe"
        3⤵
        • Views/modifies file attributes
        PID:844
  • C:\Windows\explorer.exe
    "explorer.exe" RecoveryManual.html
    1⤵
      PID:1860
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\RecoveryManual.html
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2256
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2256 CREDAT:275457 /prefetch:2
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:480

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\RecoveryManual.html

      Filesize

      2KB

      MD5

      33d714fc4caf5e494e89bd8aff8b1a7b

      SHA1

      bfbdce3f9fb0b1c3916df4b60bb60316b0ff806d

      SHA256

      91ed41131103b4c1801eeb9245bb38c440dd8fe615145810da01b3c2941a7ee9

      SHA512

      48ddf711c5c0fbf9a258f80e29ea8e51d4df3db013d6019069d041d5ef2115c12ef89b559c7c5181b4101f35cc16e46ec639dd76020b0d3ff33161260f252996

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

      Filesize

      914B

      MD5

      e4a68ac854ac5242460afd72481b2a44

      SHA1

      df3c24f9bfd666761b268073fe06d1cc8d4f82a4

      SHA256

      cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

      SHA512

      5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

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

      Filesize

      68KB

      MD5

      29f65ba8e88c063813cc50a4ea544e93

      SHA1

      05a7040d5c127e68c25d81cc51271ffb8bef3568

      SHA256

      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

      SHA512

      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

      Filesize

      1KB

      MD5

      a266bb7dcc38a562631361bbf61dd11b

      SHA1

      3b1efd3a66ea28b16697394703a72ca340a05bd5

      SHA256

      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

      SHA512

      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

      Filesize

      252B

      MD5

      0cf058d49f642e7eff622dd4b38a0d9d

      SHA1

      c8633b28fa515a44c66d5823a8f142a7dc3a408f

      SHA256

      df9c5aa63568b4e0cebf96606dd819caafa6b1f9e9955d2fb6063e71879c6189

      SHA512

      ee64c19b8c3a5ec675227a007da4675d20a41b325075648cf16ad70f4b18a651ae74eecc25554c6196e3a6eca894a312e3c166ee1fea193f5907cf326959af81

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

      Filesize

      344B

      MD5

      25d64108d6d118022a5a66ad182b041a

      SHA1

      2c9bb78b460dba8b37cb50e4f256fc4b03bde295

      SHA256

      8fe17841d9fd01784a19fc680ef4e0f522ffc9424cfbbba8a50399b5333e6057

      SHA512

      7633aec6bea714219c00a6015a5425b5e15f2f1058b2ea90f60bb48172cda9b7e595524cd544727e135725e0c9e2afdd2e4f8d8193e6443742f2361e12eeb8a1

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

      Filesize

      344B

      MD5

      fb2f8fef12cb79ac34e0472ca03fc457

      SHA1

      c753e6ba7ce6c97b83787ec18c6f06b96a95c690

      SHA256

      51fecef5b41ade4cd1b85fdfcff1fc9eb60d862ae52845bb10b756058aef8511

      SHA512

      065448fece8d29f2849769aa4ff4b0ee0b84f63955465c224d2394d0b8e80bb69445d17bf75b03582624ac4c8a790044d3dae3c38fd44b5f4d7b5abdc597becc

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

      Filesize

      344B

      MD5

      afbd66c4125976de054264eb48f75357

      SHA1

      1c0f86a515f1df0d818c69f77d1fa6b17afcd636

      SHA256

      f54a4fde1d04abfafd0168a81aff63b05fd3ed624c00897864ac1366b479b4f2

      SHA512

      61e09ddcae33975694f79cbb34c1beb8cd5d433da476cc600417f83f8fbab2cf221f416dda38b1e3318a111622c1811a35d15fe5052a8b2e1b217c054bccf2a5

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

      Filesize

      344B

      MD5

      5d1355f3e8fdc9317be41e6d0c11ed3a

      SHA1

      328d17f81135eb54d3718f00aeb6ae4c73d93116

      SHA256

      c483be39b97c13225090b51f233eed1b1cb898ca9f148b8cd5bd00e8732b5b5b

      SHA512

      0617d8de13c168ccc8bdd15140960fe88fee0cf3c87e4a637bbab146faaed0a41289ff3c1f2410354a925dbf73457f0fcedf0c776dda3387eb32ec2962527e65

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

      Filesize

      344B

      MD5

      60774104b605ce548635daafad657710

      SHA1

      749d2b9274e38fdb4efdb171e6125b79edb21467

      SHA256

      e3485c035e6ea42d7d7fcf8036525293a1a9f56f7612ea6960afbc2c08321b28

      SHA512

      a905d97a33a5b2f82d1c96fc48449fb447db6f2362c27188d777c0592f7eb06c2f143c70567686946f1aeb9118541b062e1ee9ece3b726acf7e829194e6bb455

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

      Filesize

      344B

      MD5

      5543125a31faf16ae7e769a50cdb97eb

      SHA1

      ac38799b302364124005bf55f8899f363442bc0f

      SHA256

      731a79d04741e294c98bb83e46c56887b1407dab968d028a686f2daaff11cd79

      SHA512

      5efc75232d0853c7c90de008b522033be8389565ddab927905ee379b4301d7dd484fabf7afe3ae9560b24f6db2e5bf962947b289d14340a268929f43ab22600a

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

      Filesize

      344B

      MD5

      048ddc1764dc264a563406198d74538d

      SHA1

      fa82c2d3398ddb0e4c464ceab495fdd6e07bffa3

      SHA256

      bf3ff869b4173380e401f473ff0dadd02101cd6eee79acff30db45361784e862

      SHA512

      9e986907329fa156c92444a5204cb51c9a9aea5c682b47ba809b70950e79bfe090e3d3e5f6618d007d17d35658d2c5f2ba199851e92051bd2fbdd05af09a4791

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

      Filesize

      344B

      MD5

      ed8765ca3edc1dbac4e09129234eef31

      SHA1

      40753ca4b70999268973e8cf3796747c57bb5379

      SHA256

      f92bd86de7e61cdf5a9faa309176be71663106dc4d07441cd2a7781b716922f6

      SHA512

      72c7f61e58fec65e98b952119bdcfebb708f3114920d648d19d4643f523e78e7afa2062be1f4604e19b530a8bf9ce1d26a3fb072909d3e228e61a4edc08d9516

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

      Filesize

      344B

      MD5

      a8bb82a66c740f00f4c58ef4f734cd7a

      SHA1

      be2988f611898e67b4671100ae626704fd58786e

      SHA256

      a8070623ad04c4305140a5521ddcc6b8174dfaeb02b97c834246bccc56f59b24

      SHA512

      e466febfd6a5bdfc1c14fe0b478024ff63ef31ae4c6526a6d4af5feb6d19b177d316229b85d0ee258bd0ce44d148f85c4f3cb579d39f0535ccea96f2336382b6

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

      Filesize

      242B

      MD5

      605463b823374a17843fe58117eb0448

      SHA1

      0644af14a1733eae4c13410b9c72dce73e617e76

      SHA256

      1f8488ea33c6bb25f47e4a4ac48c0ae8a9607449e1e9162b453268c32e63322f

      SHA512

      f02451dec6d2260fa2b20bf5f06c4279b1b0401eaf58ffa894a8c045878ffede348bff628741f2fe75a722aaf3df7d425707715bf73c1e5daeeff8b39d2165ba

    • C:\Users\Admin\AppData\Local\Temp\0F762887.bat

      Filesize

      65B

      MD5

      348cae913e496198548854f5ff2f6d1e

      SHA1

      a07655b9020205bd47084afd62a8bb22b48c0cdc

      SHA256

      c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

      SHA512

      799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

    • C:\Users\Admin\AppData\Local\Temp\Tar4F4E.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a