Resubmissions

09-10-2024 12:00

241009-n6erjatfnk 10

09-10-2024 06:17

241009-g127baxekr 10

Analysis

  • max time kernel
    141s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 12:00

General

  • Target

    WannaCry.exe

  • Size

    224KB

  • MD5

    5c7fb0927db37372da25f270708103a2

  • SHA1

    120ed9279d85cbfa56e5b7779ffa7162074f7a29

  • SHA256

    be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

  • SHA512

    a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206

  • SSDEEP

    3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WannaCry.exe
    "C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 144801728475225.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3112
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1132
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:864
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im MSExchange*
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1112
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Microsoft.Exchange.*
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlserver.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3716
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlwriter.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4468
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe c
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:212
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe v
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4456
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2400
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1920
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe
      2⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3736
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3116

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.82.1_0\128.png.WCRY

    Filesize

    5KB

    MD5

    f7ad535c11a7eef1c1901c10a81a5ea4

    SHA1

    c0a28a3a677dcc7f9f39ddb0c655d224291299d0

    SHA256

    dbc1aad6ba5f2d49ebbd9956164d3bef0c832e7ad068060a811d1bfb5cbeebce

    SHA512

    b7045e3b955c986323e25047e579e7f45ea971eddf6cfef55667fd3af06e5aafc62bbcb79d719a4a9cbd5d5e111029916a851266bab8247c0826a3e1daa37e6f

  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Web Applications\Manifest Resources\kefjledonklijopmnomlcbpllchaibag\Icons\48.png.WCRY

    Filesize

    1KB

    MD5

    e85ae7eb92f1ad7be9c0021f8c9d3fbd

    SHA1

    a2abc20c54f5282ca52665951f75ca19ffa88d0c

    SHA256

    310425082a0175ff52cf3af13b731108a1871e21484ee1b310a0adeaad150220

    SHA512

    d6b2d181feda65aa5399696005df24fb9d6a25c3755711bea5084b4a88299473e3f783d41ef1d3eb5b153d339eeaf8b2680a74f8abf53fa3da05ab0ff55ea738

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\AppCache\96KHAJQZ\3\Kkav0LMJgrxAASPcwRgUkKeF40Q.gz[1].js.WCRY

    Filesize

    2KB

    MD5

    f169d85584ed52dda92b74484d2bb9ea

    SHA1

    2b1179415b10faa86d762aad82b069c410599386

    SHA256

    d6beee90602eef4453d1aae240cbde20d199644a899545db18bb633f81437ff8

    SHA512

    5854e07d6d0bbac9a8498223c26aa21eb00d4de878ba30fbf0c1bee96191a4a4be79c37619560d92d99f2cd03ef21026f8d47abfdb0fd5f49331f18bab1dff83

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{37246713-3836-4f97-a758-dbb12d1c7e93}\0.2.filtertrie.intermediate.txt.WCRY

    Filesize

    296B

    MD5

    cd3ae5551b4a0bb45126ce38b7594585

    SHA1

    17a075df5d8b4dc9e71d80f7c70131b939d6a6f3

    SHA256

    8cb42c56a96908478b4fab5d9c404525f129791fc1f99616a40c017279a4d3b5

    SHA512

    2bc7463c9736ed5634279e232d8cd2b7dc4352e5b2376a6e3bce939673c16472ff93fc3f9a7917521dc9c5778caea8d43b774447b900c1fb65f076deba016b49

  • C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt

    Filesize

    797B

    MD5

    afa18cf4aa2660392111763fb93a8c3d

    SHA1

    c219a3654a5f41ce535a09f2a188a464c3f5baf5

    SHA256

    227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

    SHA512

    4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

  • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk

    Filesize

    1KB

    MD5

    5ff1083f1a6e999adaca51221b709066

    SHA1

    f87b0f5948aea2d437bff78452dac170d11c7284

    SHA256

    9b51313cd53374270524ef7b1af82c3822e9976a99e673229dccc5fed3f4add7

    SHA512

    cc7a64a4518b7e031b06a37680fe0a5f7f42b0926a52cd5651b8242ad507726fcb3715611662d0ea025272f7b028607cefa73082244c77227f827276152fd8e4

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    627e406eab842a9baa6e920c524e1b1a

    SHA1

    fb9c5cc83d09b49bd45d928b460b9a68ba8071a7

    SHA256

    790db7defe16306a26453faa7e99e798f561e15ea9f88aa07130d2919cdcd9c1

    SHA512

    8218f68a878f4d920c58daecbb85b913d4470339c57adcd4e3b8cc004e5afaa0e129e4a5da0591b08671cc671bb8abc24a5ef05f448091666de3df8daad8250d

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    aea7bc91c5c6a7cfcd7b87d707f1941d

    SHA1

    4e4aba7ffca5d996fa332e839436a333cb6e77c2

    SHA256

    2fd7effd2940a150321059436e036aa7877e4d17d881e8fbde5a7b9471606c3c

    SHA512

    0ae5c168d25c3b98d1e665da07dd6a6f3a5ccc501ac9af5ef4ca1332fa8d873b411901e9c80a3d81e959102337708edbe5225216f1c5d74859ba7cc91a115a74

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    37642e49072ee2a2022883e1795f2c15

    SHA1

    64ab4f9f7c7b98782a463331fe9f9ab2346e8cc6

    SHA256

    9f2133c7e2a73147b692f0dc2ecd07bcda64cca89215d5c8f941ad9435133784

    SHA512

    c15d04808ea2e93f20df433123d648cf891583048ed422fc60cdef0718cf919d9db61177690ac1b2bc1c5ebc90ec25c0d6da8e130d0cc8b7d137a0ba0936eb57

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    206d118db1557260d788b9fb7b1b342b

    SHA1

    fa4133f7025d43009be5eccd962b634e7ad13eee

    SHA256

    c471aaf181dc300b028f86af4c6305ce4d4da714141cb284dea9058b1e457e4c

    SHA512

    1aaa40f69ac43cf04bf6ca6eb1bf08d017aa7141262b0460361f6266ece081a071583b07d9da45a96e05ca63a5d215b2dbc2889eccccfd375debe9c3d7cdb41a

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    651bdcc597013b626bfa5c2d9be47cac

    SHA1

    a5faf9e2f270e37adfedac94cdcb1da89e34f199

    SHA256

    7fa3c4297496178dc3fa728b6b84346e198717335644bc5b00701f0262f8eb78

    SHA512

    0887fe3a1fabfef9feed8f010dfe2ced9e11213c14a2c6639e4b40dffd80437b9934e010bd7c355d9674e11bd4dd3b54e2af67ce80c5de5756917d40ba27ec56

  • C:\Users\Admin\AppData\Local\Temp\144801728475225.bat

    Filesize

    336B

    MD5

    3540e056349c6972905dc9706cd49418

    SHA1

    492c20442d34d45a6d6790c720349b11ec591cde

    SHA256

    73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc

    SHA512

    c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c

  • C:\Users\Admin\AppData\Local\Temp\c.vbs

    Filesize

    219B

    MD5

    5f6d40ca3c34b470113ed04d06a88ff4

    SHA1

    50629e7211ae43e32060686d6be17ebd492fd7aa

    SHA256

    0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1

    SHA512

    4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35

  • C:\Users\Admin\AppData\Local\Temp\c.wry

    Filesize

    628B

    MD5

    43f2ee68a8ab5ab6a3df64e668e7aba8

    SHA1

    438b8eb65271c6e547511a04d198418bad4c35bd

    SHA256

    a4757fd41da9fe3b4d55aed09c4645297fa3b7a9ba665c0f9f9d4bb8cbb413dd

    SHA512

    3527d3656ca3df1be2f3b04fb8cb8cb42d48a241bd4cb3a7431037374c262f8a75d52f695c95e4115e62f22f04c7e16a7aa2a90bc8999ec0d8d1010dbe8d710f

  • C:\Users\Admin\AppData\Local\Temp\f.wry

    Filesize

    732B

    MD5

    a7608261e52355a582b5a4c50b2b7d9b

    SHA1

    d6e088ec1fc7319178d55734cfd096a7292093ff

    SHA256

    f7bc042104af8a4abfeb85056f07b4b6de9817c52f5d2de0349410b9fe07f582

    SHA512

    8335cb6a48507c6b5f53599b0620b15eac1d703c2f2b78de4ced3607a9a2ae1b4e71eeca734388de5511a929e70ef16c7f03dc35f1a1d48f5c1de416f26f919b

  • C:\Users\Admin\AppData\Local\Temp\m.wry

    Filesize

    42KB

    MD5

    980b08bac152aff3f9b0136b616affa5

    SHA1

    2a9c9601ea038f790cc29379c79407356a3d25a3

    SHA256

    402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

    SHA512

    100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

  • C:\Users\Admin\AppData\Local\Temp\u.wry

    Filesize

    236KB

    MD5

    cf1416074cd7791ab80a18f9e7e219d9

    SHA1

    276d2ec82c518d887a8a3608e51c56fa28716ded

    SHA256

    78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

    SHA512

    0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

  • memory/5100-7-0x0000000010000000-0x0000000010012000-memory.dmp

    Filesize

    72KB