Resubmissions

06-08-2024 18:54

240806-xkfalsxckp 10

06-08-2024 15:17

240806-spgxsawekf 10

06-08-2024 15:16

240806-snyh5swejf 10

06-08-2024 15:15

240806-smzptawdph 10

06-08-2024 14:54

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06-08-2024 01:49

240806-b88feazcka 10

Analysis

  • max time kernel
    65s
  • max time network
    65s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06-08-2024 15:15

Errors

Reason
Machine shutdown

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\Documents\!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
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 2 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Kills process with taskkill 4 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 60 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
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 175671722957320.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2796
    • 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:2308
    • 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:2324
    • 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:1724
    • 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:1832
    • 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:2592
    • 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:1672
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1860
      • 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:2592
        • 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:1124
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:704
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:876
    • 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 use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:1592
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2536
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1984
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\StartReset.mid.WCRY
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\Desktop\StartReset.mid.WCRY"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2804
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:536
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        925B

        MD5

        c254ef002a4083efff358979cfd6d1e5

        SHA1

        f041ab1f084da1dc5e864cc78c2d02b1e914811d

        SHA256

        f849e7aca68528c2a6d763be5bc4568ce9aed4d5932d4fc6f23aac36f061f183

        SHA512

        52fcf6083bb57aa0639df623c44135c9fbb50b3a3ecd4abf69b01dd462e5983029db211b67d830a2e58d231886ec56ec2874ead53f5406a7acd78d3dbbdd0630

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

        Filesize

        136B

        MD5

        7d9b9a89cc1dabef1fdb0ece11486305

        SHA1

        9abdf4d59ae616a03618057a9fd8850902dcf74e

        SHA256

        f340d7264e14bb4839114c7e46f5d5ebf98eee3343ddd4bf662d59e53fad3e16

        SHA512

        5004f085fb54fe5f4e86b1a6b19474248faea04455b0ca62c969e0a8ba714e3e965ac673773d3e14aebb0f94d387c847e9546cbc12fbe52542399f7083b3fae8

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

        Filesize

        136B

        MD5

        6d93a96d5fde03b83ecdc78a0d161133

        SHA1

        47074360e0788225b60c872390700af7d98e0b47

        SHA256

        bb2d162813eaf6b8ed8ae422ade87709b8dc6d0bed75a2e2ed02b99f1a835712

        SHA512

        670ae86914a07f707fe1749cc005611daaa35604c05f6c3c6287972b9d5c6bff68794623363ed5bc9399d73a953daefb8170968fc9be6ab1c0473a75a1f357b9

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

        Filesize

        136B

        MD5

        bf7613bb414bb00223b6d573d4e02bb0

        SHA1

        606bf3c61b0218cde7818784fc9c4d1267dc2ef4

        SHA256

        73d57afd78eecd790f52af1840f5ddf06c527da4b28b97dbd5ffde98aa19d3da

        SHA512

        1b988f7e7eb3d8e41d2a1eff7d7da50a348163b23a694b56507a1abe06f3b60e2ad178aa0d925fb4354143c1738fe8b3e8e874c3274286762461f26059028f56

      • C:\Users\Admin\AppData\Local\Temp\175671722957320.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

        caf95b93c2ad29d4c448d1029ca4ba83

        SHA1

        c2be6ae25b7fc7438edbec53796e26cba3dcbe8d

        SHA256

        3364890c7332036c568b837749655af38a9cdf225ba5ddfbede025d3a831a553

        SHA512

        4f7d9fcb7f5922bdce3eb61bf6a6e8c6e844053c9e6b29bf20a915df9f9e25b871fa05dd40d915555d8de139b03e03f457480bb127b42a14372798eed609eaa6

      • C:\Users\Admin\AppData\Local\Temp\dd_vcredistMSI1F9B.txt.WCRY

        Filesize

        424KB

        MD5

        602fa410cc2c0376cc0773adb1cde53f

        SHA1

        58b7f68908090e86c1796ac75e65115ff469fa5b

        SHA256

        7ef215e97dc1294aa21b0251be07c0a171cc9a9d558e19604af9d49b9455154b

        SHA512

        f83a1a0fe15b1a4a8eb0a8d3d77edb489fe8225f4f3b1860763be2182cf5a244d255c93665029c0efcacd293cdc15e76835f897d9cf6395abdcbff07e717bb7d

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

        Filesize

        63B

        MD5

        f2d39459e517033defcb9f8e8b34017c

        SHA1

        2fa980b680f4d509e59463da44ebf88ceb6f8664

        SHA256

        f28a7ba017471c22c2ec068217b63c139c333a37bb52fbd7545536408bc1623d

        SHA512

        071d600d620d90a72b4199190c62bf52373a6eb5f502cda2eb63f6f82d6ead86d664bde500db2c26afee5bb1c2c007035c377a1a8bc203c26bee2a75268ff2cb

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

        Filesize

        42KB

        MD5

        980b08bac152aff3f9b0136b616affa5

        SHA1

        2a9c9601ea038f790cc29379c79407356a3d25a3

        SHA256

        402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

        SHA512

        100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

      • C:\Users\Admin\Desktop\StartReset.mid.WCRY

        Filesize

        948KB

        MD5

        432f63863ffca4dc6ebe57d13bfe5039

        SHA1

        967ce0f5d34e8f48890abb8cf8a394fdab5f62cb

        SHA256

        77e5f72aa8aa8edabbf53bdc68b7fc58c59cc1a4845f241f0cf3422f302f114b

        SHA512

        2c0af7c873a001c08e701836a1ad974a52501a6a1ada04ed7945cefeefa9f9adfd1dd0805399ab0fb72920ced79f9e9646c1997106fca4ec4ce5d1586b42345e

      • C:\Users\Admin\Documents\!Please Read Me!.txt

        Filesize

        797B

        MD5

        afa18cf4aa2660392111763fb93a8c3d

        SHA1

        c219a3654a5f41ce535a09f2a188a464c3f5baf5

        SHA256

        227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

        SHA512

        4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

      • \Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe

        Filesize

        236KB

        MD5

        cf1416074cd7791ab80a18f9e7e219d9

        SHA1

        276d2ec82c518d887a8a3608e51c56fa28716ded

        SHA256

        78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

        SHA512

        0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

      • memory/1984-863-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

      • memory/1984-864-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

      • memory/2500-6-0x0000000010000000-0x0000000010012000-memory.dmp

        Filesize

        72KB