Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 19:05

General

  • Target

    be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.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 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 4 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\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
    "C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 238381715627153.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:3964
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2472
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4144
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1184
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4908
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3068
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4460
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4552
        • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3484
          • 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⤵
            • Suspicious use of WriteProcessMemory
            PID:4688
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2172
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:2588
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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

      d3d48366352cdd4d03a52330a8ccddde

      SHA1

      29eb0f889a460c9b65d6f12fcecb2d5ef9824799

      SHA256

      2c757b248b4c665245395c12da3aaaaad411cb9ea7babd84eadc90dc69da2f13

      SHA512

      39a784577aa36c9ecfda7c9c660bb56fbf59a42cce0d7ad93b2ee4416ec4cc6eacdaad567c6dd7640c90aa995814c517ecfca301ac1e8b5fe6e681b0abc59dbb

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

      Filesize

      136B

      MD5

      c4f8e7650b5baf9db758e77a915eed89

      SHA1

      c8aa7109a7bad4708988e738862f32b691ef4ddf

      SHA256

      1bbf8a3139ee1e9eba51da40df532061ec3da25597d1b6ef7b7947bda84ff768

      SHA512

      9216cad2b0d4448882752274a5870b34b17ab66dc8b808ff29c96aae87563b20d5fbb054a3f4386bd94190734275b259264e069e6e630812f01933f9d3391ccc

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

      Filesize

      136B

      MD5

      5a5cc196306e625fcd06c9642c468506

      SHA1

      270d72350eb70d040e4a4beddd52a57256362f70

      SHA256

      30f42a533dd041f568d0164b421d703769d656e5c5416eb3384cb38a3657cab8

      SHA512

      3db71e9ee234f235f1145272a5bb49bd3ab94e20560b78250c55f6b30df9d9b2aa0d9e9a96ceda8c2ef5506f841029d3575162a8a1cdf0c6470b969afee19156

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

      Filesize

      136B

      MD5

      829e3eb18ee477f0f419df0ffe14c2f3

      SHA1

      ccce5b9b908f19c5f7f45f8f7a34b37a4824af8c

      SHA256

      a810b87e8255c8c698c6bb3efbc8b1a7133d7059fd7e37804ca7b6e18bdc5bc3

      SHA512

      a9cc73e119c663dd9b0ae77eef5651574884d671b9540e801423d81445fffe4f55b3912d1a6ec79e00145ec352b91d1c2bd9d00a5998985a2f3529f89a18babf

    • C:\Users\Admin\AppData\Local\Temp\238381715627153.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

      c6d140cab0d340babb565e9682b01767

      SHA1

      cabaa79292005a6107d7674cc4e5d736df3403b0

      SHA256

      0769944d7b30ead425ccb61e66d16eab3ec78a1494776ae58986472552555297

      SHA512

      7231ff16eb9ca383bd53d66004a57f73751310806485e6b1b485ee9748d8f1ad1fa54078288e64e1459b3acb10a2ea483c2c385cd3fffd80c5c4c8b1c377e64a

    • 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/1808-6-0x0000000010000000-0x0000000010012000-memory.dmp

      Filesize

      72KB