Analysis

  • max time kernel
    175s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 07:01

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 2 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\WannaCry.exe
    "C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 266961697094167.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:1492
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4424
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1364
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4764
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:636
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1100
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:748
        • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4744
          • 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:4788
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3200
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:4864
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Recovery\WindowsRE\!WannaDecryptor!.exe.lnk

      Filesize

      1KB

      MD5

      55a783e82a5317db509b3a9d61b1d6ce

      SHA1

      ed85cfd8b015edb4c764c9b9b17aafe33b991ca2

      SHA256

      ecc68913296ae4907bdc75d3b22b5d1796f1a98c11498c5e435f9fecc071c02c

      SHA512

      0954c02af39d07110c589442a8f4018f75145b6751e01caf87cd0b95197e4ce2b06c8b0ea93d1f473dff5b8295e0f7acccffef0da223db426ea0b0c2166c6193

    • 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

      Filesize

      236KB

      MD5

      cf1416074cd7791ab80a18f9e7e219d9

      SHA1

      276d2ec82c518d887a8a3608e51c56fa28716ded

      SHA256

      78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

      SHA512

      0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

      Filesize

      236KB

      MD5

      cf1416074cd7791ab80a18f9e7e219d9

      SHA1

      276d2ec82c518d887a8a3608e51c56fa28716ded

      SHA256

      78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

      SHA512

      0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

      Filesize

      236KB

      MD5

      cf1416074cd7791ab80a18f9e7e219d9

      SHA1

      276d2ec82c518d887a8a3608e51c56fa28716ded

      SHA256

      78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

      SHA512

      0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

      Filesize

      236KB

      MD5

      cf1416074cd7791ab80a18f9e7e219d9

      SHA1

      276d2ec82c518d887a8a3608e51c56fa28716ded

      SHA256

      78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

      SHA512

      0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

      Filesize

      236KB

      MD5

      cf1416074cd7791ab80a18f9e7e219d9

      SHA1

      276d2ec82c518d887a8a3608e51c56fa28716ded

      SHA256

      78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

      SHA512

      0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

      Filesize

      1KB

      MD5

      55a783e82a5317db509b3a9d61b1d6ce

      SHA1

      ed85cfd8b015edb4c764c9b9b17aafe33b991ca2

      SHA256

      ecc68913296ae4907bdc75d3b22b5d1796f1a98c11498c5e435f9fecc071c02c

      SHA512

      0954c02af39d07110c589442a8f4018f75145b6751e01caf87cd0b95197e4ce2b06c8b0ea93d1f473dff5b8295e0f7acccffef0da223db426ea0b0c2166c6193

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

      Filesize

      136B

      MD5

      66da67452efbbb6960db1132656fe889

      SHA1

      1a7c16e361606451ff8ac36134a8ada4922c0610

      SHA256

      52545a37d79b1c226b7e956558079c4a73ee8709fe750c13937e9d481c8aff47

      SHA512

      afa0ef3313ab2d0d8d48f8201ba8e643db6a6018051285b724e86729bcbf7f816d1c27717e320aa5951b201dee93f51b843709d4274263e29f7916b2414de590

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

      Filesize

      136B

      MD5

      2c5165425e45b79d729eac70699b3aac

      SHA1

      24b506e434f283b8fc2f4d7bd3c430d48a61773c

      SHA256

      1fb2bc960aee4f555fea4a2197d990526e90017a95930b858a9d139e4bb2a56a

      SHA512

      11ac08cb48b6a4eb5222b6bbfca5bf74822d48ae6e050ac7a231dd94718b98584e54754a04d95441f13e99cd2058ae1c0c75fb2bf393d3cc38f546c0c3050ff5

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

      Filesize

      136B

      MD5

      4bc1b549614fda4db329c0396d7879ec

      SHA1

      b899ae4b753ad0a22867008ecf33b17a884de714

      SHA256

      6e3b2af05d3c0cdaca4a460402568400ea6ecabb6b0513106d04f0e9a6bbae15

      SHA512

      b5f09aa804788ccfb17618e69f1aac89e1ff32d193c721ce22aca8850fe996772175fc6a8f639f9dde9c19068f01875c69313d9b78965952dc5ecfacc798ccf7

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

      Filesize

      136B

      MD5

      922b13de962c94ccd26084f1caab0a5d

      SHA1

      ad4d2f1511aaa1c572e087bd1b5851a5202c4b2a

      SHA256

      0b2b883351fe5801191dbc322390e1ee266aa65da8cb1d890fb941b565e50295

      SHA512

      0f0d478274cb428543829a72cdbe3640271f4502c8f37ddac9bc6a36387b0b4b92de42765cffe90fb6903e7dec4f0095a338e2f23b84538897e93cd793099277

    • C:\Users\Admin\AppData\Local\Temp\266961697094167.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

      14e142a472410b1168aa2ce849afbaa4

      SHA1

      6a37042225bee6f380bfe473c681f4fa8bce1503

      SHA256

      5c1dd8814b407a51df2c4879c0c490e8641481818b85936d1f0faa0b15b1f741

      SHA512

      89fd49f1f7a9f7f766af207439db5ac53f48aec83a4cd7b27c903e2bc31bdd269431cb0ae2888cc880a62f3e29c82e025ba2dd540754aff019554b6061b84db4

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

      Filesize

      628B

      MD5

      14e142a472410b1168aa2ce849afbaa4

      SHA1

      6a37042225bee6f380bfe473c681f4fa8bce1503

      SHA256

      5c1dd8814b407a51df2c4879c0c490e8641481818b85936d1f0faa0b15b1f741

      SHA512

      89fd49f1f7a9f7f766af207439db5ac53f48aec83a4cd7b27c903e2bc31bdd269431cb0ae2888cc880a62f3e29c82e025ba2dd540754aff019554b6061b84db4

    • 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/3960-6-0x0000000010000000-0x0000000010012000-memory.dmp

      Filesize

      72KB