Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 03:11

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:1076
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 35191715397119.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:2548
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3652
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:540
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4932
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4596
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4332
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4944
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4296
        • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3800
          • 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:2328
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2956
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:1176
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2232

    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

      d9cb9164beec7778b847614550210abc

      SHA1

      4dc206db45f72cc4170b38c63d3283b3c6d41954

      SHA256

      700e190d7a5533f61346a5a53132e224be026151e81c64cb7328544be99c9b60

      SHA512

      b7b952cb8e4291ac8288685e37c1f66cc68bc804b49db4919c0e7081ab52e7c3bd07c331e5e9d5497eb1ea8fa2065755932d0b78deb8cb76c2a47d3dac85f082

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

      136B

      MD5

      011a4e4ef2a6724c2cadb780efeb42d0

      SHA1

      4c40ec1b5cbd3e2dcfffdeb581341cd0326d8327

      SHA256

      d4d0b056d928a24b9251f87b1788c3accad5edd7c64528608acf7e792bbf495b

      SHA512

      eeee024ab4f8f83fc9947d05a9189ec71ce465a29302c8cb614e4d7489200224975147e2d5b372963ee2d12bf59e432cca4f14d475ad2fbbab883859606a2505

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

      136B

      MD5

      494a2637cd3e6a331795c6dcce2e21a1

      SHA1

      4d8871a57ff3f06ddcba4dec46051c6b5b34cbb8

      SHA256

      a827dc64dad6b132e59f598cdaa6ef36a6adc4619ee3d791c90d0d45e8f501b6

      SHA512

      5933658b03244dca3c5a21bec6138718a332634082ebc21c4fb1284594970264afad61baac2a9cb6608dfdd7a202c3c016dcea6e8365d8c114e19b8b1dd22ef9

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

      136B

      MD5

      2ba208eaf9de6b78674e1cee64b959bf

      SHA1

      b44ab5b72c1e4baa297c89132ad65b68c9b9fce3

      SHA256

      c458d64e71935e7996f751008d165b5ad4164930d7dba3ee78d7b252584b00d8

      SHA512

      90274a22d596ee642145758327e41dfdcd0a3b8973a26a596e644c52f15abe4d6c0813515ad4e99670ab02926d174b787c818950750cbcbdf5b5f8cd16213b38

    • C:\Users\Admin\AppData\Local\Temp\35191715397119.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

      cb82c89164529607af4c8cb549b781fc

      SHA1

      bfe8deb8734de212ebd2cf3a74947b9381f868f3

      SHA256

      b3bd569b6dcda35910ba6133f76ec83ff84b2ae1acb0663191ddbc5b6ad5a147

      SHA512

      3d058b2ac0bc74236f6f2bd7ae12c574d62b4558ed74c395d2e23cd584fe5f85b30943e160c7c0253a5c533727b46b749ea7fa090fe7eccca27d20a3678a997b

    • 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/1076-6-0x0000000010000000-0x0000000010012000-memory.dmp
      Filesize

      72KB