Analysis

  • max time kernel
    147s
  • max time network
    128s
  • 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 19:03

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:2472
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 322691715626988.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:1660
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1864
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2360
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3024
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1608
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3292
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3080
        • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4236
          • 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:3432
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:324
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:4372
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4196,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
      1⤵
        PID:4532
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4044

      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

        af9faf68ce5a1aa02176d08c001f11a0

        SHA1

        eb1bcbddacb9a7dc15ba5441807c560c9b015aba

        SHA256

        7a702b9db6731ec64c577fb3f08c57264f56aaa3ec5c05f9eeb75155fa177378

        SHA512

        4510e25a834a45013938f367890bd3d0b6a088ad1a3f937ed075d08170d5e1a00a73ffd7df7ed8a5619f904cb53c8cb6f8e1e335e01d1421eef69381f29c5d03

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

        136B

        MD5

        4ac3cddb93c7d15383325e267c2090f4

        SHA1

        a3173d2b5b727a1ee043f41cd759e0141aa9e97a

        SHA256

        4490c7d81b5bfb38f294202f8430f4c39d808526157b8493c34f720f6a0fe7c1

        SHA512

        b902b40a16188b0f8bae895f214f4bbaf4a5201058109ca8e23faae13ef442ddb2d071eb3ea7f3b2fe07927e4e0c44ccf93ac122d5053346a1e4a81d0a080237

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

        136B

        MD5

        a108ad75e065a4481a47b2a078335249

        SHA1

        ac5108b36f718737b81f334ce09c6d573d8ec3b7

        SHA256

        8f844ae92a6e78683783051d276da4392ca497eeff763ba606d139cf80cde849

        SHA512

        05bf968bf665f6a7ff151bc9beb302b1fea2440e65dc17743d1307b7da27e5e7759f12f7d46853cef72702ba9b655313d123b8bbae4b52ec292889d31cc0c5a9

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

        136B

        MD5

        0e2d0fd77e96afa524d7f3b98b8a5f71

        SHA1

        f967709cdb7a8bb404be41b453491a7ebd41da47

        SHA256

        df0664e20deb6e1ecee849f2649dc066edb6b12074ab91a77a9db1ac2070ef4e

        SHA512

        f73ac2adebfe1e074dd9684057a52e0c975019c89b9906cc3c04ea24f2e7db5663e999df57324ce659d3b23d1ea7bc2f8f44b316eb2751e9d4f767de3a01a9f5

      • C:\Users\Admin\AppData\Local\Temp\322691715626988.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

        67070fda0a952618b2b4d2681c6cadc4

        SHA1

        ae8b770cf8a2be31b193701009c67cb4ffea08a9

        SHA256

        a7afa7b34feba12f21ed81d41be1f766351708b8ad0f9aa68eb7b9a86f5ff70b

        SHA512

        3daf1cf64300522011fd18639df89b987c73b0206c35608b48c056fef2b99e88969af6bc747a760b889e9f5080bf9293f3e5133c5894c83bc01c63607f8b1c4a

      • 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/2472-6-0x0000000010000000-0x0000000010012000-memory.dmp
        Filesize

        72KB