Resubmissions

12-01-2025 18:54

250112-xkfw5strh1 10

12-01-2025 18:19

250112-wyhr8awkan 10

Analysis

  • max time kernel
    292s
  • max time network
    260s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    12-01-2025 18:19

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.

  • Wannacry family
  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 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
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 240301736705991.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2004
    • 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:4524
    • 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:2100
    • 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:2808
    • 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:1756
    • 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:4688
    • 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:2768
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3740
      • 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:5108
        • 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:2520
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1632
    • 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 SetWindowsHookEx
      PID:1712
  • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=5280,i,14051770743434628540,18132247866055307325,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
    1⤵
      PID:1916
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1392
    • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=3228,i,14051770743434628540,18132247866055307325,262144 --variations-seed-version --mojo-platform-channel-handle=3056 /prefetch:8
      1⤵
        PID:1532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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

        Filesize

        236KB

        MD5

        cf1416074cd7791ab80a18f9e7e219d9

        SHA1

        276d2ec82c518d887a8a3608e51c56fa28716ded

        SHA256

        78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

        SHA512

        0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

        Filesize

        1KB

        MD5

        bf9365d4cb62ca5c082aeb83e34a72d5

        SHA1

        76c222a484b81eed92a9578e5ae0b6139d867e8d

        SHA256

        2721b95efd03a83878f1ebdea7645e1bbc3059336dffc2133323e91049e215c8

        SHA512

        f433daaf6b3ab83c7e56037b3e057ab1b4fb115b36149507eecd2fa1d9270102f8d4eea9d29d10d57e7192ecdda204aed5519b1e3c3b426c8752dd2f4b4bec31

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

        Filesize

        136B

        MD5

        26e3bb8fbb370e4cbcae5ca2f0320c0a

        SHA1

        72fe622e13b7e25eaad56fe61bd93c25ff302782

        SHA256

        3f6b362a8eeeb368af5a86356b09a20b4a4db77698590b639a3e03a6a94ec417

        SHA512

        156c5bae90a3089b44fcc942b1108738d9a47a6718e6d3f12dfedbb0e8545481f9ab2c2abda7af7e92ac023902d29bb37260d62d78e7d4a14c2c20d6651d0c7c

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

        Filesize

        136B

        MD5

        6e4bc86eaa8798b714c37d7c8763bea1

        SHA1

        646e137d78988f6d19ee293079874b97de655efd

        SHA256

        85cccac4ac65f2156c4ae62bd6a32d2d4391f2fb5b606cfd04c8583ba2438579

        SHA512

        a25156c55f53ef93ac10613420ef09e221534c63ea5c06708c13cf12446a425c7936e5ae3d2a8b970cbc937a6489ad4eaa316db6754fa226d4fbcb998860b437

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

        Filesize

        136B

        MD5

        3e2b71cc073703630854942ce6281470

        SHA1

        66cb36fe6308003c731261e4d3861864b0c3858c

        SHA256

        fa11e91bee4a8af1cf4776ad4ec4dccf6746bf7db40bd480397146b4b727ddfe

        SHA512

        2add2965ed7b4021d48fd0c86ef943899026106fece807d488f1f73c1ffeb319c6a269d3b1e49ddab1016b7a2353eb9e2e942c963f0b510899ac64b6d60161fe

      • C:\Users\Admin\AppData\Local\Temp\240301736705991.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

        75ebeeb53779b22385867ef4b9f4a6d0

        SHA1

        9a7f8f15676a2738bf1225c747896f6699b9143f

        SHA256

        97646ed605ca2db96602663473390fe2d7e17d861dc5382bfb0c978cc121b2cb

        SHA512

        b1cc9d68be5b634165ef8cb9a205ee5feb512b82a4bb3cc1b730c944684d8506155ed085bbefb22667a1cf557b7274cb61868899f2b85b27e0b02b8ba682fae0

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

        Filesize

        42KB

        MD5

        980b08bac152aff3f9b0136b616affa5

        SHA1

        2a9c9601ea038f790cc29379c79407356a3d25a3

        SHA256

        402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

        SHA512

        100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

      • memory/3748-6-0x0000000010000000-0x0000000010012000-memory.dmp

        Filesize

        72KB