Analysis

  • max time kernel
    126s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-10-2024 01:24

General

  • Target

    The-MALWARE-Repo-master/Ransomware/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\The-MALWARE-Repo-master\Ransomware\!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 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 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\The-MALWARE-Repo-master\Ransomware\WannaCry.exe
    "C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\WannaCry.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 31931729733314.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1548
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3112
    • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\!WannaDecryptor!.exe
      !WannaDecryptor!.exe f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4992
    • 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:1644
    • 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:1940
    • 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:2108
    • 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:2780
    • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\!WannaDecryptor!.exe
      !WannaDecryptor!.exe c
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3728
    • 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:4696
      • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\!WannaDecryptor!.exe
        !WannaDecryptor!.exe v
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3548
        • 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:2096
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2460
    • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\!WannaDecryptor!.exe
      !WannaDecryptor!.exe
      2⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3336
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\!Please Read Me!.txt

    Filesize

    797B

    MD5

    afa18cf4aa2660392111763fb93a8c3d

    SHA1

    c219a3654a5f41ce535a09f2a188a464c3f5baf5

    SHA256

    227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

    SHA512

    4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\!WannaDecryptor!.exe.lnk

    Filesize

    1KB

    MD5

    6236c4fb235f030d37f3973db7150d5c

    SHA1

    89f08432e12222b6c7c083c6b966ae33e40a79cd

    SHA256

    e957368420beb943b4e089c66c609a4dc50fadd1bc39f2851caa84a220fc95ab

    SHA512

    dc654a6dc3b61d058be9690f67f06fb5dfe6d5a0fe811163d5c792b85aa7af0d55f319d33a5b782fd02a76c7aee47b3c4754e1843bd74ed55292529342fc67ad

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\00000000.res

    Filesize

    136B

    MD5

    b7ec31630f4d22c962eb4fefcc940e1c

    SHA1

    804aafb50792b8b225962f4544463450116df7cf

    SHA256

    968de98b23cc9a83aada7acb3f05339d1466e181c81cab5d538fc839986aac78

    SHA512

    49f28b0aaee0d6ddc18723319dcbf979f1b9330930154565a2bb6f912e18dd7a13fa7929f09d24a8fa70d61773ca438a3907707252227fb11c6c7b737422df97

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\00000000.res

    Filesize

    136B

    MD5

    03f6ca13ae5245afc22b6ebe9c87a895

    SHA1

    92f54be6b099cd915321f66472d42bfefeb2b71f

    SHA256

    1afedd0e75e4afb970948cfe406001a40983961654878769c605536b405d8668

    SHA512

    f44561f6ad256e752e29370110b90990c37546bde32b9b581bc30623e2f2d46aa0d22a53dbfb2e7cab7bb990ed4f2e7a59be7b3be644b3f198b0218bf4518748

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\00000000.res

    Filesize

    136B

    MD5

    c18bbcbb7ded81112d62112c5532b391

    SHA1

    6deac5e9f94a6c7aea8522950429e6c680f7f143

    SHA256

    1945b57f67dbd5439431fe12f2741a00f0998b3cfdf6cfe20e2647871007fbcf

    SHA512

    4f6940d6cd86d6d227c9f4590043473b55d046bf9381a618bfbab59df712661b661644e21834fab4695b7cf26574a896acb2508b0664a0da68fe9aa76e74caae

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\31931729733314.bat

    Filesize

    406B

    MD5

    feb274e532f044aae1b99b64d2ffee05

    SHA1

    2951325bf2b46a1e062f1f1afc930769e0ef34c4

    SHA256

    c10cbb712fb2b15d0bf6f908b77be25fbba46cec7b578ef7a84ca59373af7b8e

    SHA512

    69e51db318dc53a3c18cf7609765d9f85c98c0577a8f14e82ce27eff3cdf730631e91dbd3383348dfeb519faf85f9a70f898b3cebd279204dc40684d77d0fb91

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\c.vbs

    Filesize

    289B

    MD5

    fa55dffbf221965f3b5f93194068826b

    SHA1

    496813f6d40dd16bc19e5de303c2800101716564

    SHA256

    3256f29f89fda9a6a23cdc9b039c1aa95f458666d12304c9e45a2b257326dad4

    SHA512

    2055e30a17afc8170db9ec57b5f69c23f7624012a18fd773401b2975fdea942d81f920b524f14cb57771f962db14d236357a43b47598ce94d953e7ff462e29ef

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\c.wry

    Filesize

    628B

    MD5

    89ce700117cec3de26a6aa81f3a24120

    SHA1

    887bf426e8aabfcb41b9e6c210915ea993d097bf

    SHA256

    eb2237130b1cd78f3323ca5c89f4a1aebdb754e3fd1899f50dd82ec00a03957c

    SHA512

    ff99c1ced36c8e0f694b381682e53626c8c4aa75c851860923555d800a98f6a8427209dafcda2f9f027a67d0414e92d79006c282f013a56230c93abe617024be

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\m.wry

    Filesize

    42KB

    MD5

    980b08bac152aff3f9b0136b616affa5

    SHA1

    2a9c9601ea038f790cc29379c79407356a3d25a3

    SHA256

    402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

    SHA512

    100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Ransomware\u.wry

    Filesize

    236KB

    MD5

    cf1416074cd7791ab80a18f9e7e219d9

    SHA1

    276d2ec82c518d887a8a3608e51c56fa28716ded

    SHA256

    78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

    SHA512

    0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

  • memory/2628-6-0x0000000010000000-0x0000000010012000-memory.dmp

    Filesize

    72KB