Analysis

  • max time kernel
    599s
  • max time network
    501s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    12-01-2025 05:44

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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 21 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • 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:3488
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 306131736660679.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:948
    • 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:2792
    • 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:3036
    • 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:3116
    • 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:2416
    • 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:216
    • 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:1892
    • 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:4752
      • 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:476
        • 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:4412
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4868
    • 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 FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:744
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2316
  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\WriteSet.docx" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:816

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

    Filesize

    236KB

    MD5

    cf1416074cd7791ab80a18f9e7e219d9

    SHA1

    276d2ec82c518d887a8a3608e51c56fa28716ded

    SHA256

    78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

    SHA512

    0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

    Filesize

    1KB

    MD5

    89ea7028790ba6f74a477d286acf5ffe

    SHA1

    aec595385a5364953721abfd80899ebb96d79c47

    SHA256

    e6d90bce935e0f12bd77ddcb517f111a9f5d34d876a0f846f0a30ac10dc7328e

    SHA512

    8fc846bada9fa02bffbbaebb24ae21b296b61346efcffb81a0dc1f652e994568bc26c7ed03e31293932493de5e13a02de313d66b6517db1e0815d2b9da7e5fe5

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

    Filesize

    136B

    MD5

    9ff69be36c62e319d30cf499269da4ec

    SHA1

    ba1bcab20aeff387b0efeda61875ccb44d1d233e

    SHA256

    a3df1a018ffce4dd0515e7d467bc0d7dc45a56d3bab06ef624436a4c97bc1351

    SHA512

    f9781656da549b56408aa58098864122b4ff711b67847b2c17fa7b2d39ec04c039ecb2a77a21b96675fcc31cc5c4115965fe534b39d0dbd0b2ce37e7f677a429

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

    Filesize

    136B

    MD5

    e915e520dde69c298cb3ea1907379597

    SHA1

    ce767dcbe3566f47ab537f297ab87c3d58ca336a

    SHA256

    840a0dbb10ec433f58b72144f880e52098bbef5e09598b4ebed98fd951bb91d9

    SHA512

    351c96c4f38514e20dbc9d52806d951902035477603b778da8c6d777e78b909a55adf6f77ac80bd3930ef62b7bac739f0d176b79046fba65dbb81e886f476823

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

    Filesize

    136B

    MD5

    91615f2883e88b664674320b0402d52a

    SHA1

    ebb392b099481c06eeb4628e2440006b2c48f604

    SHA256

    791f03c3bf525293e0958c42dd6c04bceb8a81acd735a5a2404ee52b29441013

    SHA512

    991781e23ef38a0f8f35d409ddcc3f977a3282c6e88c9f213625f3cc81beb0ed1046a317b6b9d8f0510b9429c311a1e410dc37f3af24952e4264cb8e14fd5b6f

  • C:\Users\Admin\AppData\Local\Temp\306131736660679.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

    41061db0f5f4fb03652cb0b2ce9651d7

    SHA1

    c5c9c7676452840f9f8ef1e9ceff1c244f5cc94d

    SHA256

    3b868d9b607b8671b5937d02b79a76acabd69e93c7879cef2484b329228134e2

    SHA512

    2872a70e4bcea2f4d8152bc46e2c4ead98e37117458b4f8be4b5603b580c3f239d9ea878380b5d8ed6b95e9c43ad52d725d8b55962b6919a70b728bf3a381362

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

    Filesize

    42KB

    MD5

    980b08bac152aff3f9b0136b616affa5

    SHA1

    2a9c9601ea038f790cc29379c79407356a3d25a3

    SHA256

    402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

    SHA512

    100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

  • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

    Filesize

    18KB

    MD5

    01ed3b314cde21aad45e4c5f450b93fd

    SHA1

    08cb0f96769d5a684a219fb8203017f64b122d46

    SHA256

    f879e4abfb041f7fbe96a333eae284fb2fe8e155e64ac7ab04f61c611cc75cea

    SHA512

    1cb94748a03104b2913e8a118b77ac11fdf959e7a9075c09233bda86f25af01eee404716438009d6b87ce57702292ca2ad8e9f630ed2f69df8a8988293e4ff9b

  • C:\Users\Admin\Desktop\WriteSet.docx

    Filesize

    15KB

    MD5

    8d88e6d0fb7b2ad4c2e222a17888b93c

    SHA1

    44ad1a3709bc8bd34cab65b4d34b5e0b741e85ed

    SHA256

    86a790509f2e05dc16d65a9f06ab86c90b8bf85e52a668ce8c89bf2d5a76ec8c

    SHA512

    f9a614c49b2350956db4ef078c9c33d112f6bec03012a6c1adaf1db961af40f58f1dc755f92e48f3639a6335cd2e988b8105afa3d7302a505b018b30f5a5618b

  • memory/816-1153-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1154-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1155-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1156-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1157-0x00007FF9DE6B0000-0x00007FF9DE6C0000-memory.dmp

    Filesize

    64KB

  • memory/816-1158-0x00007FF9DE6B0000-0x00007FF9DE6C0000-memory.dmp

    Filesize

    64KB

  • memory/816-1152-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1192-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1191-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1194-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/816-1193-0x00007FF9E0950000-0x00007FF9E0960000-memory.dmp

    Filesize

    64KB

  • memory/3488-6-0x0000000010000000-0x0000000010012000-memory.dmp

    Filesize

    72KB