Analysis

  • max time kernel
    49s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 09:51

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\Documents\!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
  • Loads dropped DLL 9 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 56 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
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 282761723542729.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2888
    • 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:2868
    • 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:1672
    • 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:1592
    • 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:1956
    • 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:1856
    • 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:772
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2436
      • 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:1592
        • 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:2140
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:1856
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1468
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1652
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    921B

    MD5

    fd858f9748ff94b0edabcbf8e3a8e1cb

    SHA1

    dbf36e43c9d4630a4575275dceff7e4028e2b563

    SHA256

    ea6430d45f2c0f792eeeb72eeb8f8bd52233d310d2e51cea22ca67a227163ddf

    SHA512

    97904dc0328c05b2f9bc174b2456190fbaf61e6d0dd56f39f2180c69ad0cee28f360ab732baab67a532ca84d8545c635628de9ea1e29e28c113c6d9cabd61573

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

    Filesize

    1KB

    MD5

    272026938b7297b526ce70f66f8d365a

    SHA1

    690cf1f5dde00a495da0590c8a3079ef3687955a

    SHA256

    c99b218d0aff9496cc80d9742af2a1a46b36c05715182268014117fc2d0abcd3

    SHA512

    07be99702ee933ad1a39e8db93259431aebc6796efa3093d1d5fc98e98f795cfc1eeb4ace14a1d0d382de602e5c8f4f9cc80b3391edd3d42eb8ddd899c7a8dd8

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

    Filesize

    136B

    MD5

    b873e676a7bfd360d81e14f2e9a56867

    SHA1

    a001beb219ceeba486780c98389ff36816d301e9

    SHA256

    8c2d504da3d27a40a14c893ed8dfe77c69f8526c6d29f5e611fb3a97243f02cf

    SHA512

    ff78e900a69cbbd1e6ec1d03b012ed593ff53b4a354b93a577ac076a17cb0700690030fd2bddc6daec6368fd690ddb7c9945c0a0a3c907cb6cc96ac7baea807c

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

    Filesize

    136B

    MD5

    f3e29b964c79fc3663afbcfc0c7f71d8

    SHA1

    d0d40cbd5643caa0f5190a7a1a9d03b714e69891

    SHA256

    2180523c7d7a59e56c96346415cfdc42544d623d2717cf863b52c56d7492eee8

    SHA512

    a84da23609135340e2f24e7f83bff3833abeae0af0d21fc8e23c340c5b7b0e5d012fbb1e7f3768dbcb8e7cd4d96563c188191c3c5e687f0262d29f3c3ef274b7

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

    Filesize

    136B

    MD5

    b4eef926e1f94249135e5f5860fde42c

    SHA1

    10511e09d6aff1c7a5c8f791d7073e78f0f340f5

    SHA256

    971d2839c73cf1b300866b0d83c797052dea9e59f9d3e54c408d3535b1a1067d

    SHA512

    b58b0ee4a54c96079056b0877c0a3f9baa515e03496ef371255d2be9354e1a6f9c4ee60973c6c795541bde39be2d3171e7a4a49be8664c59521db91f3ff46847

  • C:\Users\Admin\AppData\Local\Temp\282761723542729.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

    8dfc57497ed7beeebfd80441d807c42a

    SHA1

    c9bb4a85808047fc48b336209b339437053ac51d

    SHA256

    17ef5f967543bf20a4a32e81771ec2f54ee400eaf955d969c5c2cc849d30ab59

    SHA512

    7f3f3090db0ded03a3ff71ba881b519e9d5381c5f66be0e1d31e96703f5c38dda77fda82f7665cdc044f947b15d5153f61f2b2fc338e763d1149fcb6dba9e605

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

    Filesize

    282B

    MD5

    d55dede4123e127f4ec1b52ef7dda496

    SHA1

    18df598fec1ec079ab80e57e6478a1e2d48bb736

    SHA256

    524d0bffc7d3ec05583e49d4af74ff24e1b66854da61f0294e6a4336eea9290b

    SHA512

    5191c63562641882f7b03157db720ff81550dad04f198c7c87acccf3509fb4df8785d00449522462f0bce62edd0c5da4e1c369e1bb7015a3d4aab519c8801e4b

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

    Filesize

    42KB

    MD5

    980b08bac152aff3f9b0136b616affa5

    SHA1

    2a9c9601ea038f790cc29379c79407356a3d25a3

    SHA256

    402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

    SHA512

    100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

  • C:\Users\Admin\Documents\!Please Read Me!.txt

    Filesize

    797B

    MD5

    afa18cf4aa2660392111763fb93a8c3d

    SHA1

    c219a3654a5f41ce535a09f2a188a464c3f5baf5

    SHA256

    227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

    SHA512

    4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

  • C:\Users\Admin\Downloads\WriteRead.xltm.WCRY

    Filesize

    390KB

    MD5

    95fb5ed1c0cf1082d3b234b04ce15034

    SHA1

    254e64179f7777666e853ab441828d53d115d25f

    SHA256

    d8cb30bc37c3ee5fa7a8961c12d94647893137757dc6f6609297413da0074cd0

    SHA512

    29bfd2bb55229f28e47afff2591ffd5c6afbe8030dff44e8538244c7d172c4c85e5f619e77327ffc21245adcf315ae6bed274544cb04f32c67db59e9b29d8519

  • C:\Users\Admin\Pictures\FindResume.tif.WCRY

    Filesize

    588KB

    MD5

    f59af7a0dd4a9e244e9181462bb20b08

    SHA1

    15fc46d02a4d80c133b3f4ae877be8b74188eeba

    SHA256

    97622deae6db2a891abcbba96461d8223867b23c0b1648820246867b167d2f34

    SHA512

    c5a5a74b21bfa89737b2aece1eef8aa0e32d80536719e3234436a3c4a7a3ce31de51b930b6c46f584967404ba3221c35454fafe8680696408b0c73cc7ddf3829

  • C:\Users\All Users\Microsoft\User Account Pictures\user.bmp.WCRY

    Filesize

    48KB

    MD5

    657ab4c6ee6c232dccf51635eaa9caf5

    SHA1

    4bace2870ff19f01f9e0346d4a5263f13cb13cdb

    SHA256

    feee8f19650597ca3e25632e168ca3fc00c15847a6cdebb142c850aa3451e842

    SHA512

    ebedf118475edc09e9dce4fa4072fc6aeaa0b85e1e073eb508fa4c8962adbc7ed4faefae310ecf73f4e669dd6a52ac44abb22f5ddc467b742433cae2768959ec

  • C:\Users\All Users\Microsoft\Windows NT\MSScan\WelcomeScan.jpg.WCRY

    Filesize

    504KB

    MD5

    1b79f0788a1fcaeac896f1d6ac3970d6

    SHA1

    61edbaa358c913f0313d60e472534e8d0920e223

    SHA256

    c639db66167d8c8f0c4b22fa00d801b1e822aae46ab1a3bdf0f1673bf75c1b14

    SHA512

    e0b40e99170b90f2727ef10fb8749eee0b9f3d9bcd5ee7ace3aaa75ad5a8f24755a68ca3660303fa05f1be7ad60f71857b1685c9a4d81823f59580e9076cbf6f

  • C:\Users\Public\Videos\Sample Videos\Wildlife.wmv.WCRY

    Filesize

    25.0MB

    MD5

    cdafcf4d6760123ccb6694cf0b370705

    SHA1

    ca8af3ae25a84deeea56a9161ef717b90aacf795

    SHA256

    93dd00e91b9a1585ac4faa1fa5954a8f2e41703a7de99fe2663d5d79752a09d2

    SHA512

    cd5b5a46e0b32e523091537a64934c6094085c39f29d8cdd444c75169065627200b5068947b50239fa8a8c702ab5eb44c7e8a42a09b3c6416a96972e9a683901

  • memory/2132-6-0x0000000010000000-0x0000000010012000-memory.dmp

    Filesize

    72KB