Analysis

  • max time kernel
    649s
  • max time network
    660s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 18:21

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:2388
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 169791715797702.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:528
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:2020
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1644
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1576
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3944
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:740
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3256
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1168
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5008
        • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3544
          • 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:4404
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4460
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:2592
    • 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 --mojo-platform-channel-handle=4396 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3908
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4328
      • 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 --mojo-platform-channel-handle=1268 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4112

        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.lnk
          Filesize

          1KB

          MD5

          79073a13af1f52c70997bbe020e84e39

          SHA1

          f294952ecfb2f71c54e6497bb2a95639f068ac19

          SHA256

          cb449dbafd9a4e82315b7c414bf192ad13670a5d5d5165f954125b6ec3afa7ad

          SHA512

          230e094fa06ba0bccd1213fd4a6fb7d7126aa6fcd41d4e4afa701f628c2d1d45b8b086a7d256afe5d34094f2306e512f86b4eb8ddfa7f3bb8b6ac6b635a59050

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

          136B

          MD5

          65c233b92561b68d1720237f1b5e4dde

          SHA1

          3b768767e9aef7b407050a9ae2d0c31e08bd368b

          SHA256

          54039f40c75c59fd8cd3d6ee0be185ba6cd8fc5a509913d3366d041e21bc509f

          SHA512

          a0c1b7c706bfff8cfece25324567af7b2bef12791970d3d4f3e53445a2f29491cf5ba5052cb7bb6e473441849f8a6a41cacbdf1ea2e02a23bb0bb1acbd141278

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

          136B

          MD5

          b0bcbe05d139bc16fb9008fcc27f83d6

          SHA1

          f38dcf73df1f08703642918fb30c13a5c037c35c

          SHA256

          ff8992d9399a3895c42787e72e56227e7dc9adacf45932c2c450b2b968efd02a

          SHA512

          6525bc30efc62dfd6b6b57e7c8241d0e3ec51a9fe8b1af8b5735cdf0fae0cb316db00014a17176c7c4fa1f24dcb722435781cac7805af877bda1f322592fed12

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

          136B

          MD5

          da4d7f1a9a0b7463f9cc1d5a956c646b

          SHA1

          ae8bafa153ba51cede3c0af2c5048eea7ca880c4

          SHA256

          a9f6414d644d9f265dd49431d15df71e539352a9d811f7953d64ac65ca8fe616

          SHA512

          cefe09ff4b3cf072805db966067c1059539b3a283e84d1178f01330f501ae539aa967204385a27f50e00e306b2bdf6efcd9871c53137eb75ddac042ecb7d7ca2

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

          136B

          MD5

          c559e9ce80d69550e32616d86a2c88c0

          SHA1

          ea2bc7dfb48e5d12c7a310cbc4d232f427de0f0b

          SHA256

          843f9f045fe40a4895b81fca59dc7f804d080d348dbbc9cd40fdc7ed951dc4a5

          SHA512

          0a28a7879f31952e66de77680f70f8ba8af7a33c7fe54ae34096e17483f6357dcdc6cc641d74b4926111899d8702006d1f4a8464ef939916edfb9492a06d3fef

        • C:\Users\Admin\AppData\Local\Temp\169791715797702.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

          59c12017515558b4ecc4eca690d1b9ff

          SHA1

          c23a40a0a213761ce030959b597de60fd772434f

          SHA256

          e27d3f734599228505f3cefd114432d34d7cbe5b36f6ce6365c7d88947ec7412

          SHA512

          487a6072e18eb0fa339a545a918de14c9445f61638b131d46667a0a7146e1c0413a137cfe62385234d765c8641e00fb67fa8d01cfe6058d8b80e4e2280257f48

        • 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/2388-6-0x0000000010000000-0x0000000010012000-memory.dmp
          Filesize

          72KB