Analysis

  • max time kernel
    149s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 03:06

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:1628
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 281231715396793.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:4224
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2044
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:5056
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3484
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1692
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1824
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:640
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:836
          • 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:2628
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3124
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious use of SetWindowsHookEx
        PID:4108
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2760

    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

      7b3e306c5e13be8bba1669b4cd57d326

      SHA1

      b0a57e8ac28e6bcf797081229bd17b67397ce311

      SHA256

      61359a8835c19455ebd5fdc482a46311da4871afd2783a54a7f25f37d2474ee4

      SHA512

      d0d42665b8910df61519aba77c6f4a5a127189d5863efa75ef782cb1512750f7a6a02aaaf5b8d38427897b615ddf5c0583f2a7ad288a301d5a3eae4ce2c109ae

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

      136B

      MD5

      702f4b41308d51b54adda23748e6ef16

      SHA1

      512abb1204e1f568fd911757d4f26ee92744970c

      SHA256

      6d4721acf00f034c243377842584fe3b161a09b73d0fd80336dd092cc6cd089e

      SHA512

      2ca71e76c6a426465f28eef34b174d59766cce18f24b97adba0ba3ba5be47bb51f2c91d7a35392e1acbdd0dfdc588c39cb1e558345bec61cffe47041014364c2

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

      136B

      MD5

      74252cc65718e4e6640af9911027f46e

      SHA1

      508e60ba6e9ea53e66e62eefac77731d2acab105

      SHA256

      9268ea4860bdcb9a2786a4e2e1e73825a4ba3c1ce1dd23c1006a10305983b837

      SHA512

      c8a1f44f520be62c4483f245d7e023da7a4c82831973a619603a4b28cb9f7905b6907a25821024fc20d41c21d82052fbe92cfb705f5d92b45748da798af72b0f

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

      136B

      MD5

      e0f9eaa2a661c061f22d86d1927c86b0

      SHA1

      cce0724c40d80e1e803aed9748719d2b22a6ab46

      SHA256

      4f8bd0895d6c0faaca59d08e5164613862599896352c9c22b3f4d972dabe74f0

      SHA512

      8c4864924b50766941ba4e131577044893d58057da2b492a41f8f66ea665077afd7625a82bfab3fc8a9a729787b54fc7a65de6a7cea8abe7979953e45ba3d73c

    • C:\Users\Admin\AppData\Local\Temp\281231715396793.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

      8dd4eac71c5782ddd074031356de3ab2

      SHA1

      8fa6118f51ee5ba1ecb84472333f918a831d0019

      SHA256

      806d5922cbeac650e3659de902633415f941eca909705a1b980523698d4ff519

      SHA512

      19277e1674a8c1faa5d82b64f4b4f95a2638b9e0c06c0df67febd420ec768db680b68960d01561f017439e7fc7f20f09abdd73d6c92dc2f978615240cad36a5f

    • C:\Users\Admin\AppData\Local\Temp\c.wry
      Filesize

      628B

      MD5

      663e55df21852bc8870b86bc38e58262

      SHA1

      1c691bf030ecfce78a9476fbdef3afe61724e6a9

      SHA256

      bf22e8e18db1638673f47591a13d18ee58d8c6019314bab5a90be82ae3dc9538

      SHA512

      6a54be1fa549633a2fd888c559207437b8f6efda98bb18d491c8749f39e9754f1e680fa8e2d623777b5f665b2c04d19385c75ce4e61fb251db16018963a9a6f9

    • 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/1628-6-0x0000000010000000-0x0000000010012000-memory.dmp
      Filesize

      72KB