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Analysis

  • max time kernel
    162s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 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
  • 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 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

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:4752
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 209001715396870.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
          PID:776
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2424
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4912
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1448
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3012
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2400
    • 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=1420 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:964

      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

        e00163475ee7224a4c5b9ae214f3e566

        SHA1

        05ecf65a5c051851ada4467b0490d6377f97f532

        SHA256

        c34ed0b77b612daf9d19a901e4bd29b8c4f55ad2d4967a043f9e15a8225823e3

        SHA512

        9909226f17eb0bb1355772407f3eb7e60a73f1d5c55c57b1151d86ea76248766d763b70c436a78448c9c148a1298a111e5766c62fff15deb5332b474848941b8

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

        Filesize

        136B

        MD5

        0032d0842737f19aec28d0d5824135ee

        SHA1

        2bee75454235f32af4d252a5c8829de4614c888a

        SHA256

        74c228780bff74df4c6f50be6008ea2901a523fb5b8985b02cdc67338dde40d2

        SHA512

        fd39b38878e05fdcbbba18cc3ec7e97f2d8c63a2ad13d2b4671d7e5dcedcff132a725f872c7a037419fa6b8e8d2a69ba42c8c0b60a6fec83d0732489778c5f73

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

        Filesize

        136B

        MD5

        5ffb0180253b45ae690685ce320e424d

        SHA1

        90612942a30cfe0375cab1d60e5f001c55cdbef4

        SHA256

        98769443bba2859e31072465a0f81cc8328495c814fe64932bbd178f664becf2

        SHA512

        525aa92b2c3977b1d4085c8a4f36aa72647b6d66328f783cfa1c25f8d11e8574370e5635434435f72177dd53746bf6a183a12f616218cb6171d3e4e58ec50e2f

      • C:\Users\Admin\AppData\Local\Temp\209001715396870.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

        ba721ba185daca3b688e718da6cd07de

        SHA1

        712318ce60ad7042f6f75737d1628c36ce4ac0ad

        SHA256

        49e6d6d5b43223d0a6695974e39a441eea443bc12bc0b81c68b0363a4e31e289

        SHA512

        108236e6a5a0ed27cb315df71480c63c35b2f12352ce6f01f4c4b1486f0e0eba50d3bbfbe52f1d9a783459cac61c788897c3f43cb057e8c7fcd761c2003a0824

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

        Filesize

        236KB

        MD5

        cf1416074cd7791ab80a18f9e7e219d9

        SHA1

        276d2ec82c518d887a8a3608e51c56fa28716ded

        SHA256

        78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

        SHA512

        0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

      • memory/4752-7-0x0000000010000000-0x0000000010012000-memory.dmp

        Filesize

        72KB