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Analysis

  • max time kernel
    1050s
  • max time network
    852s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    07/07/2024, 14:07

General

  • Target
    RansomwareSamples/BlackKingdom_23_03_2021_12460KB.exe
  • Size 12.2MB
  • Sample240707-rfgd8atekm
  • SHA256 c4aa94c73a50b2deca0401f97e4202337e522be3df629b3ef91e706488b64908
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\MSOCache\All Users\decrypt_file.TxT

Ransom Note
  • *************************** | We Are Back ? *************************** We hacked your (( Network )), and now all files, documents, images, databases and other important data are safely encrypted using the strongest algorithms ever. You cannot access any of your files or services . But do not worry. You can restore everthing and get back business very soon ( depends on your actions ) before I tell how you can restore your data, you have to know certain things : We have downloaded most of your data ( especially important data ) , and if you don't contact us within 2 days, your data will be released to the public. To see what happens to those who didn't contact us, just google : ( Blackkingdom Ransomware ) *************************** | What guarantees ? *************************** We understand your stress and anxiety. So you have a free opportunity to test our service by instantly decrypting one or two files for free just send the files you want to decrypt to ([email protected] *************************************************** | How to contact us and recover all of your files ? *************************************************** The only way to recover your files and protect from data leaks, is to purchase a unique private key for you that we only posses . [ + ] Instructions: 1- Send the decrypt_file.txt file to the following email ===> [email protected] 2- send the following amount of US dollars ( 10,000 ) worth of bitcoin to this address : [ 1Lf8ZzcEhhRiXpk6YNQFpCJcUisiXb34FT ] 3- confirm your payment by sending the transfer url to our email address 4- After you submit the payment, the data will be removed from our servers, and the decoder will be given to you, so that you can recover all your files. ## Note ## Dear system administrators, do not think you can handle it on your own. Notify your supervisors as soon as possible. By hiding the truth and not communicating with us, what happened will be published on social media and yet in news websites. Your ID ==> OUqg7YTEJ2TZSJrCSpsx
Wallets
  • 1Lf8ZzcEhhRiXpk6YNQFpCJcUisiXb34FT

Signatures

  • Loads dropped DLL 64 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\BlackKingdom_23_03_2021_12460KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\BlackKingdom_23_03_2021_12460KB.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\BlackKingdom_23_03_2021_12460KB.exe
      "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\BlackKingdom_23_03_2021_12460KB.exe"
      2⤵
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell Get-Service *sql*|Stop-Service -Force 2>$null
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell Get-Service *sql*
          4⤵
            PID:2116
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c powershell rm (Get-PSReadlineOption).HistorySavePath
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2508
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell rm (Get-PSReadlineOption).HistorySavePath
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1512

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          decrypt_file.TxT

          • Path C:\MSOCache\All Users\decrypt_file.TxT
          • Size 2KB
          • SHA256 92c20f2dec60355d5114eee80e9b5e8d112e827ea430ddbd6bb33a640fbb541b
          • MD5 SHA1 SHA512

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\_ctypes.pyd
          • Size 129KB
          • SHA256 430f1886caf059f05cde6eb2e8d96feb25982749a151231e471e4b8d7f54f173
          • MD5 SHA1 SHA512 SSDEEP

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\_hashlib.pyd
          • Size 38KB
          • SHA256 ca4f433a68c3921526f31f46d8a45709b946bbd40f04a4cfc6c245cb9ee0eab5
          • MD5 SHA1 SHA512 SSDEEP

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\_socket.pyd
          • Size 75KB
          • SHA256 9822c258a9d25062e51eafc45d62ed19722e0450a212668f6737eb3bfe3a41c2
          • MD5 SHA1 SHA512 SSDEEP

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\_ssl.pyd
          • Size 118KB
          • SHA256 b6593b3af0e993fd5043a7eab327409f4bf8cdcd8336aca97dbe6325aefdb047
          • MD5 SHA1 SHA512 SSDEEP

          _tkinter.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\_tkinter.pyd
          • Size 68KB
          • SHA256 34d89fe378fc10351d127fb85427449f31595eccf9f5d17760b36709dd1449b9
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-file-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-core-file-l1-2-0.dll
          • Size 20KB
          • SHA256 27878021c6d48fb669f1822821b5934f5a2904740bebb340b6849e7635490cb7
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-file-l2-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-core-file-l2-1-0.dll
          • Size 20KB
          • SHA256 c55eb043454ac2d460f86ea26f934ecb16bdb1d05294c168193a05090bf1c56c
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-localization-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-core-localization-l1-2-0.dll
          • Size 22KB
          • SHA256 646b28a20208be68439d73efa21be59e12ed0a5fe9e63e5d3057ca7b84bc6641
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-processthreads-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-core-processthreads-l1-1-1.dll
          • Size 20KB
          • SHA256 51a73fbfa2afe5e45962031618ec347aaa0857b11f3cf273f4c218354bfe70cb
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-timezone-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-core-timezone-l1-1-0.dll
          • Size 20KB
          • SHA256 d7ab47157bff1b2347e7ae945517b4fc256425939ba7b6288ff85a51931568a7
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-convert-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-convert-l1-1-0.dll
          • Size 24KB
          • SHA256 983f4d4c7b7330e7f5f091080c1e81905575ebccd97e11dff8a064979ec8d9b8
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-filesystem-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-filesystem-l1-1-0.dll
          • Size 22KB
          • SHA256 ab2158fe6b354fb429f57f374ca25105b44e97edcbdc1b752650d895dadd6fd1
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-math-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-math-l1-1-0.dll
          • Size 28KB
          • SHA256 7c3336c3a50bf3b4c5492c0d085519c040878243e9f7d3ea9f6a2e35c8f1f374
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-process-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-process-l1-1-0.dll
          • Size 21KB
          • SHA256 12bb3f480ec115d5f9447414525c5dcd236ed48356d5a70650541c9499bc4d19
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-runtime-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-runtime-l1-1-0.dll
          • Size 24KB
          • SHA256 57fe2bab2acb1184a468e45cebe7609a2986d5220bb2d82592b9ca6e22384f89
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-stdio-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-stdio-l1-1-0.dll
          • Size 26KB
          • SHA256 e6a1ef1f7c1957c50a3d9c1d70c0f7b0d8badc7f279cd056eb179dc256bfefda
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-string-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-string-l1-1-0.dll
          • Size 26KB
          • SHA256 e71d517e6b7039437e3fc449d8ad12eeeca0d5c8ed1c500555344fd90ddc3207
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-time-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-time-l1-1-0.dll
          • Size 22KB
          • SHA256 c3a70153e1d0ecd1cbf95de033bfef5cfecabe7a8274cafe272cc2c14865cd8c
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-utility-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-utility-l1-1-0.dll
          • Size 20KB
          • SHA256 af1e1b84f066ba05da20847bffd874d80a810b5407f8c6647b3ff9e8f7d37863
          • MD5 SHA1 SHA512 SSDEEP

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\base_library.zip
          • Size 762KB
          • SHA256 766089d80d0136ce9a4f24f1dd717a8575b0075c5d9c3c72b84807e0647ffa2c
          • MD5 SHA1 SHA512 SSDEEP

          libcrypto-1_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\libcrypto-1_1.dll
          • Size 3.2MB
          • SHA256 594303e2ce6a4a02439054c84592791bf4ab0b7c12e9bbdb4b040e27251521f1
          • MD5 SHA1 SHA512 SSDEEP

          python37.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\python37.dll
          • Size 3.6MB
          • SHA256 ca8e39f2b1d277b0a24a43b5b8eada5baf2de97488f7ef2484014df6e270b3f3
          • MD5 SHA1 SHA512 SSDEEP

          pywintypes37.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\pywintypes37.dll
          • Size 136KB
          • SHA256 780a72ba3215ff413d5a9e98861d8bb87c15c43a75bb81dc985034ae7dcf5ef6
          • MD5 SHA1 SHA512 SSDEEP

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\select.pyd
          • Size 26KB
          • SHA256 65a3c8806d456e9df2211051ed808a087a96c94d38e23d43121ac120b4d36429
          • MD5 SHA1 SHA512 SSDEEP

          tcl86t.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\tcl86t.dll
          • Size 1.6MB
          • SHA256 f650d6bc321bcda3fc3ac3dec3ac4e473fb0b7b68b6c948581bcfc54653e6768
          • MD5 SHA1 SHA512 SSDEEP

          tk86t.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\tk86t.dll
          • Size 1.4MB
          • SHA256 1a6d0871be2fa7153de22be008a20a5257b721657e6d4b24da8b1f940345d0d5
          • MD5 SHA1 SHA512 SSDEEP

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28042\ucrtbase.dll
          • Size 1002KB
          • SHA256 eb89af5911a60d892a685181c397d32b72c61dc2ad77dd45b8cac0fbb7602b84
          • MD5 SHA1 SHA512 SSDEEP

          VCRUNTIME140.dll

          • Path \Users\Admin\AppData\Local\Temp\_MEI28042\VCRUNTIME140.dll
          • Size 85KB
          • SHA256 3096cafb6a21b6d28cf4fe2dd85814f599412c0fe1ef090dd08d1c03affe9ab6
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-conio-l1-1-0.dll

          • Path \Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-conio-l1-1-0.dll
          • Size 21KB
          • SHA256 762ca8dd14f8ff603d06811ba904c973a684022202476bca45e9dc1345151ac4
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-environment-l1-1-0.dll

          • Path \Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-environment-l1-1-0.dll
          • Size 20KB
          • SHA256 67bbb287b2e9057bf8b412ad2faa266321ac28c6e6ba5f22169e2517a3ead248
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-heap-l1-1-0.dll

          • Path \Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-heap-l1-1-0.dll
          • Size 21KB
          • SHA256 2ee3d52640d84ac4f7f7ddfe748f51baa6fd0d492286c781251222420e85ca97
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-crt-locale-l1-1-0.dll

          • Path \Users\Admin\AppData\Local\Temp\_MEI28042\api-ms-win-crt-locale-l1-1-0.dll
          • Size 20KB
          • SHA256 c36f5c0ac5d91a8417866dd4d8c670c2192ba83364693e7438282fb8678c3d1e
          • MD5 SHA1 SHA512 SSDEEP

          libssl-1_1.dll

          • Path \Users\Admin\AppData\Local\Temp\_MEI28042\libssl-1_1.dll
          • Size 673KB
          • SHA256 9d4cf1c03629f92662fc8d7e3f1094a7fc93cb41634994464b853df8036af843
          • MD5 SHA1 SHA512 SSDEEP

          memory/1512-1099-0x000007FEF48BE000-0x000007FEF48BF000-memory.dmp

          memory/1512-1101-0x00000000021D0000-0x00000000021D8000-memory.dmp

          memory/1512-1102-0x000007FEF4600000-0x000007FEF4F9D000-memory.dmp

          memory/1512-1103-0x000007FEF4600000-0x000007FEF4F9D000-memory.dmp

          memory/1512-1104-0x000007FEF4600000-0x000007FEF4F9D000-memory.dmp

          memory/1512-1105-0x000007FEF4600000-0x000007FEF4F9D000-memory.dmp

          memory/1512-1106-0x000007FEF4600000-0x000007FEF4F9D000-memory.dmp

          memory/1512-1100-0x000000001B900000-0x000000001BBE2000-memory.dmp