Analysis

  • max time kernel
    154s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:34

General

  • Target

    ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639.exe

  • Size

    339KB

  • MD5

    04a49504445bb4530635e4a6708f7ac5

  • SHA1

    facee6d8339630117bf9e87a60d8cc659208a34d

  • SHA256

    ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639

  • SHA512

    bb261805a96d583342395013f15832fd3aaffed299355be8a38a9407ad03e21edb592613b4cc1654fc68817589fe24335077d3a5cc07678753f3c9449d1b36c5

  • SSDEEP

    6144:Q2wtqGbXhN6WwBjkrwdMvz7qu8T5B2U0TOOApIJY7e/ASaEbwwUFLq49aW:vGvwBQrKMo10KFC65wwwUFLq49aW

Score
10/10

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\_ReCoVeRy_+wtsed.txt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 Key , both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So , there are two ways you can choose: wait for a miracle and get your price doubled , or start obtaining BITCOIN NOW !!!!! , and restore your data easy way If You have really valuable data, you better not waste your time, because there is no other way to get your files , except make a payment For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below * http://t54ndnku456ngkwsudqer.wallymac.com/537CD241E7F36ADA * http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/537CD241E7F36ADA * http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/537CD241E7F36ADA If for some reasons the addresses are not available, follow these steps * Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en * After a successful installation, run the browser * Type in the address bar: xlowfznrg4wf7dli.onion/537CD241E7F36ADA * Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://t54ndnku456ngkwsudqer.wallymac.com/537CD241E7F36ADA http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/537CD241E7F36ADA http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/537CD241E7F36ADA
URLs

http://t54ndnku456ngkwsudqer.wallymac.com/537CD241E7F36ADA

http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/537CD241E7F36ADA

http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/537CD241E7F36ADA

http://xlowfznrg4wf7dli.onion/537CD241E7F36ADA

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639.exe
    "C:\Users\Admin\AppData\Local\Temp\ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Users\Admin\AppData\Local\Temp\ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639.exe
      "C:\Users\Admin\AppData\Local\Temp\ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\npgtkwgygsae.exe
        C:\Windows\npgtkwgygsae.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Windows\npgtkwgygsae.exe
          C:\Windows\npgtkwgygsae.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1748
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:572
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\AD84EF~1.EXE
        3⤵
        • Deletes itself
        PID:1756
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\npgtkwgygsae.exe

    Filesize

    339KB

    MD5

    04a49504445bb4530635e4a6708f7ac5

    SHA1

    facee6d8339630117bf9e87a60d8cc659208a34d

    SHA256

    ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639

    SHA512

    bb261805a96d583342395013f15832fd3aaffed299355be8a38a9407ad03e21edb592613b4cc1654fc68817589fe24335077d3a5cc07678753f3c9449d1b36c5

  • C:\Windows\npgtkwgygsae.exe

    Filesize

    339KB

    MD5

    04a49504445bb4530635e4a6708f7ac5

    SHA1

    facee6d8339630117bf9e87a60d8cc659208a34d

    SHA256

    ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639

    SHA512

    bb261805a96d583342395013f15832fd3aaffed299355be8a38a9407ad03e21edb592613b4cc1654fc68817589fe24335077d3a5cc07678753f3c9449d1b36c5

  • C:\Windows\npgtkwgygsae.exe

    Filesize

    339KB

    MD5

    04a49504445bb4530635e4a6708f7ac5

    SHA1

    facee6d8339630117bf9e87a60d8cc659208a34d

    SHA256

    ad84efb1409e1bef60908409168665dd554bbb7a45c3f5fe7782ff03d0df8639

    SHA512

    bb261805a96d583342395013f15832fd3aaffed299355be8a38a9407ad03e21edb592613b4cc1654fc68817589fe24335077d3a5cc07678753f3c9449d1b36c5

  • memory/872-54-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB

  • memory/872-67-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB

  • memory/1164-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-65-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-69-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

    Filesize

    8KB

  • memory/1164-70-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-71-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-60-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-55-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-75-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-58-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1164-56-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1748-92-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1748-93-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1748-95-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB