Overview

overview

10

Static

static

10

b2d68a79a6...in.exe

windows7_x64

10

b2d68a79a6...in.exe

windows10_x64

10

Analysis

  • max time kernel
    84s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:17

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General

  • Target

    b2d68a79a621c3f9e46f9df52ed19b8fec22c3cf5f4e3d8630a2bc68fd43d2ee.bin.exe

  • Size

    69KB

  • MD5

    f957f19cd9d71abe3cb980ebe7f75d72

  • SHA1

    96432d979fdec055e4f40845a27cf4a9c0a0a34b

  • SHA256

    b2d68a79a621c3f9e46f9df52ed19b8fec22c3cf5f4e3d8630a2bc68fd43d2ee

  • SHA512

    26a1375d5893ee5e80ba2e47d92ed559f82acd539dcff785bbc52e7df226655192047e5b6f80e61f8076dab42f28d48e04e3fd4f80309cc4d0720a50db4393f7

Score
10/10
persistenceransomwarespyware

Malware Config

Extracted

Path

C:\Users\Public\Libraries\3FD972-Readme.txt

Ransom Note
Hi InventUsPower, Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd972 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_3fd972: gfDw6d1wnoHdp6qTd9bh5Dv7YdsfDJ1mHX6IM3xHDKl8jhogCk IvtDbFDgsGAd+vlg3XBrfnNnBJQXBYDD1ssaFMQMiI+7Buqxa+ HvnYhCvQ2mYD7fE8IOBk7ExgeYgvScT8pl+Raf+ig4y3g4vTOm 4DOlptEStywh6RgR9t2XQsTH9xC5Y7n0L9aVCJn/tXIUqO0f4h ucGXY1RcezRsGe7AQbV2Y1rT9DnCQ4N50Kq4s/aFG0SVvR36do +vzN2K3q4M/N6jhUNmdMDBPp9k20ByynRuVjc/WQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\3FD972-Readme.txt

Ransom Note
Hi InventUsPower, Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd972 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_3fd972: gfDw6d1wnoHdp6qTd9bh5Dv7YdsfDJ1mHX6IM3xHDKl8jhogCk IvtDbFDgsGAd+vlg3XBrfnNnBJQXBYDD1ssaFMQMiI+7Buqxa+ HvnYhCvQ2mYD7fE8IOBk7ExgeYgvScT8pl+Raf+ig4y3g4vTOm 4DOlptEStywh6RgR9t2XQsTH9xC5Y7n0L9aVCJn/tXIUqO0f4h ucGXY1RcezRsGe7AQbV2Y1rT9DnCQ4N50Kq4s/aFG0SVvR36do +vzN2K3q4M/N6jhUNmdMDBPp9k20ByynRuVjc/WQ==}Hi InventUsPower, Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd972 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_3fd972: gfDw6d1wnoHdp6qTd9bh5Dv7YdsfDJ1mHX6IM3xHDKl8jhogCk IvtDbFDgsGAd+vlg3XBrfnNnBJQXBYDD1ssaFMQMiI+7Buqxa+ HvnYhCvQ2mYD7fE8IOBk7ExgeYgvScT8pl+Raf+ig4y3g4vTOm 4DOlptEStywh6RgR9t2XQsTH9xC5Y7n0L9aVCJn/tXIUqO0f4h ucGXY1RcezRsGe7AQbV2Y1rT9DnCQ4N50Kq4s/aFG0SVvR36do +vzN2K3q4M/N6jhUNmdMDBPp9k20ByynRuVjc/WQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\Java\jdk1.8.0_66\jre\lib\3FD972-Readme.txt

Ransom Note
Hi InventUsPower, Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd972 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_3fd972: gfDw6d1wnoHdp6qTd9bh5Dv7YdsfDJ1mHX6IM3xHDKl8jhogCk IvtDbFDgsGAd+vlg3XBrfnNnBJQXBYDD1ssaFMQMiI+7Buqxa+ HvnYhCvQ2mYD7fE8IOBk7ExgeYgvScT8pl+Raf+ig4y3g4vTOm 4DOlptEStywh6RgR9t2XQsTH9xC5Y7n0L9aVCJn/tXIUqO0f4h ucGXY1RcezRsGe7AQbV2Y1rT9DnCQ4N50Kq4s/aFG0SVvR36do +vzN2K3q4M/N6jhUNmdMDBPp9k20ByynRuVjc/WQ==}Hi InventUsPower, Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd972 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_3fd972: gfDw6d1wnoHdp6qTd9bh5Dv7YdsfDJ1mHX6IM3xHDKl8jhogCk IvtDbFDgsGAd+vlg3XBrfnNnBJQXBYDD1ssaFMQMiI+7Buqxa+ HvnYhCvQ2mYD7fE8IOBk7ExgeYgvScT8pl+Raf+ig4y3g4vTOm 4DOlptEStywh6RgR9t2XQsTH9xC5Y7n0L9aVCJn/tXIUqO0f4h ucGXY1RcezRsGe7AQbV2Y1rT9DnCQ4N50Kq4s/aFG0SVvR36do +vzN2K3q4M/N6jhUNmdMDBPp9k20ByynRuVjc/WQ==}Hi InventUsPower, Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd972 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_3fd972: gfDw6d1wnoHdp6qTd9bh5Dv7YdsfDJ1mHX6IM3xHDKl8jhogCk IvtDbFDgsGAd+vlg3XBrfnNnBJQXBYDD1ssaFMQMiI+7Buqxa+ HvnYhCvQ2mYD7fE8IOBk7ExgeYgvScT8pl+Raf+ig4y3g4vTOm 4DOlptEStywh6RgR9t2XQsTH9xC5Y7n0L9aVCJn/tXIUqO0f4h ucGXY1RcezRsGe7AQbV2Y1rT9DnCQ4N50Kq4s/aFG0SVvR36do +vzN2K3q4M/N6jhUNmdMDBPp9k20ByynRuVjc/WQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 17177 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 19868 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2d68a79a621c3f9e46f9df52ed19b8fec22c3cf5f4e3d8630a2bc68fd43d2ee.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\b2d68a79a621c3f9e46f9df52ed19b8fec22c3cf5f4e3d8630a2bc68fd43d2ee.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:4140
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\3FD972-Readme.txt"
      2⤵
        PID:2544
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\7B3C.tmp.bat"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6208
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 4656
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:10200
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:7940

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7B3C.tmp.bat
      MD5

      2a31d89636eb7e87032d40bc3cbc36a9

      SHA1

      e5c8c1060f347ba1367c77f103b3771fe11b0206

      SHA256

      817cc539b386699db8e38ce76e99fbfc820fe1910bb77e6d6734c7e3fb134552

      SHA512

      d9fbe5f18ccdd7a5257f202904518576ca03a5628b4decf415ccb518b99b97329e3d6b345964126040068a1f13b09617dcaaca2ac2943fe544537e3161e657c0

      Download Submit
    • C:\Users\Admin\Desktop\3FD972-Readme.txt
      MD5

      4c481fef4621f3c9b9cba5dfc93a434c

      SHA1

      8ac53885b110d785966baf778f564e40427d6182

      SHA256

      79e64653b194cb712691db8ace6e81b0ad452e07a22d04f56c8ea877522aeed1

      SHA512

      f70226dbbb9e8d6ea5ff5218128daa67002571c36b8630729f48152b48175c1f9ba5a293b2a6052b69cd83736bbda124e98e56c8bffd5dd8b26fa32d497df06a

      Download Submit
    • memory/2544-1-0x0000000000000000-mapping.dmp
      Download
    • memory/4140-0-0x0000000000000000-mapping.dmp
      Download
    • memory/6208-2-0x0000000000000000-mapping.dmp
      Download
    • memory/10200-4-0x0000000000000000-mapping.dmp
      Download