Analysis

  • max time kernel
    78s
  • max time network
    107s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:17

General

  • Target

    f298725e197f974b7a8407c5d79114a4ac322c573813d543141ccf1d9119dd8b.bin.exe

  • Size

    69KB

  • MD5

    d09cfda29f178f57dbce6895cfb68372

  • SHA1

    82720e4d3fb83baff552ec25eea0fed2befe94fa

  • SHA256

    f298725e197f974b7a8407c5d79114a4ac322c573813d543141ccf1d9119dd8b

  • SHA512

    443d88fe0838ece8d194830e476d76dc1967c504dd082b77b1b57fe1e23497a84839f5d61d198207bace080b5ba7888c5604e10bf79c9ce5e91077fda5de0a20

Malware Config

Extracted

Path

C:\ProgramData\Oracle\Java\installcache_x64\F78EA9-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Downloads\F78EA9-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\AppData\Local\TileDataLayer\Database\F78EA9-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\modules\F78EA9-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .f78ea9 -- 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_f78ea9: C636YoG36ShlvIeiPQIvHgvjt36WvF4KNpNMEIrwuEJYZwbnpu 0fgMzHf9thEeHwZEoT2xZtR2hDFz6hJ1xIWm7+gZDJshtRvszU floM5b9IefIBH5qVGW0RF39ksNqBvGCAA32CBr9txzFdinWiQ2 0UTh79WPdqyZMK7mRfhO1AoEFvg13f4dptdQXqKD1etFfu7XC7 B7xtn2zyIfV2cC+Aia1Dl9lgFOUkQHi4WaaQB+zg94N9xaBAlv Lx+Ft6dBBGGEeoNMrwQD/4mf6/pElRhhcMbHu7cQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Modifies service 2 TTPs 5 IoCs
  • Drops file in Program Files directory 17199 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17669 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f298725e197f974b7a8407c5d79114a4ac322c573813d543141ccf1d9119dd8b.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\f298725e197f974b7a8407c5d79114a4ac322c573813d543141ccf1d9119dd8b.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:1056
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:3456
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\F78EA9-Readme.txt"
      2⤵
        PID:9432
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\9665.tmp.bat"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:9268
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 1056
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:7936
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:5004

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\9665.tmp.bat

      MD5

      98802b2fcc8a6a874539c75b5c7346c4

      SHA1

      c2015ccbe2dff55bbf8cd2a3fddec4110d895d77

      SHA256

      950930840d0a099488ec790742766e31869ccfbb761d856bff3b9ae468c8d5ca

      SHA512

      517db6135ee75900b0df69ffc9776fc30ea4008b1282ad7530fdb26a94b59239d688596d214e0444111c76cd487255ddecf0a3d106880032c3a967db4b050998

    • C:\Users\Admin\Desktop\F78EA9-Readme.txt

      MD5

      2b772212efbabd128aa85da487db0dee

      SHA1

      5669d14dbb4f09bededda45a4c3ed8f0a5d607f5

      SHA256

      2244cbbf16cd710f55e84ce44afb81246f8db733e7b1208ce823903a0ba3876f

      SHA512

      1da2bf3c5d1568e1278900d8d27bf858beb25ecbb54aac4b6a546da988defb55432b3d1353be6ed172c924c37e13da26465b4bbd2930cecb2c3b25c351443114

    • memory/3456-0-0x0000000000000000-mapping.dmp

    • memory/7936-4-0x0000000000000000-mapping.dmp

    • memory/9268-2-0x0000000000000000-mapping.dmp

    • memory/9432-1-0x0000000000000000-mapping.dmp