Analysis

  • max time kernel
    86s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:17

General

  • Target

    02cb34da6e620d9428f9c8f375fe96a397464d272f723abd8296c4b420fb0e77.exe

  • Size

    69KB

  • MD5

    4e59fba21c5e9ec603f28a92d9efd8d0

  • SHA1

    e57731be1f15c323a7b55b914a0599722ff3985f

  • SHA256

    02cb34da6e620d9428f9c8f375fe96a397464d272f723abd8296c4b420fb0e77

  • SHA512

    80c0a9a8e0ef48c7ca23136cf84eaab568f5dc261ecd348916a382098d8ffa24144637afda5c0649886f2484e8855c6a16c34b0b1c2fe008480a1d035f8dab65

Malware Config

Extracted

Path

C:\odt\3B3F82-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Downloads\3B3F82-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Desktop\3B3F82-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\3B3F82-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3b3f82 -- 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_3b3f82: rvDaGhRQ/en3IeK8OSRFtZFKrKQKqV0ddEMGcYhaVkmP26ykNa LORsXBnARbVUL1kRhtKVvSUjQivqjolciw44R2ukn2gSZLTAuG pCayA54HCDxL7iB9pOYsMhj6UD0qtZB3zCsM8Dby8OjkuzAptA 6XqeAs0wvIjFd6RGMva0r9I17AARQ8jDZNOWMxYTdUNsVFaAmz IJuEBGTLZ1QogYx3rCKpLGD7okhJpbxYME0ZIgrRgZpEACx2h7 qU3VsNDyg3DhzFdQHwIa7/24JNJNIy7xiGD2IULA==}
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.

  • 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 17153 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 19010 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02cb34da6e620d9428f9c8f375fe96a397464d272f723abd8296c4b420fb0e77.exe
    "C:\Users\Admin\AppData\Local\Temp\02cb34da6e620d9428f9c8f375fe96a397464d272f723abd8296c4b420fb0e77.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:3480
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\3B3F82-Readme.txt"
      2⤵
        PID:5456
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\80C9.tmp.bat"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6724
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 4776
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:7392
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:5644

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\80C9.tmp.bat

      MD5

      cebfe5d54a44c951f6c3b8d88bca596c

      SHA1

      a78a8029c2c8b77031bad0e2eb8f59a43f8f4e62

      SHA256

      e192b9ff07a03b5b2c121be46e5e635dbc66b66e0a2f402146c48f5b2fb4ec9d

      SHA512

      9e2eebada684250e6e3302efa1b9bcf7128696afcb1d06f35fffd0b9cacf0f3d523a0ee277b080ed11454408f36e229629a0fbb268470709632c5ea8004a115e

    • C:\Users\Admin\Desktop\3B3F82-Readme.txt

      MD5

      5f0cad1817deb4e7af4ebdf16823c2fc

      SHA1

      d9db24785cd50d5015e37bc2e4e5440516e8ec1a

      SHA256

      029c8ba14af36935ed59a0771def93b1d0ee483e3778e4aa01feef65058efa2a

      SHA512

      13cf39fc8c9e81a830fad7d1c8cba57b837fcacf03975261cf89c790986f372d4a9295dea940207a80820e37e292b201508204efd6fc9b3395393cf4ce250d40

    • memory/3480-0-0x0000000000000000-mapping.dmp

    • memory/5456-1-0x0000000000000000-mapping.dmp

    • memory/6724-2-0x0000000000000000-mapping.dmp

    • memory/7392-4-0x0000000000000000-mapping.dmp