Overview

overview

10

Static

static

10

167bf2356e...in.exe

windows7_x64

10

167bf2356e...in.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:17

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General

  • Target

    167bf2356e65b04407cd2d8299a9b315f213808b04c341f6aad5820fc46a3c49.bin.exe

  • Size

    69KB

  • MD5

    9172586c2f870ab76eb0852d1f4dfaea

  • SHA1

    69e858f578fb0e7fdfb1d26db52dd6a95f5802ff

  • SHA256

    167bf2356e65b04407cd2d8299a9b315f213808b04c341f6aad5820fc46a3c49

  • SHA512

    a44bfdb4a86bfd9446015f6eaf4103dcf455ce1b56d38b0307251f1bc5187a036e85de2b2b8cd1d959dd6df13675d8fa64c1a8c60b73845d32897a0c4f360ed4

Score
10/10
netwalkerpersistenceransomwarespyware

Malware Config

Extracted

Path

C:\Program Files\Google\Chrome\Application\5EE731-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\5EE731-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\AppData\Roaming\5EE731-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Documents\5EE731-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5ee731 -- 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_5ee731: yLjwFv7jksQgZ3GgUUerXNR4qOOdDPcDf9DapmwrwaX0DYIEp0 Tjc653CZ8oTN6FSdquCBYA5jd8gzUyVN3686agMOzqtbA3Vj9f uh7njf+fzSQ/guk2ZzW+VFBJbr4M9087IdQ1vyvbR/DlTX93fW BGlBd7X9trwrK2vjleaG3zUs55rFUaBefaWbZn50SA0wnV8fSO g8iFsefuiITNu+MEPV1xzj+KrZiZg3BzERG4OZ4c0XtjJTYzaI fWJxjiBLkCSma7gNf6ei3nV+bdh6GRm3NBx2X4Ow==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 1 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 5396 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 25021 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\167bf2356e65b04407cd2d8299a9b315f213808b04c341f6aad5820fc46a3c49.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\167bf2356e65b04407cd2d8299a9b315f213808b04c341f6aad5820fc46a3c49.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:684
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:2004
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:3108

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

  • memory/2004-0-0x0000000000000000-mapping.dmp
    Download