Overview

overview

10

Static

static

10

12717add64...in.exe

windows7_x64

10

12717add64...in.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:17

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General

  • Target

    12717add64ecf32d7bcb6b2662becbff6b516cf8073f399dc5e4d3615d452e89.bin.exe

  • Size

    69KB

  • MD5

    0537d845ba099c6f2b708124eda13f1c

  • SHA1

    3fb77d821ea7ec2b30fd3944c3d9361093a58cd6

  • SHA256

    12717add64ecf32d7bcb6b2662becbff6b516cf8073f399dc5e4d3615d452e89

  • SHA512

    dde034b4a807c1ac4d292df6945f4bd1eed42b021228318f4693b4af25301dec48b6173dec8b1a4bb573ba04d70f49454e003f72753eb0dfad939f28bd553d93

Score
10/10
netwalkerpersistenceransomwarespyware

Malware Config

Extracted

Path

C:\Users\Admin\E02CFE-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .e02cfe -- 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_e02cfe: 881XC1P1fcdO6C6QUyWa7o+eF6jBoI+4D3z9qFXg9X+m1CZvIg N/BemqBRpsBIHHnkYvN/tkCDjbTm3TTrAFxpO7MFEzGYRbxSFL k1D76f04DePtFXRiJFYzcklRoc4UNM6J9ePupVkheaaF+jfyIo JbUUL0xguS1mEdnUehwbCXKSHhVoGOhcjYmMITAwPtZguPrmNc oBQ6SvaCdzTSeAbEOjgSZz7S7GJCeCNXVomSmKMZwUMNPXfuRU pTCBxaXpR9elWd6dmGF2iFyKy9DBxSvA+LaSnDDQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\ProgramData\Microsoft Help\E02CFE-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .e02cfe -- 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_e02cfe: 881XC1P1fcdO6C6QUyWa7o+eF6jBoI+4D3z9qFXg9X+m1CZvIg N/BemqBRpsBIHHnkYvN/tkCDjbTm3TTrAFxpO7MFEzGYRbxSFL k1D76f04DePtFXRiJFYzcklRoc4UNM6J9ePupVkheaaF+jfyIo JbUUL0xguS1mEdnUehwbCXKSHhVoGOhcjYmMITAwPtZguPrmNc oBQ6SvaCdzTSeAbEOjgSZz7S7GJCeCNXVomSmKMZwUMNPXfuRU pTCBxaXpR9elWd6dmGF2iFyKy9DBxSvA+LaSnDDQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .e02cfe -- 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_e02cfe: 881XC1P1fcdO6C6QUyWa7o+eF6jBoI+4D3z9qFXg9X+m1CZvIg N/BemqBRpsBIHHnkYvN/tkCDjbTm3TTrAFxpO7MFEzGYRbxSFL k1D76f04DePtFXRiJFYzcklRoc4UNM6J9ePupVkheaaF+jfyIo JbUUL0xguS1mEdnUehwbCXKSHhVoGOhcjYmMITAwPtZguPrmNc oBQ6SvaCdzTSeAbEOjgSZz7S7GJCeCNXVomSmKMZwUMNPXfuRU pTCBxaXpR9elWd6dmGF2iFyKy9DBxSvA+LaSnDDQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .e02cfe -- 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_e02cfe: 881XC1P1fcdO6C6QUyWa7o+eF6jBoI+4D3z9qFXg9X+m1CZvIg N/BemqBRpsBIHHnkYvN/tkCDjbTm3TTrAFxpO7MFEzGYRbxSFL k1D76f04DePtFXRiJFYzcklRoc4UNM6J9ePupVkheaaF+jfyIo JbUUL0xguS1mEdnUehwbCXKSHhVoGOhcjYmMITAwPtZguPrmNc oBQ6SvaCdzTSeAbEOjgSZz7S7GJCeCNXVomSmKMZwUMNPXfuRU pTCBxaXpR9elWd6dmGF2iFyKy9DBxSvA+LaSnDDQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\E02CFE-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .e02cfe -- 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_e02cfe: 881XC1P1fcdO6C6QUyWa7o+eF6jBoI+4D3z9qFXg9X+m1CZvIg N/BemqBRpsBIHHnkYvN/tkCDjbTm3TTrAFxpO7MFEzGYRbxSFL k1D76f04DePtFXRiJFYzcklRoc4UNM6J9ePupVkheaaF+jfyIo JbUUL0xguS1mEdnUehwbCXKSHhVoGOhcjYmMITAwPtZguPrmNc oBQ6SvaCdzTSeAbEOjgSZz7S7GJCeCNXVomSmKMZwUMNPXfuRU pTCBxaXpR9elWd6dmGF2iFyKy9DBxSvA+LaSnDDQ==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .e02cfe -- 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_e02cfe: 881XC1P1fcdO6C6QUyWa7o+eF6jBoI+4D3z9qFXg9X+m1CZvIg N/BemqBRpsBIHHnkYvN/tkCDjbTm3TTrAFxpO7MFEzGYRbxSFL k1D76f04DePtFXRiJFYzcklRoc4UNM6J9ePupVkheaaF+jfyIo JbUUL0xguS1mEdnUehwbCXKSHhVoGOhcjYmMITAwPtZguPrmNc oBQ6SvaCdzTSeAbEOjgSZz7S7GJCeCNXVomSmKMZwUMNPXfuRU pTCBxaXpR9elWd6dmGF2iFyKy9DBxSvA+LaSnDDQ==}
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 9 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 7492 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 23598 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12717add64ecf32d7bcb6b2662becbff6b516cf8073f399dc5e4d3615d452e89.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\12717add64ecf32d7bcb6b2662becbff6b516cf8073f399dc5e4d3615d452e89.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:1664
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1936
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\E02CFE-Readme.txt"
      2⤵
        PID:3132
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:1056

    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

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    Downloads

    • memory/1936-0-0x0000000000000000-mapping.dmp
      Download