Overview

overview

10

Static

static

8c5ce574ae...in.dll

windows7_x64

10

8c5ce574ae...in.dll

windows10_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:17

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General

  • Target

    8c5ce574ae676e0687e803e78c52e3c8672f7dbc4a63655c1067f2849135da25.bin.dll

  • Size

    57KB

  • MD5

    9fb87ac9c00ea780bad678cb5bde676c

  • SHA1

    887ba63ac7c37bb418f43cc5d978f1d2695df46c

  • SHA256

    8c5ce574ae676e0687e803e78c52e3c8672f7dbc4a63655c1067f2849135da25

  • SHA512

    ea16de3b0fcdf71214617a78d319f150653718ff6bd589290a085534c23e5cbc5c6e03cc79bb528d9e088373923faa66c8e37517b467c5f5f63d6b939c9baf97

Score
10/10
netwalkerransomwarespyware

Malware Config

Extracted

Path

C:\Program Files\Microsoft Office\Office14\6E3720-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .6e3720 -- 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_6e3720: GR5uood2O138M7ku8wmvziXR026JheEpDCPLOpXoeoexclRtz/ xIoDOkG+WKQni3CdtTzqFGMS8SliNtPiWfRJ1zIfDvBQ5YUMkL VqlImDth2JBUzvn0UOOMcAD/kazUhQPSTooRRd8u3ARIMvbR1K N71NElC/P0GcLjAvgxSbSna4y4RIwTdRsHIBGbNDFKG7H8KkkG uz9jESWXjgO6ytsE+5CjSV00xmkb+JM8Nr2M4HsO56TiIY8pKQ iqHm5OTaw0uUIHTczySFS3Y3uLm2NG9gTe8W2/jg==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\6E3720-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .6e3720 -- 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_6e3720: GR5uood2O138M7ku8wmvziXR026JheEpDCPLOpXoeoexclRtz/ xIoDOkG+WKQni3CdtTzqFGMS8SliNtPiWfRJ1zIfDvBQ5YUMkL VqlImDth2JBUzvn0UOOMcAD/kazUhQPSTooRRd8u3ARIMvbR1K N71NElC/P0GcLjAvgxSbSna4y4RIwTdRsHIBGbNDFKG7H8KkkG uz9jESWXjgO6ytsE+5CjSV00xmkb+JM8Nr2M4HsO56TiIY8pKQ iqHm5OTaw0uUIHTczySFS3Y3uLm2NG9gTe8W2/jg==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .6e3720 -- 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_6e3720: GR5uood2O138M7ku8wmvziXR026JheEpDCPLOpXoeoexclRtz/ xIoDOkG+WKQni3CdtTzqFGMS8SliNtPiWfRJ1zIfDvBQ5YUMkL VqlImDth2JBUzvn0UOOMcAD/kazUhQPSTooRRd8u3ARIMvbR1K N71NElC/P0GcLjAvgxSbSna4y4RIwTdRsHIBGbNDFKG7H8KkkG uz9jESWXjgO6ytsE+5CjSV00xmkb+JM8Nr2M4HsO56TiIY8pKQ iqHm5OTaw0uUIHTczySFS3Y3uLm2NG9gTe8W2/jg==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\6E3720-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .6e3720 -- 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_6e3720: GR5uood2O138M7ku8wmvziXR026JheEpDCPLOpXoeoexclRtz/ xIoDOkG+WKQni3CdtTzqFGMS8SliNtPiWfRJ1zIfDvBQ5YUMkL VqlImDth2JBUzvn0UOOMcAD/kazUhQPSTooRRd8u3ARIMvbR1K N71NElC/P0GcLjAvgxSbSna4y4RIwTdRsHIBGbNDFKG7H8KkkG uz9jESWXjgO6ytsE+5CjSV00xmkb+JM8Nr2M4HsO56TiIY8pKQ iqHm5OTaw0uUIHTczySFS3Y3uLm2NG9gTe8W2/jg==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .6e3720 -- 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_6e3720: GR5uood2O138M7ku8wmvziXR026JheEpDCPLOpXoeoexclRtz/ xIoDOkG+WKQni3CdtTzqFGMS8SliNtPiWfRJ1zIfDvBQ5YUMkL VqlImDth2JBUzvn0UOOMcAD/kazUhQPSTooRRd8u3ARIMvbR1K N71NElC/P0GcLjAvgxSbSna4y4RIwTdRsHIBGbNDFKG7H8KkkG uz9jESWXjgO6ytsE+5CjSV00xmkb+JM8Nr2M4HsO56TiIY8pKQ iqHm5OTaw0uUIHTczySFS3Y3uLm2NG9gTe8W2/jg==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .6e3720 -- 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_6e3720: GR5uood2O138M7ku8wmvziXR026JheEpDCPLOpXoeoexclRtz/ xIoDOkG+WKQni3CdtTzqFGMS8SliNtPiWfRJ1zIfDvBQ5YUMkL VqlImDth2JBUzvn0UOOMcAD/kazUhQPSTooRRd8u3ARIMvbR1K N71NElC/P0GcLjAvgxSbSna4y4RIwTdRsHIBGbNDFKG7H8KkkG uz9jESWXjgO6ytsE+5CjSV00xmkb+JM8Nr2M4HsO56TiIY8pKQ iqHm5OTaw0uUIHTczySFS3Y3uLm2NG9gTe8W2/jg==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Modifies extensions of user files 6 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
  • Drops file in Program Files directory 4101 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c5ce574ae676e0687e803e78c52e3c8672f7dbc4a63655c1067f2849135da25.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c5ce574ae676e0687e803e78c52e3c8672f7dbc4a63655c1067f2849135da25.bin.dll,#1
      2⤵
      • Modifies extensions of user files
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1652-0-0x0000000000000000-mapping.dmp
    Download