Overview

overview

10

Static

static

10

26dfa8512e...in.exe

windows7_x64

10

26dfa8512e...in.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:17

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General

  • Target

    26dfa8512e892dc8397c4ccbbe10efbcf85029bc2ad7b6b6fe17d26f946a01bb.bin.exe

  • Size

    69KB

  • MD5

    59b00f607a7550af9a2332c730892845

  • SHA1

    794589026bdc8b01cad097ffcd50be37a87e7c29

  • SHA256

    26dfa8512e892dc8397c4ccbbe10efbcf85029bc2ad7b6b6fe17d26f946a01bb

  • SHA512

    8d79d8ea985174488984ec108b9bf5a51f7f21305fa56c8dd4efed1fa5d977e59630cf90d44581de7f5875647deaaf7e62ca3409317806beec71cefae7141c47

Score
10/10
netwalkerpersistenceransomwarespyware

Malware Config

Extracted

Path

C:\odt\E1ACEA-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1acea -- 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. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_e1acea: o/VhJhgbMEP2Z26+RpKZKBQuGsXSjVFEaZMpgJgrhjrAB53LOw 1SH8IyiVLUTMsGPtr03N0WlehZh5D8kVdSnAxEpK4iMcZ5hTEv Raus2CGLLOMeKgA0NuDjgvwHQVkcujZSJV2uxGNw0wy5ZZAB8z 1UWYXNDaES+f+49/bYkoXFQo74DJ5xRSx1xtXvf2sURPavlXGL XHC4ckdron3GsBVTbefcGpw+IB8RSJKLr7aR34riZcPPAvupfF CqxcYtHznLlUbCHqMahr1RxR5L0FqC7pQsThBrfw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Music\E1ACEA-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1acea -- 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. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_e1acea: o/VhJhgbMEP2Z26+RpKZKBQuGsXSjVFEaZMpgJgrhjrAB53LOw 1SH8IyiVLUTMsGPtr03N0WlehZh5D8kVdSnAxEpK4iMcZ5hTEv Raus2CGLLOMeKgA0NuDjgvwHQVkcujZSJV2uxGNw0wy5ZZAB8z 1UWYXNDaES+f+49/bYkoXFQo74DJ5xRSx1xtXvf2sURPavlXGL XHC4ckdron3GsBVTbefcGpw+IB8RSJKLr7aR34riZcPPAvupfF CqxcYtHznLlUbCHqMahr1RxR5L0FqC7pQsThBrfw==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1acea -- 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. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_e1acea: o/VhJhgbMEP2Z26+RpKZKBQuGsXSjVFEaZMpgJgrhjrAB53LOw 1SH8IyiVLUTMsGPtr03N0WlehZh5D8kVdSnAxEpK4iMcZ5hTEv Raus2CGLLOMeKgA0NuDjgvwHQVkcujZSJV2uxGNw0wy5ZZAB8z 1UWYXNDaES+f+49/bYkoXFQo74DJ5xRSx1xtXvf2sURPavlXGL XHC4ckdron3GsBVTbefcGpw+IB8RSJKLr7aR34riZcPPAvupfF CqxcYtHznLlUbCHqMahr1RxR5L0FqC7pQsThBrfw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\Microsoft Office\root\rsod\E1ACEA-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1acea -- 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. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_e1acea: o/VhJhgbMEP2Z26+RpKZKBQuGsXSjVFEaZMpgJgrhjrAB53LOw 1SH8IyiVLUTMsGPtr03N0WlehZh5D8kVdSnAxEpK4iMcZ5hTEv Raus2CGLLOMeKgA0NuDjgvwHQVkcujZSJV2uxGNw0wy5ZZAB8z 1UWYXNDaES+f+49/bYkoXFQo74DJ5xRSx1xtXvf2sURPavlXGL XHC4ckdron3GsBVTbefcGpw+IB8RSJKLr7aR34riZcPPAvupfF CqxcYtHznLlUbCHqMahr1RxR5L0FqC7pQsThBrfw==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1acea -- 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. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_e1acea: o/VhJhgbMEP2Z26+RpKZKBQuGsXSjVFEaZMpgJgrhjrAB53LOw 1SH8IyiVLUTMsGPtr03N0WlehZh5D8kVdSnAxEpK4iMcZ5hTEv Raus2CGLLOMeKgA0NuDjgvwHQVkcujZSJV2uxGNw0wy5ZZAB8z 1UWYXNDaES+f+49/bYkoXFQo74DJ5xRSx1xtXvf2sURPavlXGL XHC4ckdron3GsBVTbefcGpw+IB8RSJKLr7aR34riZcPPAvupfF CqxcYtHznLlUbCHqMahr1RxR5L0FqC7pQsThBrfw==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1acea -- 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. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_e1acea: o/VhJhgbMEP2Z26+RpKZKBQuGsXSjVFEaZMpgJgrhjrAB53LOw 1SH8IyiVLUTMsGPtr03N0WlehZh5D8kVdSnAxEpK4iMcZ5hTEv Raus2CGLLOMeKgA0NuDjgvwHQVkcujZSJV2uxGNw0wy5ZZAB8z 1UWYXNDaES+f+49/bYkoXFQo74DJ5xRSx1xtXvf2sURPavlXGL XHC4ckdron3GsBVTbefcGpw+IB8RSJKLr7aR34riZcPPAvupfF CqxcYtHznLlUbCHqMahr1RxR5L0FqC7pQsThBrfw==}
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 7 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 14555 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 49824 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26dfa8512e892dc8397c4ccbbe10efbcf85029bc2ad7b6b6fe17d26f946a01bb.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\26dfa8512e892dc8397c4ccbbe10efbcf85029bc2ad7b6b6fe17d26f946a01bb.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:1628
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:3520
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:692

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/3520-0-0x0000000000000000-mapping.dmp
    Download