Overview

overview

10

Static

static

10

74fd9bbdd8...in.exe

windows7_x64

10

74fd9bbdd8...in.exe

windows10_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:17

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General

  • Target

    74fd9bbdd8a484640e4b0405a1da84734a0a9c2604ac1b0a39fa2e28b0c12614.bin.exe

  • Size

    69KB

  • MD5

    5f55ac3dd18950583dadffc1970745c5

  • SHA1

    6a13535190bdcd62af6b4930ea28664c13c6a6be

  • SHA256

    74fd9bbdd8a484640e4b0405a1da84734a0a9c2604ac1b0a39fa2e28b0c12614

  • SHA512

    0839dfa13d2fa8752b032ccdb57c15533785724226a156e6c3befb0209a5d5ea8282217f7737ce9b3d6566f3c47abba6586c922063f3ca1fefa267b228f6b062

Score
10/10
netwalkerpersistenceransomwarespyware

Malware Config

Extracted

Path

C:\Program Files\Microsoft Office\Office14\95D67D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .95d67d -- 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_95d67d: /xF+cGHa8Q5sJk6FE8JnIqxO7Rd+2f0v5JELR5bOdnBRuCDPN4 /90fq4SMXcSV4y91403/U8uyZtL6x62TViwp2rwauZ+jkLhq4K /rriOfiDw6NfXqbwleYNvPc6Fda4fSNHQmKVJOQTBwotLxwROr JS5TnC/MDEfqNc+WXo4xIKcvMh1XKmXZ1GeJegvBi7FGqpNuvU cLoF2N3dDj7IAhDhL9i+QWRUk13RO2+cgVYjvv6n6OZbLekJqq 0xeUUSoSFMee7O1ceVg3DeoQ1K/WAJxQ5XajiOoA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\Java\jdk1.7.0_80\95D67D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .95d67d -- 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_95d67d: /xF+cGHa8Q5sJk6FE8JnIqxO7Rd+2f0v5JELR5bOdnBRuCDPN4 /90fq4SMXcSV4y91403/U8uyZtL6x62TViwp2rwauZ+jkLhq4K /rriOfiDw6NfXqbwleYNvPc6Fda4fSNHQmKVJOQTBwotLxwROr JS5TnC/MDEfqNc+WXo4xIKcvMh1XKmXZ1GeJegvBi7FGqpNuvU cLoF2N3dDj7IAhDhL9i+QWRUk13RO2+cgVYjvv6n6OZbLekJqq 0xeUUSoSFMee7O1ceVg3DeoQ1K/WAJxQ5XajiOoA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .95d67d -- 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_95d67d: /xF+cGHa8Q5sJk6FE8JnIqxO7Rd+2f0v5JELR5bOdnBRuCDPN4 /90fq4SMXcSV4y91403/U8uyZtL6x62TViwp2rwauZ+jkLhq4K /rriOfiDw6NfXqbwleYNvPc6Fda4fSNHQmKVJOQTBwotLxwROr JS5TnC/MDEfqNc+WXo4xIKcvMh1XKmXZ1GeJegvBi7FGqpNuvU cLoF2N3dDj7IAhDhL9i+QWRUk13RO2+cgVYjvv6n6OZbLekJqq 0xeUUSoSFMee7O1ceVg3DeoQ1K/WAJxQ5XajiOoA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Documents\95D67D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .95d67d -- 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_95d67d: /xF+cGHa8Q5sJk6FE8JnIqxO7Rd+2f0v5JELR5bOdnBRuCDPN4 /90fq4SMXcSV4y91403/U8uyZtL6x62TViwp2rwauZ+jkLhq4K /rriOfiDw6NfXqbwleYNvPc6Fda4fSNHQmKVJOQTBwotLxwROr JS5TnC/MDEfqNc+WXo4xIKcvMh1XKmXZ1GeJegvBi7FGqpNuvU cLoF2N3dDj7IAhDhL9i+QWRUk13RO2+cgVYjvv6n6OZbLekJqq 0xeUUSoSFMee7O1ceVg3DeoQ1K/WAJxQ5XajiOoA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .95d67d -- 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_95d67d: /xF+cGHa8Q5sJk6FE8JnIqxO7Rd+2f0v5JELR5bOdnBRuCDPN4 /90fq4SMXcSV4y91403/U8uyZtL6x62TViwp2rwauZ+jkLhq4K /rriOfiDw6NfXqbwleYNvPc6Fda4fSNHQmKVJOQTBwotLxwROr JS5TnC/MDEfqNc+WXo4xIKcvMh1XKmXZ1GeJegvBi7FGqpNuvU cLoF2N3dDj7IAhDhL9i+QWRUk13RO2+cgVYjvv6n6OZbLekJqq 0xeUUSoSFMee7O1ceVg3DeoQ1K/WAJxQ5XajiOoA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .95d67d -- 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_95d67d: /xF+cGHa8Q5sJk6FE8JnIqxO7Rd+2f0v5JELR5bOdnBRuCDPN4 /90fq4SMXcSV4y91403/U8uyZtL6x62TViwp2rwauZ+jkLhq4K /rriOfiDw6NfXqbwleYNvPc6Fda4fSNHQmKVJOQTBwotLxwROr JS5TnC/MDEfqNc+WXo4xIKcvMh1XKmXZ1GeJegvBi7FGqpNuvU cLoF2N3dDj7IAhDhL9i+QWRUk13RO2+cgVYjvv6n6OZbLekJqq 0xeUUSoSFMee7O1ceVg3DeoQ1K/WAJxQ5XajiOoA==}
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 15 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 7486 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 23053 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74fd9bbdd8a484640e4b0405a1da84734a0a9c2604ac1b0a39fa2e28b0c12614.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\74fd9bbdd8a484640e4b0405a1da84734a0a9c2604ac1b0a39fa2e28b0c12614.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:1632
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:2040
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:7036

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/2040-0-0x0000000000000000-mapping.dmp
    Download