Overview

overview

10

Static

static

882e89ea1b...in.exe

windows7_x64

10

882e89ea1b...in.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:17

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Report Analysis Logs

General

  • Target

    882e89ea1b8d70646bdf6476d8cb46991b950f27e03e93bf49ea3209c2d69581.bin.exe

  • Size

    67KB

  • MD5

    bde3ec20e9f8253524fa74aeb65681ba

  • SHA1

    1ade5bf755530e16c631106bf266c4632c372c34

  • SHA256

    882e89ea1b8d70646bdf6476d8cb46991b950f27e03e93bf49ea3209c2d69581

  • SHA512

    1d152ab20b03cd74021810a9739dd0c1a03f2bcb87fde9f4926d07d330c9f8517a9fa5c16cb0046f59c13c92bfc7e23e9aeb6924dea66ae2a61eb50fb0daaf9d

Score
10/10
netwalkerpersistenceransomwarespyware

Malware Config

Extracted

Path

C:\Program Files (x86)\Common Files\Adobe AIR\E1638-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1638 -- 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 and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. 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 decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Сontact us: 1.priparipri@tuta.io 2.praparapra@cock.li Don't forget to include your code in the email: {code_e68b12c5_e1638: FnJq5ob5/MLsFkHvjEqsXcweUnwcYg6+Z7syQ9AJAWPYraINHk ECEoiTn1NuZPDJ+B0cYwdlKlZme3XZsXJovzWEjek2BM5FxRKL 5reByrcwHLxpq7gH6UZkn+mGqPt8uAnST8R1Jr7i49jxkKWDMs RfCi6EtF/ooGekFLpQ/6N1lY5QLkiOv5eiWcY+/H9GeC46omLs FKXDxOIFQozpG7DZdfYgX/JVvdIk1XgaB73aJo8N9h4lLddQ70 OIfHV3H0C1v64GZdR5FkrB8NevmGRAdCU=}
Emails

priparipri@tuta.io

praparapra@cock.li

Extracted

Path

C:\Users\Admin\Downloads\E1638-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1638 -- 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 and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. 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 decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Сontact us: 1.priparipri@tuta.io 2.praparapra@cock.li Don't forget to include your code in the email: {code_e68b12c5_e1638: FnJq5ob5/MLsFkHvjEqsXcweUnwcYg6+Z7syQ9AJAWPYraINHk ECEoiTn1NuZPDJ+B0cYwdlKlZme3XZsXJovzWEjek2BM5FxRKL 5reByrcwHLxpq7gH6UZkn+mGqPt8uAnST8R1Jr7i49jxkKWDMs RfCi6EtF/ooGekFLpQ/6N1lY5QLkiOv5eiWcY+/H9GeC46omLs FKXDxOIFQozpG7DZdfYgX/JVvdIk1XgaB73aJo8N9h4lLddQ70 OIfHV3H0C1v64GZdR5FkrB8NevmGRAdCU=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1638 -- 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 and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. 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 decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Сontact us: 1.priparipri@tuta.io 2.praparapra@cock.li Don't forget to include your code in the email: {code_e68b12c5_e1638: FnJq5ob5/MLsFkHvjEqsXcweUnwcYg6+Z7syQ9AJAWPYraINHk ECEoiTn1NuZPDJ+B0cYwdlKlZme3XZsXJovzWEjek2BM5FxRKL 5reByrcwHLxpq7gH6UZkn+mGqPt8uAnST8R1Jr7i49jxkKWDMs RfCi6EtF/ooGekFLpQ/6N1lY5QLkiOv5eiWcY+/H9GeC46omLs FKXDxOIFQozpG7DZdfYgX/JVvdIk1XgaB73aJo8N9h4lLddQ70 OIfHV3H0C1v64GZdR5FkrB8NevmGRAdCU=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1638 -- 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 and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. 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 decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Сontact us: 1.priparipri@tuta.io 2.praparapra@cock.li Don't forget to include your code in the email: {code_e68b12c5_e1638: FnJq5ob5/MLsFkHvjEqsXcweUnwcYg6+Z7syQ9AJAWPYraINHk ECEoiTn1NuZPDJ+B0cYwdlKlZme3XZsXJovzWEjek2BM5FxRKL 5reByrcwHLxpq7gH6UZkn+mGqPt8uAnST8R1Jr7i49jxkKWDMs RfCi6EtF/ooGekFLpQ/6N1lY5QLkiOv5eiWcY+/H9GeC46omLs FKXDxOIFQozpG7DZdfYgX/JVvdIk1XgaB73aJo8N9h4lLddQ70 OIfHV3H0C1v64GZdR5FkrB8NevmGRAdCU=}
Emails

priparipri@tuta.io

praparapra@cock.li

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\E1638-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1638 -- 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 and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. 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 decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Сontact us: 1.priparipri@tuta.io 2.praparapra@cock.li Don't forget to include your code in the email: {code_e68b12c5_e1638: FnJq5ob5/MLsFkHvjEqsXcweUnwcYg6+Z7syQ9AJAWPYraINHk ECEoiTn1NuZPDJ+B0cYwdlKlZme3XZsXJovzWEjek2BM5FxRKL 5reByrcwHLxpq7gH6UZkn+mGqPt8uAnST8R1Jr7i49jxkKWDMs RfCi6EtF/ooGekFLpQ/6N1lY5QLkiOv5eiWcY+/H9GeC46omLs FKXDxOIFQozpG7DZdfYgX/JVvdIk1XgaB73aJo8N9h4lLddQ70 OIfHV3H0C1v64GZdR5FkrB8NevmGRAdCU=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .e1638 -- 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 and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. 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 decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Сontact us: 1.priparipri@tuta.io 2.praparapra@cock.li Don't forget to include your code in the email: {code_e68b12c5_e1638: FnJq5ob5/MLsFkHvjEqsXcweUnwcYg6+Z7syQ9AJAWPYraINHk ECEoiTn1NuZPDJ+B0cYwdlKlZme3XZsXJovzWEjek2BM5FxRKL 5reByrcwHLxpq7gH6UZkn+mGqPt8uAnST8R1Jr7i49jxkKWDMs RfCi6EtF/ooGekFLpQ/6N1lY5QLkiOv5eiWcY+/H9GeC46omLs FKXDxOIFQozpG7DZdfYgX/JVvdIk1XgaB73aJo8N9h4lLddQ70 OIfHV3H0C1v64GZdR5FkrB8NevmGRAdCU=}
Emails

priparipri@tuta.io

praparapra@cock.li

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
  • 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 7480 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 17889 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\882e89ea1b8d70646bdf6476d8cb46991b950f27e03e93bf49ea3209c2d69581.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\882e89ea1b8d70646bdf6476d8cb46991b950f27e03e93bf49ea3209c2d69581.bin.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1092
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:7084

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/1092-0-0x0000000000000000-mapping.dmp
    Download