Overview

overview

10

Static

static

09133f9779...le.exe

windows7_x64

10

09133f9779...le.exe

windows10_x64

10

Analysis

  • max time kernel
    59s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26-07-2021 12:59

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General

  • Target

    09133f97793186542546f439e518554a5bb17117689c83bc3978cc532ae2f138.sample.exe

  • Size

    3.7MB

  • MD5

    d659325ea3491708820a2beffe9362b8

  • SHA1

    6e7f725401c33332beb2383a6802a7e4b2db30a9

  • SHA256

    09133f97793186542546f439e518554a5bb17117689c83bc3978cc532ae2f138

  • SHA512

    958f4a72530703131be2f25dc906ab7fc8ee174e9cbd13f9c976af7e986593b56a768e0413e6a85d06f2bdc057ac7d9617f6c25cbf8f13cc2f8348bcf441eeb5

Score
10/10
ransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Public\Desktop\Decrypt-Your-Files.txt

Ransom Note
-------------------------------------------- | What happened to your files? -------------------------------------------- We breached your corporate network and encrypted the data on your computers. The encrypted data includes documents, databases, photos and more - all were encrypted using a military grade encryption algorithms (AES-256 and RSA-2048). You cannot access those files right now. But dont worry! You can still get those files back and be up and running again in no time. --------------------------------------------- | How to contact us to get your files back? --------------------------------------------- The only way to restore your files is by purchasing a decryption tool loaded with a private key we created specifically for your network. Once run on an effected computer, the tool will decrypt all encrypted files - and you can resume day-to-day operations, preferably with better cyber security in mind. If you are interested in purchasing the decryption tool contact us at alfredmir@protonmail.com ------------------------------------------------------- | How can you be certain we have the decryption tool? ------------------------------------------------------- In your mail to us attach up to 3 non critical files (up to 3MB, no databases or spreadsheets). We will send them back to you decrypted. ------------------------------------------------------- | What happens if you dont contact us within 48 hours or refuse payment? ------------------------------------------------------- We publish sensitve databases and documents we collected from your network. -------------------------------------------------------
Emails

alfredmir@protonmail.com

Signatures

  • Modifies extensions of user files 13 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.

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09133f97793186542546f439e518554a5bb17117689c83bc3978cc532ae2f138.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\09133f97793186542546f439e518554a5bb17117689c83bc3978cc532ae2f138.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:288
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1112
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1356 -s 2980
    1⤵
    • Program crash
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:916

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/916-59-0x000007FEFBEF1000-0x000007FEFBEF3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/916-60-0x0000000001EB0000-0x0000000001EB1000-memory.dmp
    Filesize

    4KB

    Download