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Windows
Analysis Report
file.exe
Overview
General Information
Detection
Stealc
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found malware configuration
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Stealc
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Hides threads from debuggers
Machine Learning detection for sample
PE file contains section with special chars
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
AV process strings found (often used to terminate AV products)
Checks for debuggers (devices)
Checks if the current process is being debugged
Contains capabilities to detect virtual machines
Downloads executable code via HTTP
Entry point lies outside standard sections
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
One or more processes crash
PE file contains an invalid checksum
PE file contains sections with non-standard names
Queries information about the installed CPU (vendor, model number etc)
Queries the volume information (name, serial number etc) of a device
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Yara detected Credential Stealer
Classification
- System is w10x64
- file.exe (PID: 2800 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 69A44AFD5F25F695F1E1FE16ABF56A39) - WerFault.exe (PID: 1908 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 2 800 -s 154 4 MD5: C31336C1EFC2CCB44B4326EA793040F2)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Stealc | Stealc is an information stealer advertised by its presumed developer Plymouth on Russian-speaking underground forums and sold as a Malware-as-a-Service since January 9, 2023. According to Plymouth's statement, stealc is a non-resident stealer with flexible data collection settings and its development is relied on other prominent stealers: Vidar, Raccoon, Mars and Redline.Stealc is written in C and uses WinAPI functions. It mainly targets date from web browsers, extensions and Desktop application of cryptocurrency wallets, and from other applications (messengers, email clients, etc.). The malware downloads 7 legitimate third-party DLLs to collect sensitive data from web browsers, including sqlite3.dll, nss3.dll, vcruntime140.dll, mozglue.dll, freebl3.dll, softokn3.dll and msvcp140.dll. It then exfiltrates the collected information file by file to its C2 server using HTTP POST requests. | No Attribution |
{"C2 url": "http://185.215.113.100/e2b1563c6670f193.php"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Stealc_1 | Yara detected Stealc | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security |
⊘No Sigma rule has matched
Timestamp: | 2024-09-01T23:02:56.268443+0200 |
SID: | 2044246 |
Severity: | 1 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-09-01T23:02:55.982267+0200 |
SID: | 2044244 |
Severity: | 1 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-09-01T23:02:58.882814+0200 |
SID: | 2044248 |
Severity: | 1 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-09-01T23:02:55.988260+0200 |
SID: | 2044245 |
Severity: | 1 |
Source Port: | 80 |
Destination Port: | 49730 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-09-01T23:02:55.694309+0200 |
SID: | 2044243 |
Severity: | 1 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-09-01T23:02:56.275329+0200 |
SID: | 2044247 |
Severity: | 1 |
Source Port: | 80 |
Destination Port: | 49730 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-09-01T23:02:59.442106+0200 |
SID: | 2803304 |
Severity: | 3 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Unknown Traffic |
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AV Detection |
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Networking |
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Source: | HTTP traffic detected: |