Create Interactive TourWindows Analysis Report justificante de la transfer.exe
Overview
General Information
| Sample Name: | justificante de la transfer.exe |
| Analysis ID: | 1599 |
| MD5: | 155585e31f7f96aa383760fbba74ddca |
| SHA1: | 3746d1a9ca4b26fc71a8a0f90c32a819dc551341 |
| SHA256: | c6cbda53357f02ae8e127d9bd27da254cd30b3974966714c3c1d03d375ebde4b |
| Infos: | |
Most interesting Screenshot:  | |
Detection
AgentTesla
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Found malware configuration
Potential malicious icon found
Multi AV Scanner detection for submitted file
Yara detected AgentTesla
Antivirus / Scanner detection for submitted sample
Sigma detected: RegAsm connects to smtp port
Hides threads from debuggers
Writes to foreign memory regions
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to detect Any.run
Tries to harvest and steal ftp login credentials
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Tries to steal Mail credentials (via file access)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to call native functions
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
PE file contains strange resources
Tries to load missing DLLs
Uses a known web browser user agent for HTTP communication
Detected TCP or UDP traffic on non-standard ports
Checks if the current process is being debugged
Uses SMTP (mail sending)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Uses Microsoft's Enhanced Cryptographic Provider
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Classification
|
{
"Exfil Mode": "SMTP",
"SMTP Info": "floristeria@floristeriatanatorios.comOt.tpv2017webmail.floristeriatanatorios.comusmanderirick45@gmail.com"
}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security |
Sigma Overview |
|---|
Networking: |   |
|---|
| Sigma detected: RegAsm connects to smtp port | |||
| Source: | Author: Joe Security: | ||
Jbx Signature Overview |
|---|
- • AV Detection
- • Cryptography
- • Compliance
- • Networking
- • System Summary
- • Data Obfuscation
- • Hooking and other Techniques for Hiding and Protection
- • Malware Analysis System Evasion
- • Anti Debugging
- • HIPS / PFW / Operating System Protection Evasion
- • Language, Device and Operating System Detection
- • Stealing of Sensitive Information
- • Remote Access Functionality
Click to jump to signature section
Show All Signature Results
AV Detection: | |
|---|
| Found malware configuration | |||
| Source: | Malware Configuration Extractor: | ||
| Multi AV Scanner detection for submitted file | |||
| Source: | Virustotal: | Perma Link | ||
| Source: | ReversingLabs: | |||
| Antivirus / Scanner detection for submitted sample | |||
| Source: | Avira: | ||
| Source: | Avira: | ||
| Source: | Code function: | ||
| Source: | Code function: | ||
| Source: | Static PE information: | ||
| Source: | File opened: | ||
| Source: | HTTPS traffic detected: | ||
| Source: | HTTPS traffic detected: | ||
Networking: | |
|---|
| Source: | ASN Name: | ||
| Source: | JA3 fingerprint: | ||
| Source: | HTTP traffic detected: | ||
| Source: | HTTP traffic detected: | ||
| Source: | TCP traffic: | ||
| Source: | TCP traffic: | ||
| Source: | Network traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | Network traffic detected: | ||
| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | String found in binary or memory: | ||