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Windows
Analysis Report
9TpV4rfMmJ.exe
Overview
General Information
| Sample Name: | 9TpV4rfMmJ.exe |
| Analysis ID: | 562499 |
| MD5: | 38034f18af511c3b04b25170735e8b8e |
| SHA1: | 797252e9139d3d46825440335437ad9d538f6b5b |
| SHA256: | 7babdd2c7d3752b7b48729110f0ab94de7cf74c478b7e1ea7a71a468748e70c0 |
| Infos: |   |
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Detection
AgentTesla GuLoader
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Found malware configuration
Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Yara detected AgentTesla
Yara detected GuLoader
Hides threads from debuggers
Tries to steal Mail credentials (via file / registry access)
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)
DLL side loading technique detected
C2 URLs / IPs found in malware configuration
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
Yara signature match
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Found potential string decryption / allocating functions
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 dynamically determine API calls
Found dropped PE file which has not been started or loaded
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
Drops PE files
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
Binary contains a suspicious time stamp
Contains functionality to detect virtual machines (SLDT)
Uses SMTP (mail sending)
PE / OLE file has an invalid certificate
Sigma detected: Suspicious Outbound SMTP Connections
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
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)
Contains functionality for read data from the clipboard
Classification
- System is w10x64native
9TpV4rfMmJ.exe (PID: 1432 cmdline:
"C:\Users\ user\Deskt op\9TpV4rf MmJ.exe" MD5: 38034F18AF511C3B04B25170735E8B8E) 
CasPol.exe (PID: 7704 cmdline: "C:\Users\ user\Deskt op\9TpV4rf MmJ.exe" MD5: 914F728C04D3EDDD5FBA59420E74E56B) - CasPol.exe (PID: 1264 cmdline:
"C:\Users\ user\Deskt op\9TpV4rf MmJ.exe" MD5: 914F728C04D3EDDD5FBA59420E74E56B) 
conhost.exe (PID: 5992 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 81CA40085FC75BABD2C91D18AA9FFA68)
- cleanup
{"Exfil Mode": "SMTP", "SMTP Info": "canllado@restaurantsllado.com2Once1985mail.restaurantsllado.comtext@dividekings.com"}{"Payload URL": "https://www.konutmarket.com/2022file_iz"}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_AgentTesla_1 | Yara detected AgentTesla | Joe Security | ||
| JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
| MALWARE_Win_AgentTeslaV3 | AgentTeslaV3 infostealer payload | ditekSHen |
| |
| Click to see the 3 entries | ||||
System Summary |   |
|---|
| Source: | Author: frack113: | ||
Click to jump to signature section
Show All Signature Results
AV Detection | |
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| Source: | Malware Configuration Extractor: | ||
| Source: | Malware Configuration Extractor: | ||
| Source: | Virustotal: | Perma Link | ||
| Source: | ReversingLabs: | |||
| Source: | Code function: | 5_2_0122D8E0 | |
| Source: | Code function: | 5_2_0122DEDA | |
| Source: | Static PE information: | ||
| Source: | HTTPS traffic detected: | ||
| Source: | Static PE information: | ||
| Source: | Binary string: | ||
| Source: | Binary string: | ||
| Source: | Binary string: | ||
| Source: | Binary string: | ||
| Source: | Code function: | 2_2_00405C49 | |
| Source: | Code function: | 2_2_00406873 | |
| Source: | Code function: | 2_2_0040290B | |
Networking | |
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| Source: | URLs: | ||
| Source: | ASN Name: | ||
| Source: | ASN Name: | ||
| Source: | JA3 fingerprint: | ||
| Source: | HTTP traffic detected: | ||
| Source: | TCP traffic: | ||
| Source: | TCP traffic: | ||
| 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: | String found in binary or memory: | ||