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Windows
Analysis Report
FACTURA PROFORMA MATRICULACI#U00d3N.exe
Overview
General Information
Detection
FormBook, GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected FormBook
Yara detected GuLoader
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Contains functionality to read the PEB
Contains functionality to shutdown / reboot the system
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Drops PE files
Found dropped PE file which has not been started or loaded
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Classification
- System is w10x64native
- FACTURA PROFORMA MATRICULACI#U00d3N.exe (PID: 3248 cmdline:
"C:\Users\ user\Deskt op\FACTURA PROFORMA MATRICULAC I#U00d3N.e xe" MD5: 66D651E5546DEDAFD0A252400B70C21D) - FACTURA PROFORMA MATRICULACI#U00d3N.exe (PID: 1600 cmdline:
"C:\Users\ user\Deskt op\FACTURA PROFORMA MATRICULAC I#U00d3N.e xe" MD5: 66D651E5546DEDAFD0A252400B70C21D) - RAVCpl64.exe (PID: 6480 cmdline:
"C:\Progra m Files\Re altek\Audi o\HDA\RAVC pl64.exe" -s MD5: 731FB4B2E5AFBCADAABB80D642E056AC) - rasphone.exe (PID: 4548 cmdline:
"C:\Window s\SysWOW64 \rasphone. exe" MD5: B5D49238841360E079DA1EC4627684EA) - firefox.exe (PID: 524 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: FA9F4FC5D7ECAB5A20BF7A9D1251C851)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
CloudEyE, GuLoader | CloudEyE (initially named GuLoader) is a small VB5/6 downloader. It typically downloads RATs/Stealers, such as Agent Tesla, Arkei/Vidar, Formbook, Lokibot, Netwire and Remcos, often but not always from Google Drive. The downloaded payload is xored. | No Attribution |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_GuLoader_5 | Yara detected GuLoader | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_GuLoader_5 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_GuLoader_5 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_GuLoader_5 | Yara detected GuLoader | Joe Security | ||
Click to see the 2 entries |
⊘No Sigma rule has matched
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-01-15T18:20:23.968838+0100 | 2803270 | 2 | Potentially Bad Traffic | 192.168.11.20 | 49762 | 212.162.149.165 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-01-15T18:20:58.019349+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.11.20 | 49763 | 67.223.117.189 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Virustotal: | Perma Link |
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Source: | Code function: | 0_2_00405C4D | |
Source: | Code function: | 0_2_00402930 | |
Source: | Code function: | 0_2_0040689E |
Source: | Code function: | 2_2_3643052F | |
Source: | Code function: | 3_2_006DC52F | |
Source: | Code function: | 3_2_04912F18 | |
Source: | Code function: | 4_2_04C1052F |
Networking |
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