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Windows
Analysis Report
Payment INV NO. 230203-1USD.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Yara detected MSILDownloaderGeneric
Sample uses process hollowing technique
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Initial sample is a PE file and has a suspicious name
Drops PE files to the startup folder
Performs DNS queries to domains with low reputation
Injects a PE file into a foreign processes
Queues an APC in another process (thread injection)
Modifies the context of a thread in another process (thread injection)
Executable has a suspicious name (potential lure to open the executable)
Uses ipconfig to lookup or modify the Windows network settings
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Uses code obfuscation techniques (call, push, ret)
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)
Stores files to the Windows start menu directory
JA3 SSL client fingerprint seen in connection with other malware
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Contains long sleeps (>= 3 min)
Enables debug privileges
AV process strings found (often used to terminate AV products)
Sample file is different than original file name gathered from version info
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Creates a start menu entry (Start Menu\Programs\Startup)
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Classification
- System is w10x64
- Payment INV NO. 230203-1USD.exe (PID: 2332 cmdline:
C:\Users\u ser\Deskto p\Payment INV NO. 23 0203-1USD. exe MD5: D6460E1A62BFB5366FFF5959B99BBEDE) - cmd.exe (PID: 4440 cmdline:
C:\Windows \System32\ cmd.exe" / c Copy "C: \Users\use r\Desktop\ Payment IN V NO. 2302 03-1USD.ex e" "C:\Use rs\user\Ap pData\Roam ing\Micros oft\Window s\Start Me nu\Program s\Startup\ Payment IN V NO. 2302 03-1USD.ex e MD5: F3BDBE3BB6F734E357235F4D5898582D) - conhost.exe (PID: 4468 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - conhost.exe (PID: 2332 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - Payment INV NO. 230203-1USD.exe (PID: 1884 cmdline:
C:\Users\u ser\Deskto p\Payment INV NO. 23 0203-1USD. exe MD5: D6460E1A62BFB5366FFF5959B99BBEDE) - Payment INV NO. 230203-1USD.exe (PID: 3712 cmdline:
C:\Users\u ser\Deskto p\Payment INV NO. 23 0203-1USD. exe MD5: D6460E1A62BFB5366FFF5959B99BBEDE) - explorer.exe (PID: 3324 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - Payment INV NO. 230203-1USD.exe (PID: 5224 cmdline:
"C:\Users\ user\AppDa ta\Roaming \Microsoft \Windows\S tart Menu\ Programs\S tartup\Pay ment INV N O. 230203- 1USD.exe" MD5: D6460E1A62BFB5366FFF5959B99BBEDE) - Payment INV NO. 230203-1USD.exe (PID: 4444 cmdline:
C:\Users\u ser\AppDat a\Roaming\ Microsoft\ Windows\St art Menu\P rograms\St artup\Paym ent INV NO . 230203-1 USD.exe MD5: D6460E1A62BFB5366FFF5959B99BBEDE) - ipconfig.exe (PID: 1888 cmdline:
C:\Windows \SysWOW64\ ipconfig.e xe MD5: B0C7423D02A007461C850CD0DFE09318) - autofmt.exe (PID: 5148 cmdline:
C:\Windows \SysWOW64\ autofmt.ex e MD5: 7FC345F685C2A58283872D851316ACC4) - ipconfig.exe (PID: 3872 cmdline:
C:\Windows \SysWOW64\ ipconfig.e xe MD5: B0C7423D02A007461C850CD0DFE09318)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
SUSP_Reversed_Base64_Encoded_EXE | Detects an base64 encoded executable with reversed characters | Florian Roth (Nextron Systems) |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Click to see the 18 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Click to see the 1 entries |
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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