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Analysis Report s6G3ZtvHZg.exe
Overview
General Information
| Sample Name: | s6G3ZtvHZg.exe |
| Analysis ID: | 385308 |
| MD5: | 885e567660a28ec23b692291587ef69f |
| SHA1: | 9e200dd274b4be5df241719fe72f6403938a8561 |
| SHA256: | fb23a007cf696e3c6b119c61b62824abc56b47a7e2f82337e890acc9024bd88c |
| Tags: | exeFormbook |
| Infos: | |
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Most interesting Screenshot:  |
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Detection
FormBook
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Yara detected AntiVM3
Yara detected FormBook
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Antivirus or Machine Learning detection for unpacked file
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found inlined nop instructions (likely shell or obfuscated code)
Found potential string decryption / allocating functions
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
PE file contains strange resources
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
AV Detection: |
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| Found malware configuration |
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| Multi AV Scanner detection for submitted file |
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| Yara detected FormBook |
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| Machine Learning detection for sample |
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| Antivirus or Machine Learning detection for unpacked file |
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| Uses 32bit PE files |
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| Found inlined nop instructions (likely shell or obfuscated code) |
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Code function: |
3_2_00416277 | |
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Code function: |
14_2_003A6277 | |
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| Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) |
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| C2 URLs / IPs found in malware configuration |
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| Performs DNS queries to domains with low reputation |
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| HTTP GET or POST without a user agent |
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| IP address seen in connection with other malware |
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| Internet Provider seen in connection with other malware |
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