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Analysis Report quote#838.pdf.xlsm


General Information

Sample Name:quote#838.pdf.xlsm

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Range:0 - 100


Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Document exploit detected (creates forbidden files)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Yara detected FormBook
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded macro with GUI obfuscation
Document exploit detected (process start blacklist hit)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Maps a DLL or memory area into another process
Microsoft Office drops suspicious files
Modifies the context of a thread in another process (thread injection)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Microsoft Office Product Spawning Windows Shell
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Antivirus or Machine Learning detection for unpacked file
Checks for kernel debuggers (NtQuerySystemInformation(SystemKernelDebuggerInformation))
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 check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to read the PEB
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Document contains an embedded VBA macro which executes code when the document is opened / closed
Document contains embedded VBA macros
Document misses a certain OLE stream usually present in this Microsoft Office document type
Downloads executable code via HTTP
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
Found evasive API chain (may stop execution after checking a module file name)
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
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Sample execution stops while process was sleeping (likely an evasion)
Searches the installation path of Mozilla Firefox
Tries to load missing DLLs
Uses code obfuscation techniques (call, push, ret)
Yara signature match