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Windows Analysis Report bNdOhKPy0F.exe
Overview
General Information
| Sample Name: | bNdOhKPy0F.exe |
| Analysis ID: | 435324 |
| MD5: | c5c9a99d045fd2b0380e2b7e3fd28189 |
| SHA1: | 56d82d12434d7069bfccc93d35d7312289b65ea8 |
| SHA256: | ae7ae9ea7fd0100b620704d462083caaedda2c5c5618ceeca54c1d7673b6be4a |
| Tags: | exe |
| Infos: | |
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Detection
Raccoon RedLine SmokeLoader Tofsee
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Benign windows process drops PE files
DLL reload attack detected
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected SmokeLoader
Yara detected Tofsee
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
DLL side loading technique detected
Deletes itself after installation
Drops PE files with benign system names
Drops executables to the windows directory (C:\Windows) and starts them
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Maps a DLL or memory area into another process
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Removes signatures from Windows Defender
Renames NTDLL to bypass HIPS
Sample uses process hollowing technique
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to resolve many domain names, but no domain seems valid
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
AV process strings found (often used to terminate AV products)
Antivirus or Machine Learning detection for unpacked file
Binary contains a suspicious time stamp
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Checks if the current process is being debugged
Contains capabilities to detect virtual machines
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 dynamically determine API calls
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a DirectInput object (often for capturing keystrokes)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Deletes files inside the Windows folder
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Downloads executable code via HTTP
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Drops files with a non-matching file extension (content does not match file extension)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
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
Is looking for software installed on the system
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE file contains an invalid checksum
PE file contains more sections than normal
PE file contains sections with non-standard names
PE file contains strange resources
PE file does not import any functions
Queries disk information (often used to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
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
Tries to load missing DLLs
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
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| Antivirus detection for URL or domain |
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| Found malware configuration |
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