Loading ...

Play interactive tourEdit tour

Analysis Report #U6700#U65b0#U9ed1#U9a6c#U80a1#U5e02#U6599.com


General Information

Sample Name:#U6700#U65b0#U9ed1#U9a6c#U80a1#U5e02#U6599.com (renamed file extension from com to exe)
Analysis ID:430789

Most interesting Screenshot:


Range:0 - 100


Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected FatalRAT
Changes security center settings (notifications, updates, antivirus, firewall)
Checks if browser processes are running
Contains functionality to access PhysicalDrive, possible boot sector overwrite
Contains functionality to automate explorer (e.g. start an application)
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to determine the online IP of the system
Contains functionality to infect the boot sector
Contains functionality to inject threads in other processes
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Tries to delay execution (extensive OutputDebugStringW loop)
AV process strings found (often used to terminate AV products)
Antivirus or Machine Learning detection for unpacked file
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to clear windows event logs (to hide its activities)
Contains functionality to communicate with device drivers
Contains functionality to create guard pages, often used to hinder reverse engineering and debugging
Contains functionality to delete services
Contains functionality to detect virtual machines (SGDT)
Contains functionality to detect virtual machines (SIDT)
Contains functionality to detect virtual machines (SLDT)
Contains functionality to detect virtual machines (STR)
Contains functionality to dynamically determine API calls
Contains functionality to enumerate process and check for explorer.exe or svchost.exe (often used for thread injection)
Contains functionality to enumerate running services
Contains functionality to launch a process as a different user
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates files inside the system directory
Creates or modifies windows services
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found potential string decryption / allocating functions
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains an invalid checksum
Potential key logger detected (key state polling based)
Queries disk information (often used 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 code obfuscation techniques (call, push, ret)


Process Tree

  • System is w10x64