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Windows
Analysis Report
fNzx1wx8tL.exe
Overview
General Information
| Sample name: | fNzx1wx8tL.exerenamed because original name is a hash value |
| Original sample name: | b611b18150ff90f659198e46c7f2b74f.exe |
| Analysis ID: | 1543210 |
| MD5: | b611b18150ff90f659198e46c7f2b74f |
| SHA1: | bb6bcaf535bddc8b793a8fa890bbbe7a33290faa |
| SHA256: | 0fbad12595c3ecd37ed2249d25161c3935485a2c761c104e58973841becd0517 |
| Tags: | exeuser-abuse_ch |
| Infos: |   |
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Detection
MicroClip
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Benign windows process drops PE files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Yara detected MicroClip
AI detected suspicious sample
Changes the view of files in windows explorer (hidden files and folders)
Contain functionality to detect virtual machines
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Found API chain indicative of debugger detection
Found hidden mapped module (file has been removed from disk)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Overwrites Mozilla Firefox settings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
AV process strings found (often used to terminate AV products)
Abnormal high CPU Usage
Binary contains a suspicious time stamp
Contains functionality for read data from the clipboard
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 check the parent process ID (often done to detect debuggers and analysis systems)
Contains functionality to detect virtual machines (SLDT)
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 modify clipboard data
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 record screenshots
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Detected potential crypto function
Downloads executable code via HTTP
Drops PE files
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 dropped PE file which has not been started or loaded
Found evaded block containing many API calls
Found evasive API chain (may stop execution after checking a module file name)
Found evasive API chain checking for process token information
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
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 sections with non-standard names
PE file does not import any functions
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
Sigma detected: CurrentVersion Autorun Keys Modification
Sigma detected: Startup Folder File Write
Sigma detected: Uncommon Svchost Parent Process
Stores files to the Windows start menu directory
Suricata IDS alerts with low severity for network traffic
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
AV Detection |
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Code function: |
0_2_00007FF6E17059EC | |
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Code function: |
2_2_0FC06AE0 | |
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Code function: |
3_2_00007FF699AB59EC | |
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Code function: |
4_2_00007FF7536F59EC | |
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Code function: |
7_2_00007FF736B559EC | |
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Code function: |
8_2_00007FF632DA79B0 | |
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Code function: |
8_2_00007FF632DA85A0 | |
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Code function: |
8_2_00007FF632DC0B84 | |
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Code function: |
11_2_00007FF632DA85A0 | |
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11_2_00007FF632DC0B84 | |
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11_2_00007FF632DA79B0 | |
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11_2_00007FFE01343280 | |
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11_2_00007FFE0134303C | |
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13_2_00007FF7F4E759EC | |
Networking |
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Network Connect: |
Jump to behavior | ||
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HTTP traffic detected: | ||