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Windows
Analysis Report
file.exe
Overview
General Information
Detection
SmokeLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Benign windows process drops PE files
Malicious sample detected (through community Yara rule)
Yara detected SmokeLoader
System process connects to network (likely due to code injection or exploit)
Detected unpacking (changes PE section rights)
Antivirus detection for URL or domain
Maps a DLL or memory area into another process
Found evasive API chain (may stop execution after checking mutex)
Writes to foreign memory regions
Checks if browser processes are running
Machine Learning detection for sample
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Injects code into the Windows Explorer (explorer.exe)
Deletes itself after installation
Machine Learning detection for dropped file
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Contains functionality to compare user and computer (likely to detect sandboxes)
Checks if the current machine is a virtual machine (disk enumeration)
Uses 32bit PE files
Found decision node followed by non-executed suspicious APIs
Yara signature match
Contains functionality to enumerate process and check for explorer.exe or svchost.exe (often used for thread injection)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)
Found evasive API chain (may stop execution after checking a module file name)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Contains functionality which may be used to detect a debugger (GetProcessHeap)
PE file contains executable resources (Code or Archives)
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Drops files with a non-matching file extension (content does not match file extension)
Extensive use of GetProcAddress (often used to hide API calls)
Drops PE files
Tries to load missing DLLs
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Contains functionality to retrieve information about pressed keystrokes
Found large amount of non-executed APIs
Uses Microsoft's Enhanced Cryptographic Provider
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Classification
- System is w10x64
- file.exe (PID: 6100 cmdline:
C:\Users\u ser\Deskto p\file.exe MD5: F39DBBCDCAAC9C8D2039B855C752C214) - explorer.exe (PID: 3320 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - explorer.exe (PID: 1372 cmdline:
C:\Windows \SysWOW64\ explorer.e xe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7) - explorer.exe (PID: 4452 cmdline:
C:\Windows \explorer. exe MD5: AD5296B280E8F522A8A897C96BAB0E1D) - explorer.exe (PID: 1836 cmdline:
C:\Windows \SysWOW64\ explorer.e xe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7) - explorer.exe (PID: 4584 cmdline:
C:\Windows \explorer. exe MD5: AD5296B280E8F522A8A897C96BAB0E1D) - explorer.exe (PID: 3852 cmdline:
C:\Windows \SysWOW64\ explorer.e xe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7) - explorer.exe (PID: 2088 cmdline:
C:\Windows \SysWOW64\ explorer.e xe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7) - explorer.exe (PID: 4800 cmdline:
C:\Windows \SysWOW64\ explorer.e xe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7) - explorer.exe (PID: 1776 cmdline:
C:\Windows \explorer. exe MD5: AD5296B280E8F522A8A897C96BAB0E1D) - explorer.exe (PID: 2464 cmdline:
C:\Windows \SysWOW64\ explorer.e xe MD5: 166AB1B9462E5C1D6D18EC5EC0B6A5F7)
- jdggfai (PID: 5952 cmdline:
C:\Users\u ser\AppDat a\Roaming\ jdggfai MD5: F39DBBCDCAAC9C8D2039B855C752C214)
- cleanup
{"C2 list": ["http://s2scomm20.com/", "http://c2csosi228d.com/", "http://xdd42sdfsdf.com/"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
JoeSecurity_SmokeLoader | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Windows_Trojan_Smokeloader_4e31426e | unknown | unknown |
| |
Windows_Trojan_Smokeloader_4e31426e | unknown | unknown |
| |
Click to see the 21 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Click to see the 1 entries |
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Virustotal: | Perma Link |
Source: | Avira URL Cloud: |
Source: | Joe Sandbox ML: |
Source: | Joe Sandbox ML: |
Source: | Malware Configuration Extractor: |
Source: | Code function: | 10_2_00CE1765 | |
Source: | Code function: | 10_2_00CE118D | |
Source: | Code function: | 12_2_009D245E | |
Source: | Code function: | 12_2_009D2404 | |
Source: | Code function: | 12_2_009D263E | |
Source: | Code function: | 14_2_003A126D | |
Source: | Code function: | 16_2_007D25A4 | |
Source: | Code function: | 16_2_007D2799 | |
Source: | Code function: | 20_2_00571314 |
Source: | Static PE information: |
Source: | File opened: | Jump to behavior |
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Source: | Code function: | 10_2_00CE14D8 | |
Source: | Code function: | 10_2_00CE13FE | |
Source: | Code function: | 10_2_00CE15BE | |
Source: | Code function: | 14_2_003A1939 | |
Source: | Code function: | 14_2_003A1936 | |
Source: | Code function: | 14_2_003A217C | |
Source: | Code function: | 14_2_003A1FFD |
Source: | Code function: | 14_2_003A1B5B |
Networking |
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