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Windows
Analysis Report
Rudvfa0Z17.exe
Overview
General Information
Sample name: | Rudvfa0Z17.exerenamed because original name is a hash value |
Original sample name: | 44d3fbf225fc3e6ae2bf8b68f3dd69fc180d29e2b69ff8f53c83ce78c07845ce.exe |
Analysis ID: | 1499612 |
MD5: | bed10af8b143ee5b48c221be89786600 |
SHA1: | 69ab3c83dd7f2f54d7d08c46a7c900b00981c968 |
SHA256: | 44d3fbf225fc3e6ae2bf8b68f3dd69fc180d29e2b69ff8f53c83ce78c07845ce |
Tags: | ad87h92j-comexe |
Infos: | |
Detection
Nitol
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Nitol
AI detected suspicious sample
Checks if browser processes are running
Contains functionalty to change the wallpaper
Drops password protected ZIP file
Found API chain indicative of debugger detection
Hides threads from debuggers
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Tries to access browser extension known for cryptocurrency wallets
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to evade analysis by execution special instruction (VM detection)
AV process strings found (often used to terminate AV products)
Checks for kernel debuggers (NtQuerySystemInformation(SystemKernelDebuggerInformation))
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Checks if the current process is being debugged
Contains functionality for read data from the clipboard
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
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 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 delete services
Contains functionality to dynamically determine API calls
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to record screenshots
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
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
Dropped file seen in connection with other malware
Drops PE files
Entry point lies outside standard sections
Extensive use of GetProcAddress (often used to hide API calls)
Found dropped PE file which has not been started or loaded
Found evasive API chain (may stop execution after accessing registry keys)
Found evasive API chain (may stop execution after checking a module file name)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains sections with non-standard names
Queries information about the installed CPU (vendor, model number etc)
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Sigma detected: CurrentVersion Autorun Keys Modification
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Uses the system / local time for branch decision (may execute only at specific dates)
Yara signature match
Classification
- System is w10x64
- Rudvfa0Z17.exe (PID: 6148 cmdline:
"C:\Users\ user\Deskt op\Rudvfa0 Z17.exe" MD5: BED10AF8B143EE5B48C221BE89786600) - 33MwVPy.exe (PID: 3116 cmdline:
"C:\Progra m Files (x 86)\90m3FH O\33MwVPy. exe" MD5: C8E8EEAF5464AF1A188B3DC12C890813)
- OpenWith.exe (PID: 4720 cmdline:
C:\Windows \system32\ OpenWith.e xe -Embedd ing MD5: E4A834784FA08C17D47A1E72429C5109)
- 33MwVPy.exe (PID: 6848 cmdline:
"C:\Progra m Files (x 86)\90m3FH O\33MwVPy. exe" MD5: C8E8EEAF5464AF1A188B3DC12C890813)
- 33MwVPy.exe (PID: 6672 cmdline:
"C:\Progra m Files (x 86)\90m3FH O\33MwVPy. exe" MD5: C8E8EEAF5464AF1A188B3DC12C890813)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Nitol | No Attribution |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Nitol | Yara detected Nitol | Joe Security | ||
JoeSecurity_Nitol | Yara detected Nitol | Joe Security | ||
JoeSecurity_Nitol | Yara detected Nitol | Joe Security | ||
JoeSecurity_Nitol | Yara detected Nitol | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Nitol | Yara detected Nitol | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_RDP | Detects executables embedding registry key / value combination manipulating RDP / Terminal Services | ditekSHen |
| |
JoeSecurity_Nitol | Yara detected Nitol | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_RDP | Detects executables embedding registry key / value combination manipulating RDP / Terminal Services | ditekSHen |
| |
JoeSecurity_Nitol | Yara detected Nitol | Joe Security | ||
Click to see the 3 entries |
System Summary |
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Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split): |
Timestamp: | 2024-08-27T09:48:51.304790+0200 |
SID: | 2803304 |
Severity: | 3 |
Source Port: | 61382 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Unknown Traffic |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: | ||
Source: | Avira: |
Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link |
Source: | Integrated Neural Analysis Model: |
Source: | Binary or memory string: | memstr_5e6b499c-1 |
Source: | Static PE information: |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
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Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 6_2_0331E374 | |
Source: | Code function: | 6_2_0331A3C4 | |
Source: | Code function: | 6_2_03315134 | |
Source: | Code function: | 6_2_0331E194 | |
Source: | Code function: | 6_2_033150BD | |
Source: | Code function: | 6_2_033150DA | |
Source: | Code function: | 6_2_03316754 | |
Source: | Code function: | 6_2_033164F4 | |
Source: | Code function: | 6_2_033254C4 | |
Source: | Code function: | 6_2_03347AFC | |
Source: | Code function: | 6_2_03315AD4 | |
Source: | Code function: | 6_2_03315E14 | |
Source: | Code function: | 6_2_03314EB3 | |
Source: | Code function: | 6_2_03315CE4 | |
Source: | Code function: | 6_2_100230CD | |
Source: | Code function: | 6_2_10023110 | |
Source: | Code function: | 6_2_1002C170 | |
Source: | Code function: | 6_2_1002C350 | |
Source: | Code function: | 6_2_100283A0 | |
Source: | Code function: | 6_2_100334A0 | |
Source: | Code function: | 6_2_100244D0 | |
Source: | Code function: | 6_2_10024730 | |
Source: | Code function: | 6_2_10023AB0 | |
Source: | Code function: | 6_2_10055AD8 | |
Source: | Code function: | 6_2_10023CC0 | |
Source: | Code function: | 6_2_10023DF0 |
Source: | Code function: | 6_2_03319404 |
Source: | HTTP traffic detected: | ||
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Source: | JA3 fingerprint: |
Source: | Suricata IDS: |
Source: | HTTP traffic detected: | ||
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Source: | HTTP traffic detected: |
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | Code function: | 0_2_00419560 |
Source: | HTTP traffic detected: |