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Windows
Analysis Report
MzRn1YNrbz
Overview
General Information
Detection
Vidar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Sigma detected: Add file from suspicious location to autostart registry
Yara detected Vidar stealer
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Writes to foreign memory regions
Tries to steal Crypto Currency Wallets
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses the Telegram API (likely for C&C communication)
Allocates memory in foreign processes
May check the online IP address of the machine
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Found many strings related to Crypto-Wallets (likely being stolen)
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
Drops PE files to the application program directory (C:\ProgramData)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query locales information (e.g. system language)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
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)
Yara detected Credential Stealer
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Entry point lies outside standard sections
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Is looking for software installed on the system
Queries information about the installed CPU (vendor, model number etc)
PE file contains an invalid checksum
Drops PE files
Contains functionality to read the PEB
Uses reg.exe to modify the Windows registry
Uses taskkill to terminate processes
PE / OLE file has an invalid certificate
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Creates a process in suspended mode (likely to inject code)
Classification
- System is w10x64
- MzRn1YNrbz.exe (PID: 7016 cmdline:
"C:\Users\ user\Deskt op\MzRn1YN rbz.exe" MD5: BA041A9FC41225152308162AC9073707) - conhost.exe (PID: 7056 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - AppLaunch.exe (PID: 6252 cmdline:
C:\Windows \Microsoft .NET\Frame work\v4.0. 30319\AppL aunch.exe MD5: 6807F903AC06FF7E1670181378690B22) - SRT2H1V9CYLP5LNSR3MB.exe (PID: 4416 cmdline:
"C:\Progra mData\SRT2 H1V9CYLP5L NSR3MB.exe " MD5: 4A9ABB3B18F7EFB17C10DF19AE459B17) - conhost.exe (PID: 4764 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - AppLaunch.exe (PID: 7108 cmdline:
C:\Windows \Microsoft .NET\Frame work\v4.0. 30319\AppL aunch.exe MD5: 6807F903AC06FF7E1670181378690B22) - reg.exe (PID: 3384 cmdline:
REG ADD HK CU\Softwar e\Microsof t\Windows\ CurrentVer sion\Run / v OneDrive /t REG_SZ /f /d C:\ Users\user \AppData\L ocal\Micro soft\OneDr ive\OneDri ve.exe MD5: CEE2A7E57DF2A159A065A34913A055C2) - conhost.exe (PID: 5244 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - reg.exe (PID: 5596 cmdline:
REG ADD HK CU\Softwar e\Microsof t\Windows\ CurrentVer sion\Explo rer\Startu pApproved\ Run /v One Drive /t R EG_BINARY /f /d 0200 0000000000 0000000000 MD5: CEE2A7E57DF2A159A065A34913A055C2) - conhost.exe (PID: 5944 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - cmd.exe (PID: 4168 cmdline:
"C:\Window s\System32 \cmd.exe" /c taskkil l /im AppL aunch.exe /f & timeo ut /t 6 & del /f /q "C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\App Launch.exe " & del C: \ProgramDa ta\*.dll & exit MD5: F3BDBE3BB6F734E357235F4D5898582D) - conhost.exe (PID: 6344 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - taskkill.exe (PID: 6532 cmdline:
taskkill / im AppLaun ch.exe /f MD5: 15E2E0ACD891510C6268CB8899F2A1A1) - timeout.exe (PID: 6780 cmdline:
timeout /t 6 MD5: 121A4EDAE60A7AF6F5DFA82F7BB95659)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
Click to see the 8 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation | Detects executables containing potential Windows Defender anti-emulation checks | ditekSHen |
| |
MALWARE_Win_Vidar | Detects Vidar / ArkeiStealer | ditekSHen |
| |
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
Click to see the 15 entries |
Persistence and Installation Behavior |
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Source: | Author: Joe Security: |
Timestamp: | 116.202.0.187192.168.2.580497562035911 05/16/22-10:29:37.838204 |
SID: | 2035911 |
Source Port: | 80 |
Destination Port: | 49756 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Avira: |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Source: | Joe Sandbox ML: | ||
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Source: | Static PE information: |
Source: | HTTPS traffic detected: | ||
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Source: | Static PE information: |
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Source: | Code function: | 0_2_00F1F23E | |
Source: | Code function: | 14_2_00407000 | |
Source: | Code function: | 14_2_00436483 |
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
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Source: | File opened: | Jump to behavior |
Networking |
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Source: | Snort IDS: |
Source: | DNS query: |
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Source: | DNS query: |
Source: | HTTP traffic detected: | ||
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Source: | HTTP traffic detected: |
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