Edit tour
Windows
Analysis Report
vYz1Z2heor.exe
Overview
General Information
Sample name: | vYz1Z2heor.exerenamed because original name is a hash value |
Original sample name: | 7f1630df6b57af024a3b561bdadc208f.exe |
Analysis ID: | 1495519 |
MD5: | 7f1630df6b57af024a3b561bdadc208f |
SHA1: | 9b304cb2eff05f040b76eccc00ee55b914cf1839 |
SHA256: | c9dbac4fe659e8918f50a4a157713e40d71e05367799af66d1d7845d958ee3f7 |
Tags: | exe |
Infos: | |
Detection
AsyncRAT, StormKitty, WorldWind Stealer
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Capture Wi-Fi password
Suricata IDS alerts for network traffic
Yara detected AsyncRAT
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected WorldWind Stealer
AI detected suspicious sample
Connects to a pastebin service (likely for C&C)
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal WLAN passwords
Tries to harvest and steal browser information (history, passwords, etc)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
AV process strings found (often used to terminate AV products)
Abnormal high CPU Usage
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Queries sensitive Operating System Information (via WMI, Win32_ComputerSystem, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
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: Suspicious desktop.ini Action
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
- vYz1Z2heor.exe (PID: 8020 cmdline:
"C:\Users\ user\Deskt op\vYz1Z2h eor.exe" MD5: 7F1630DF6B57AF024A3B561BDADC208F) - cmd.exe (PID: 7288 cmdline:
"cmd.exe" /C chcp 65 001 && net sh wlan sh ow profile | findstr All MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7312 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 7432 cmdline:
chcp 65001 MD5: 20A59FB950D8A191F7D35C4CA7DA9CAF) - netsh.exe (PID: 7484 cmdline:
netsh wlan show prof ile MD5: 4E89A1A088BE715D6C946E55AB07C7DF) - findstr.exe (PID: 7504 cmdline:
findstr Al l MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 7620 cmdline:
"cmd.exe" /C chcp 65 001 && net sh wlan sh ow network s mode=bss id MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7652 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 7772 cmdline:
chcp 65001 MD5: 20A59FB950D8A191F7D35C4CA7DA9CAF) - netsh.exe (PID: 7820 cmdline:
netsh wlan show netw orks mode= bssid MD5: 4E89A1A088BE715D6C946E55AB07C7DF)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
AsyncRAT | AsyncRAT is a Remote Access Tool (RAT) designed to remotely monitor and control other computers through a secure encrypted connection. It is an open source remote administration tool, however, it could also be used maliciously because it provides functionality such as keylogger, remote desktop control, and many other functions that may cause harm to the victims computer. In addition, AsyncRAT can be delivered via various methods such as spear-phishing, malvertising, exploit kit and other techniques. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Cameleon, StormKitty | PWC describes this malware as a backdoor, capable of file management, upload and download of files, and execution of commands. | No Attribution |
{"C2 url": "https://api.telegram.org/bot7293375371:AAFwIvNWcuknS3y3mtsx4yNSSTkj8NCF_ko/sendMessage"}
{"Server": "127.0.0.1", "Ports": "6606,7707,8808", "Telegram C2": "https://api.telegram.org/bot7293375371:AAFwIvNWcuknS3y3mtsx4yNSSTkj8NCF_ko/sendMessage?chat_id=5795480469", "Version": "", "AES_key": "VIfxfqryUTyZUBGDCBAvbYVYIsexIM7Z", "Mutex": "AsyncMutex_6SI8OkPnk", "Certificate": "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", "ServerSignature": "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", "Group": "Default"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_TelegramRecon | Yara detected Telegram Recon | Joe Security | ||
JoeSecurity_AsyncRAT | Yara detected AsyncRAT | Joe Security | ||
JoeSecurity_StormKitty | Yara detected StormKitty Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_GenericDownloader_1 | Yara detected Generic Downloader | Joe Security | ||
Click to see the 6 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_AsyncRAT | Yara detected AsyncRAT | Joe Security | ||
JoeSecurity_StormKitty | Yara detected StormKitty Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_TelegramRAT | Yara detected Telegram RAT | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse | Detects file containing reversed ASEP Autorun registry keys | ditekSHen |
| |
Click to see the 12 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_AsyncRAT | Yara detected AsyncRAT | Joe Security | ||
JoeSecurity_StormKitty | Yara detected StormKitty Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_GenericDownloader_1 | Yara detected Generic Downloader | Joe Security | ||
JoeSecurity_TelegramRAT | Yara detected Telegram RAT | Joe Security | ||
Click to see the 5 entries |
System Summary |
---|
Source: | Author: Maxime Thiebaut (@0xThiebaut), Tim Shelton (HAWK.IO): |
Stealing of Sensitive Information |
---|
Source: | Author: Joe Security: |
Timestamp: | 2024-08-20T11:06:31.130632+0200 |
SID: | 2044766 |
Severity: | 1 |
Source Port: | 49703 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-08-20T11:06:32.063374+0200 |
SID: | 2803305 |
Severity: | 3 |
Source Port: | 49704 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Unknown Traffic |
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Malware Configuration Extractor: |