Windows
Analysis Report
believe.ps1
Overview
General Information
Detection
Snake Keylogger, VIP Keylogger
Score: | 100 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Powershell drops PE file
Sample uses string decryption to hide its real strings
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected non-DNS traffic on DNS port
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
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 inlined nop instructions (likely shell or obfuscated code)
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 check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sigma detected: Change PowerShell Policies to an Insecure Level
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)
Uses insecure TLS / SSL version for HTTPS connection
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
powershell.exe (PID: 6636 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -noLogo -E xecutionPo licy unres tricted -f ile "C:\Us ers\user\D esktop\bel ieve.ps1" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) conhost.exe (PID: 6688 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
notepad.exe (PID: 668 cmdline:
"C:\Window s\System32 \notepad.e xe" "C:\Us ers\user\D esktop\bel ieve.ps1" MD5: 27F71B12CB585541885A31BE22F61C83)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
404 Keylogger, Snake Keylogger | Snake Keylogger (aka 404 Keylogger) is a subscription-based keylogger that has many capabilities. The infostealer can steal a victims sensitive information, log keyboard strokes, take screenshots and extract information from the system clipboard. It was initially released on a Russian hacking forum in August 2019. It is notable for its relatively unusual methods of data exfiltration, including via email, FTP, SMTP, Pastebin or the messaging app Telegram. | No Attribution |
{"Exfil Mode": "Telegram", "Bot Token": "7692968455:AAFUd6DDUCm9bBSVBpp5I0Oudm0YDdn6C3o", "Chat id": "6163418482"}
{"Exfil Mode": "Telegram", "Token": "7692968455:AAFUd6DDUCm9bBSVBpp5I0Oudm0YDdn6C3o", "Chat_id": "6163418482", "Version": "4.4"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_VIPKeylogger | Yara detected VIP Keylogger | Joe Security | ||
Windows_Trojan_SnakeKeylogger_af3faa65 | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_VIPKeylogger | Yara detected VIP Keylogger | Joe Security | ||
JoeSecurity_TelegramRAT | Yara detected Telegram RAT | Joe Security | ||
Windows_Trojan_SnakeKeylogger_af3faa65 | unknown | unknown |
| |
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
Click to see the 18 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
Click to see the 17 entries |
System Summary |
---|
Source: | Author: frack113: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-14T11:00:02.564605+0100 | 2803305 | 3 | Unknown Traffic | 192.168.2.12 | 49692 | 104.21.64.1 | 443 | TCP |
2025-03-14T11:00:11.779493+0100 | 2803305 | 3 | Unknown Traffic | 192.168.2.12 | 49695 | 104.21.64.1 | 443 | TCP |
2025-03-14T11:00:20.152461+0100 | 2803305 | 3 | Unknown Traffic | 192.168.2.12 | 49703 | 104.21.64.1 | 443 | TCP |
2025-03-14T11:00:26.323535+0100 | 2803305 | 3 | Unknown Traffic | 192.168.2.12 | 62154 | 104.21.64.1 | 443 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-14T10:59:59.451659+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.12 | 49690 | 158.101.44.242 | 80 | TCP |
2025-03-14T11:00:01.951652+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.12 | 49690 | 158.101.44.242 | 80 | TCP |
2025-03-14T11:00:11.170526+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.12 | 49693 | 158.101.44.242 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-14T11:00:28.825751+0100 | 1810007 | 1 | Potentially Bad Traffic | 192.168.2.12 | 62172 | 149.154.167.220 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira URL Cloud: |
Source: | Avira: | ||
Source: | Avira: |
Source: | Malware Configuration Extractor: | ||
Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | String decryptor: | ||
Source: | String decryptor: | ||
Source: | String decryptor: |
Location Tracking |
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Source: | DNS query: |
Source: | HTTPS traffic detected: |
Source: | HTTPS traffic detected: |
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 4_2_01884688 | |
Source: | Code function: | 4_2_01884688 | |
Source: | Code function: | 5_2_00BEF2C4 | |
Source: | Code function: | 5_2_00BEF4AC | |
Source: | Code function: | 5_2_00BEF52F | |
Source: | Code function: | 5_2_00BEF974 |
Networking |
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Source: | Suricata IDS: |
Source: | DNS query: |
Source: | TCP traffic: |
Source: | HTTP traffic detected: |