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Windows
Analysis Report
py.ps1
Overview
General Information
| Sample name: | py.ps1 |
| Analysis ID: | 1429326 |
| MD5: | b570fa6c00d2478e939db9f5a3217afd |
| SHA1: | 246ea84aa4fabbf26048d8a5bf9e66918971c1a1 |
| SHA256: | de367800fbe772f10c52e4dff9a39de73ab08379c19f326680dc677eeba69bbc |
| Tags: | ps1 |
| Infos: |   |
 | |
Detection
Metasploit, XWorm
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Early bird code injection technique detected
Found malware configuration
Malicious sample detected (through community Yara rule)
Yara detected MetasploitPayload
Yara detected XWorm
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found suspicious powershell code related to unpacking or dynamic code loading
Hijacks the control flow in another process
Loading BitLocker PowerShell Module
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Writes to foreign memory regions
Allocates memory with a write watch (potentially for evading sandboxes)
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)
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Change PowerShell Policies to an Insecure Level
Yara signature match
Classification
- System is w10x64
powershell.exe (PID: 1780 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\py. ps1" MD5: 04029E121A0CFA5991749937DD22A1D9) 
conhost.exe (PID: 6856 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
notepad.exe (PID: 3300 cmdline: C:\Windows \System32\ notepad.ex e MD5: 27F71B12CB585541885A31BE22F61C83)
- cleanup
| Name | Description | Attribution | Blogpost URLs | Link |
|---|---|---|---|---|
| XWorm | Malware with wide range of capabilities ranging from RAT to ransomware. | No Attribution |
{"C2 url": ["nmds.duckdns.org"], "Port": "8895", "Aes key": "<123456789>", "SPL": "<Xwormmm>", "Install file": "USB.exe", "Version": "XWorm V3.1"}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| Windows_Trojan_Donutloader_f40e3759 | unknown | unknown |
| |
| Windows_Trojan_Donutloader_5c38878d | unknown | unknown |
| |
| JoeSecurity_XWorm | Yara detected XWorm | Joe Security | ||
| MALWARE_Win_AsyncRAT | Detects AsyncRAT | ditekSHen |
| |
| JoeSecurity_XWorm | Yara detected XWorm | Joe Security | ||
| Click to see the 2 entries | ||||
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_XWorm | Yara detected XWorm | Joe Security | ||
| MALWARE_Win_AsyncRAT | Detects AsyncRAT | ditekSHen |
| |
| JoeSecurity_XWorm | Yara detected XWorm | Joe Security | ||
| MALWARE_Win_AsyncRAT | Detects AsyncRAT | ditekSHen |
| |
| JoeSecurity_XWorm | Yara detected XWorm | Joe Security | ||
| Click to see the 3 entries | ||||
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_MetasploitPayload_1 | Yara detected MetasploitPayload | Joe Security |
System Summary |   |
|---|
| Source: | Author: frack113: | ||
| Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): | ||
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection | |
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| Source: | Malware Configuration Extractor: | ||
| Source: | String decryptor: | ||
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Networking | |
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| Source: | URLs: | ||
| Source: | String found in binary or memory: | ||
Key, Mouse, Clipboard, Microphone and Screen Capturing | |
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| Source: | .Net Code: | ||
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System Summary | |
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| Source: | Matched rule: | ||
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| Source: | Code function: | 7_2_000001D112FCAF23 | |
| Source: | Code function: | 7_2_000001D112FCAB03 | |
| Source: | Code function: | 7_2_000001D112FCB35B | |
| Source: | Code function: | 7_2_000001D112FCB7E3 | |
| Source: | Code function: | 7_2_000001D112FC9EDB | |
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| Source: | Cryptographic APIs: | ||
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| Source: | File created: | Jump to behavior | ||
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| Source: | File created: | Jump to behavior | ||
| Source: | Anti Malware Scan Interface: | ||