MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a41e0418949914320454262970d1c878a37b2c01b48a7e92047f536771bf6f9. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



WSHRAT


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 4a41e0418949914320454262970d1c878a37b2c01b48a7e92047f536771bf6f9
SHA3-384 hash: ab0160c0bfcecd2e0984ceb5260766c33a9648a581f7e7dc79af72ae98e7d653b802e2351507be2d2885d056024ff3a3
SHA1 hash: b329fe66df345f51d229f5b76069a1f1263a1c2b
MD5 hash: e811c4c9c880e3fae8bfb0cd7be6a4f6
humanhash: red-fillet-spring-sink
File name:Ref-231017AF-Payment-Details.js
Download: download sample
Signature WSHRAT
File size:7'963 bytes
First seen:2023-10-18 16:10:57 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 48:6IDkWkpUJeT2nfw9LOABJCvs2LNL75q+tCqB5q04CXSR:8wm0JciBc0lo
TLSH T182F1951DB60070F02AD9BF3615A314017FE776B96E32717D85AA9A3C60726E41F2D8B3
Reporter abuse_ch
Tags:js wshrat

Intelligence


File Origin
# of uploads :
1
# of downloads :
315
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
masquerade obfuscated phishing wscript
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, WSHRAT
Detection:
malicious
Classification:
n/a
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Drops script or batch files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
Yara detected AgentTesla
Yara detected WSHRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1328170 Sample: Ref-231017AF-Payment-Details.js Startdate: 18/10/2023 Architecture: WINDOWS Score: 100 54 martur.cl 2->54 56 grapemundo.com 2->56 58 3 other IPs or domains 2->58 76 Sigma detected: Register Wscript In Run Key 2->76 78 Snort IDS alert for network traffic 2->78 80 Found malware configuration 2->80 82 17 other signatures 2->82 11 wscript.exe 4 15 2->11         started        16 wscript.exe 2->16         started        18 wscript.exe 2->18         started        20 wscript.exe 2->20         started        signatures3 process4 dnsIp5 66 grapemundo.com 103.50.163.157, 443, 49709 PUBLIC-DOMAIN-REGISTRYUS India 11->66 48 C:\Users\user\AppData\Local\Temp48AKFZC.js, ASCII 11->48 dropped 50 C:\Users\user\AppData\Local\...\oneone[1].js, ASCII 11->50 dropped 94 Benign windows process drops PE files 11->94 96 JScript performs obfuscated calls to suspicious functions 11->96 98 Drops script or batch files to the startup folder 11->98 102 2 other signatures 11->102 22 wscript.exe 1 16 11->22         started        100 Wscript called in batch mode (surpress errors) 16->100 27 wscript.exe 16->27         started        file6 signatures7 process8 dnsIp9 62 ip-api.com 208.95.112.1, 49710, 80 TUT-ASUS United States 22->62 64 chongmei33.publicvm.com 103.47.144.71, 49711, 49712, 49716 M247GB Pakistan 22->64 44 C:\Users\user\AppData\Roaming\...44AKFZC.js, ASCII 22->44 dropped 46 C:\Users\user\AppData\Local\Temp\Output.js, ASCII 22->46 dropped 92 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->92 29 wscript.exe 2 22->29         started        file10 signatures11 process12 file13 52 C:\Users\user\AppData\Local\Temp\vOb.exe, PE32 29->52 dropped 104 Windows Scripting host queries suspicious COM object (likely to drop second stage) 29->104 33 vOb.exe 3 29->33         started        signatures14 process15 signatures16 68 Antivirus detection for dropped file 33->68 70 Multi AV Scanner detection for dropped file 33->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 33->72 74 3 other signatures 33->74 36 vOb.exe 15 2 33->36         started        40 powershell.exe 21 33->40         started        process17 dnsIp18 60 martur.cl 187.49.9.55, 21, 49714, 49715 SCWTelecomBR Brazil 36->60 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->84 86 Tries to steal Mail credentials (via file / registry access) 36->86 88 Tries to harvest and steal browser information (history, passwords, etc) 36->88 90 Installs a global keyboard hook 36->90 42 conhost.exe 40->42         started        signatures19 process20
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2023-10-17 07:41:20 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:wshrat keylogger persistence spyware stealer trojan
Behaviour
Modifies registry class
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
AgentTesla
WSHRAT
WSHRAT payload
Malware Config
C2 Extraction:
http://chongmei33.publicvm.com:7045
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

WSHRAT

Java Script (JS) js 4a41e0418949914320454262970d1c878a37b2c01b48a7e92047f536771bf6f9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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