MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c10b647fa6367b62a1cb828ebea88bbfdc90d7428275b02aa5c05a33d7a182a. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c10b647fa6367b62a1cb828ebea88bbfdc90d7428275b02aa5c05a33d7a182a
SHA3-384 hash: a54656048268fb32fe8d2a9890fef0993e800e6432bb6821ebd93559445c968ffa9b7ea70f0a765ce80e23a91df34134
SHA1 hash: 04b9847e3fb534c2ec9aa28d23701bb61962f3e1
MD5 hash: 9f99f898a3d8057f9b202804e1f82370
humanhash: charlie-mountain-bulldog-charlie
File name:Tax Returns Of R48,765.js
Download: download sample
Signature WSHRAT
Create hunting rule
File size:921'259 bytes
First seen:2023-04-14 06:07:19 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:QQG5JkzGdSxPXERutyPmKNqQkvOj8E3mm1KPyVovdXoOjIBfKprv5OYJOBeEBy4K:T+NNO6jVoEoPZIo9
TLSH T1E2153EC625B87A06D3B3F628C311EA12AC34EC23299755D2BDC43F465FB6C505DBEA21
Reporter abuse_ch
Tags:js wshrat

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.12289.31911.13629.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated obfuscated wscript wscript.exe
Link:
https://www.filescan.io/uploads/6438edc40530985b5ccceb35/reports/748833b4-4d6f-42e3-8aa2-05914201d031/overview
Verdict:
Malicious
Labled as:
Trojan.Script.Heuristic
Link:
https://www.hybrid-analysis.com/sample/8c10b647fa6367b62a1cb828ebea88bbfdc90d7428275b02aa5c05a33d7a182a
Result
Verdict:
MALICIOUS
Result
Threat name:
WSHRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1213760
Signature
Antivirus detection for URL or domain
Drops script or batch files to the startup folder
JScript performs obfuscated calls to suspicious functions
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Potential malicious VBS/JS script found (suspicious encoded strings)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Wscript called in batch mode (surpress errors)
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c10b647fa6367b62a1cb828ebea88bbfdc90d7428275b02aa5c05a33d7a182a/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-04-13 11:41:22 UTC
File Type:
Text (JavaScript)
AV detection:
1 of 37 (2.70%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rqilmr72mnt3mkq4xauox2uixp64sdlufatvwavklqc2gpl2dava._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230414-gvw34saa4t/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c10b647fa63/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:SUSP_Base64_Encoded_Hex_Encoded_Code
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects hex encoded code that has been base64 encoded
Reference:https://www.nextron-systems.com/2019/04/29/spotlight-threat-hunting-yara-rule-example/
Rule name:SUSP_Base64_Encoded_Hex_Encoded_Code_RID3420
Create hunting rule
Author:Florian Roth
Description:Detects hex encoded code that has been base64 encoded
Reference:Internal Research

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 8c10b647fa6367b62a1cb828ebea88bbfdc90d7428275b02aa5c05a33d7a182a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments