MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa. 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


QuasarRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
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SHA256 hash: dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa
SHA3-384 hash: 977632b61598be7858048db730d44d6d655ffcb0327144308e22bc8e3d35adaf3e1e6fe6fcd44c94bb07405115f3b327
SHA1 hash: 85963a7ab8a9331b2d0f99a73b07b3ec184925d9
MD5 hash: a67042d8e24cbfdf4a63cd47306815b8
humanhash: connecticut-sad-may-crazy
File name:Document pdf.js
Download: download sample
Signature QuasarRAT
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File size:5'728'087 bytes
First seen:2024-09-17 15:06:05 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:uMT2+WkRKVceri//JgEGNYngAm268bPCUS95X5m8L7K3b1KZ3rZ/lgIx3FXywqxE:bxr6VLtvhR1kL84HeTak4Fg
Threatray 825 similar samples on MalwareBazaar
TLSH T1AF468D73A203FDDE0B7D2D4092103A561C942997A765869CFFC402EA76E7648EF2D8F4
Magika javascript
Reporter abuse_ch
Tags:js QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
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Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e99b195d6a2b58599a96f5
Tags:
n/a
Verdict:
Suspicious
Labled as:
JS/MulDrop.G
Link:
https://www.hybrid-analysis.com/sample/dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Quasar
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1512652
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Found malware configuration
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
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Status:
Malicious
First seen:
2024-09-17 15:07:06 UTC
File Type:
Text (VBS)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3lr6lfsjsotbvba6awitmlx3kms5ir55he6zqebvybgnadeypkva._file
Verdict:
malicious
Label(s):
quasarrat
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Similar samples:
01d7838a7a970a4fca588740cf6f8129f4ae01b0d9936eb43a1aff9436b848a2
QuasarRAT
159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed
QuasarRAT
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
QuasarRAT
ced760664a7c5580e324d99d695b119c1f3ec94d1d9c56d1d3882347f0c6eb10
QuasarRAT
dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa
QuasarRAT
+ 815 additional samples on MalwareBazaar
Result
Malware family:
quasar
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Score:
  10/10
Tags:
family:quasar botnet:office04 execution spyware trojan
Link:
https://tria.ge/reports/240917-shavwszara/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
102.165.14.15:26736
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/dae3e5964993a61a841e0591362efb5325d447bd393d981035c04cd00c987aaa

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_obfuscated_JS_obfuscatorio
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Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io

File information

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

Comments