MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef. 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


RemcosRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef
SHA3-384 hash: 56e3268f14ccda8aeb3f06d3b5de6e72ee5fdc5679b3e630adebd68c097e58910d792d971ae833c4eab107b41297c33b
SHA1 hash: 4fa37658241b43deea9b083233574ecfdaa60708
MD5 hash: 486966649f3c23ac0af991866f623014
humanhash: lactose-mirror-quiet-echo
File name:allegato_358.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:4'664 bytes
First seen:2023-11-27 09:24:32 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:2Qpt7DKtY32vKtkNojvidRsJ43mAmhyjCg8DSW5Rs5Su/byeY2jHP:7itlvw5ORsJ4NSICNDSW5LsH9jHP
TLSH T1D9A1540212D57488175B0BEAC61D60D5E57CAEBE34EACC0FA58869D8FDC65AFD5C0B30
Reporter JAMESWT_WT
Tags:agenziaentrate js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28769.Heur.BadJS.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.JS.Obfus-2185.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Exploit.EXE
Link:
https://www.hybrid-analysis.com/sample/a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348397
Signature
Antivirus detection for URL or domain
Creates HTML files with .exe extension (expired dropper behavior)
Deletes itself after installation
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Potential obfuscated javascript found
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-11-27 09:18:23 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 37 (13.51%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u3vv34fkos57ce7im6w7i36e4it7w4qtpvf4l6jvttxu4ngpexxq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/231127-ldppxsff64/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Executes dropped EXE
Blocklisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef

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
Create hunting rule
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