MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
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SHA256 hash: c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743
SHA3-384 hash: a18b5cf82beff5193d5a995ca5fee4fc7f4f2a62d4266670e1c22263e45da980944cfa14e7863924968480662239c99b
SHA1 hash: d496d48bcbcf985773ba6ffa904c48d4af7264d3
MD5 hash: de1e7aad7cd990692c2076ea621be63c
humanhash: beer-winner-enemy-hot
File name:3171924_PO_001.js
Download: download sample
Signature RemcosRAT
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File size:849'847 bytes
First seen:2025-06-07 12:56:35 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:Xkv7R0O71/v1ohrYwp3ENtP8glaua2QzPcfw2:Xw7N0Mo/gfw2
TLSH T128051276050A7EDA875D4D40C0992E406DD89DA7BBB9C0E878DC12CDA2F992DCC3AF74
Magika javascript
Reporter abuse_ch
Tags:js RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
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SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684437ab8bd5d68a12e644d7
Tags:
nanocore cryxos remcos
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 crypt dropper obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/68443731171e01f95938fdb8/reports/4bfa20fe-d171-4b37-8f78-6ccb1985912d/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.8606;Trojan.Generic.JS
Link:
https://www.hybrid-analysis.com/sample/c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1708860
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found malware configuration
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential obfuscated javascript found
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743
Threat name:
Script-JS.Backdoor.NanoCore
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Status:
Malicious
First seen:
2025-06-06 13:08:16 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zciiak432yyzy5jo52sks7takbedvrdg5jkty3edncpynslbi5bq._file
Verdict:
malicious
Label(s):
remcos
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Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/250607-p64lbsssgw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Remcos
Remcos family
Malware Config
C2 Extraction:
164.68.116.238:2404
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c890802b9bd6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c890802b9bd6319c752eeea4a97e6050483ac466ea553c6c83689f86c9614743

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:botnet_plaintext_c2
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Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

File information

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

Comments