MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358
SHA3-384 hash: d85d0130e1fce39c595e2564b0dd4cf7085bb49e3e6f4bfc635989ca1ce29a4c98972a94dca705b1b6bb2591ac2c5523
SHA1 hash: a798188696d1de1a687e017fd70fcb74621c919a
MD5 hash: 0b493da6372273ff398cf6047f5d663f
humanhash: happy-nuts-mirror-illinois
File name:SI3.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'059'251 bytes
First seen:2025-08-24 07:10:49 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:4nzn3ZQQfs5auZyDxVFG2TYUVF2fteloGqnjvrd7PcwxxEpLKwxa0uPlB8yzDtd2:2
Threatray 1'371 similar samples on MalwareBazaar
TLSH T15035C7D573C887BBE44C8EE361A8499B71D4E04A31621F99DAF3E78BB82AD507C70534
Magika javascript
Reporter smica83
Tags:js MSI-STEGO RemcosRAT systemcopilotdriver-ydns-eu

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68aabb16e9d9dbcfd96d750d
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive exploit fingerprint obfuscated obfuscated powershell
Link:
https://www.filescan.io/uploads/68aabb1c7137d6845839cbee/reports/f63c12da-c760-4d52-b7f6-827706c3d5b2/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1763888
Signature
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
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Found Tor onion address
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1763888 Sample: SI3.js Startdate: 24/08/2025 Architecture: WINDOWS Score: 100 24 systemcopilotdriver.ydns.eu 2->24 26 ia801009.us.archive.org 2->26 28 2 other IPs or domains 2->28 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 8 wscript.exe 1 2->8         started        signatures3 process4 signatures5 54 Suspicious powershell command line found 8->54 56 Wscript starts Powershell (via cmd or directly) 8->56 58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->58 60 2 other signatures 8->60 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 30 archive.org 207.241.224.2, 443, 49721 INTERNET-ARCHIVEUS United States 11->30 32 ia801009.us.archive.org 207.241.228.89, 443, 49722 INTERNET-ARCHIVEUS United States 11->32 34 cdn.discordapp.com 162.159.129.233, 443, 49723 CLOUDFLARENETUS United States 11->34 62 Found Tor onion address 11->62 64 Writes to foreign memory regions 11->64 66 Injects a PE file into a foreign processes 11->66 15 MSBuild.exe 4 2 11->15         started        20 conhost.exe 11->20         started        signatures8 process9 dnsIp10 36 systemcopilotdriver.ydns.eu 181.206.158.190, 3001, 49724, 49725 ColombiaMovilCO Colombia 15->36 22 C:\ProgramData\remcos\registros.dat, data 15->22 dropped 38 Contains functionality to bypass UAC (CMSTPLUA) 15->38 40 Detected Remcos RAT 15->40 42 Contains functionalty to change the wallpaper 15->42 44 4 other signatures 15->44 file11 signatures12
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358/
Threat name:
Script-JS.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-08-24 01:45:27 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=45snvu7vx66ckgh3eky3obef4zveoml22aaynplsohye4d2lynma._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
023c2ffe7b6418affcafe78df6d190107a882de63f55c63a266247c22b11e244
RemcosRAT
0780b511b4413c846adda72e7ede6afb0398a084112bf0399d2d4041f952cfa4
RemcosRAT
36f0e0b31d5b901268c65a2d5dd8b48a0e9c9b00a329c10be9a7be625fe5d84d
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6bc677ac4c36cb99e3170edb2b29b8e8b47399a2896f8f0c6fa998b4337bcf35
RemcosRAT
a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e
RemcosRAT
c208d8d0493c60f14172acb4549dcb394d2b92d30bcae4880e66df3c3a7100e4
RemcosRAT
d58ef7f6352296a5f9052e5bb522a0556037f373b27dd1bf4c53a521f0f7a0a8
RemcosRAT
e119c6c5485307075a1e5d0950a77f978f7f17e23c315ed8c38cc1259b8af26f
RemcosRAT
error
RemcosRAT
+ 1'361 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos defense_evasion discovery execution rat
Link:
https://tria.ge/reports/250824-hz5fqasrs2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
systemcopilotdriver.ydns.eu:3001
Dropper Extraction:
https://archive.org/download/optimized_msi_20250821/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/e764dad3f5bfbc2518fb22b1b70485e66a47317ad00186bd7271f04e0f4bc358

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments