MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68
SHA3-384 hash: a5d0068416dcecc6613f9dec81974d08eef8a1a2f1a8af6c82ae79bfd35f917a03dc965f4f5e2a243a715387e72c27c0
SHA1 hash: 13be206e4efb3297b7b0b6e9b1d4e85692e88287
MD5 hash: 5a29a68730b91d7f9b4e05235166b02d
humanhash: oklahoma-low-fillet-yellow
File name:Details to Tender Bid.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'019'869 bytes
First seen:2026-08-13 14:10:50 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:/qzsAjc+4o15yOW8SnYKZg8/q48VqTBO5zCO5fGbLOOlCuGbMmGbyN/xex5CHQJc:A
TLSH T125255EEFBBB747EB69042145CF4D5A3C9E536B8EC8B8867EB615C34824758E81D048F8
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 downloader evasive fingerprint obfuscated overlay powershell repaired
Link:
https://www.filescan.io/uploads/6a7dd0947c7d673490ef2686/reports/b4e39a1b-901b-4ca6-bfa1-1de0e3f450ad/overview
Verdict:
Malicious
Labled as:
JS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68
Verdict:
Malicious
File Type:
js
First seen:
2026-08-13T06:07:00Z UTC
Last seen:
2026-08-15T06:26:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68/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/1957633
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected Remcos RAT
Found evasive API chain checking for user administrative privileges
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Process Parents
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1957633 Sample: Details to Tender Bid.js Startdate: 13/08/2026 Architecture: WINDOWS Score: 100 40 www.stratagemzw.com 2->40 42 stratagemzw.com 2->42 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 14 other signatures 2->52 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 62 Suspicious powershell command line found 10->62 64 Wscript starts Powershell (via cmd or directly) 10->64 66 Obfuscated command line found 10->66 68 4 other signatures 10->68 13 powershell.exe 14 15 10->13         started        process6 dnsIp7 44 stratagemzw.com 102.208.231.4, 443, 49746, 49752 Sahdsoft-ASZA South Africa 13->44 70 Writes to foreign memory regions 13->70 72 Injects a PE file into a foreign processes 13->72 17 calc.exe 4 9 13->17         started        22 conhost.exe 13->22         started        signatures8 process9 dnsIp10 36 64.89.161.94, 2404, 49753, 49754 GHOSTYNETWORKSUS Luxembourg 17->36 38 127.0.0.1 unknown unknown 17->38 28 C:\Users\user\AppData\...\cookies.sqlite-shm, data 17->28 dropped 30 C:\Users\user\AppData\...\Login Data.tmp, SQLite 17->30 dropped 32 C:\Users\user\AppData\...\Login Data.tmp, SQLite 17->32 dropped 34 C:\Users\user\...\Login Data For Account.tmp, SQLite 17->34 dropped 54 System process connects to network (likely due to code injection or exploit) 17->54 56 Contains functionality to bypass UAC (CMSTPLUA) 17->56 58 Detected Remcos RAT 17->58 60 7 other signatures 17->60 24 msedge.exe 6 17->24         started        file11 signatures12 process13 process14 26 msedge.exe 24->26         started       
Score:
25%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68/
Threat name:
Script-JS.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-13 13:59:24 UTC
File Type:
Binary
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrcj7e7kfgq63jfdm27rprc4f4wdtuuuvevj4cs2bvxn4y725nua._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery execution rat stealer
Link:
https://tria.ge/reports/260813-rhjblaap4y/
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Loads dropped DLL
Badlisted process makes network request
Uses browser remote debugging
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
64.89.161.94:2404
Dropper Extraction:
https://www.stratagemzw.com/MSI_PRO.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/64449f93ea29a1eda4a366bf17c45c2f2c39d294a92a9e0a5a0d6ede63faeb68

File information

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

Comments