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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406. 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: 94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406
SHA3-384 hash: 9f2738318a55cdfe6dd436e099ea4bf8e2fd7051f17f5e82e0b156b47d53f7b062ce5262ece8acd1ddeb997fd40e1056
SHA1 hash: e5fe244cb6edd20d81d8c95f2aace6b545d02cea
MD5 hash: 85a170717579fa34e61145452c2d3bf0
humanhash: spaghetti-echo-carolina-steak
File name:Tender bidding details.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:43'065 bytes
First seen:2026-10-29 14:49:34 UTC
Last seen:2026-11-02 07:05:32 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:XLdPhx34D+0zvusKuVzLSSV1SGl59G+sW2htjG:XLxhx34D+imzuYS7Sk3Ge2/G
TLSH T108136500992128BFAFED5ED80488461F666E0D2FAC3C7C1EE9594B38BD02FD851D77A5
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
AT AT
Vendor Threat Intelligence
No detections
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae35d37b121dd519dce9fd4
Tags:
n/a
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406
Verdict:
Malicious
File Type:
js
First seen:
2026-10-29T09:27:00Z UTC
Last seen:
2026-10-31T11:58:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1994762
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
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
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Powershell connects to network
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
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 GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1994762 Sample: Tender bidding details.js Startdate: 29/10/2026 Architecture: WINDOWS Score: 100 30 sugarfreedcup.co.za 2->30 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Yara detected GuLoader 2->40 42 3 other signatures 2->42 9 wscript.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 52 JScript performs obfuscated calls to suspicious functions 9->52 54 Wscript starts Powershell (via cmd or directly) 9->54 56 Obfuscated command line found 9->56 58 3 other signatures 9->58 15 cmd.exe 1 9->15         started        34 127.0.0.1 unknown unknown 12->34 signatures6 process7 signatures8 60 Wscript starts Powershell (via cmd or directly) 15->60 18 powershell.exe 1 218 15->18         started        22 conhost.exe 15->22         started        24 cmd.exe 1 15->24         started        process9 dnsIp10 32 sugarfreedcup.co.za 102.68.98.148, 443, 49701 HA-VPS-NETZA South Africa 18->32 44 Writes to foreign memory regions 18->44 46 Found suspicious powershell code related to unpacking or dynamic code loading 18->46 48 Hides threads from debuggers 18->48 50 2 other signatures 18->50 26 backgroundTaskHost.exe 18->26         started        28 backgroundTaskHost.exe 18->28         started        signatures11 process12
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406
Verdict:
Malware
YARA:
2 match(es)
Tags:
Javascript JS Emulation Trace T1047 T1059.007
Link:
https://app.malva.re/file/85a170717579fa34e61145452c2d3bf0
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-29 14:50:33 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=stdig73u7j3yp6gypflpeikvwans7cgdy6bacgxnxjlyqxzrgqda._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection defense_evasion discovery downloader execution privilege_escalation rat trojan
Link:
https://tria.ge/reports/261029-r7ve6ady6r/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Badlisted process makes network request
Family: Guloader,Cloudeye
Family: Remcos
Process spawned unexpected child process
UAC bypass
Malware Config
C2 Extraction:
217.60.195.64:2404
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/94c6837f74fa7787f8d87956f22155b01b2f88c3c782011aedba57885f313406

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:Guloader_Heuristic_VBS_A
Create hunting rule
Author:Ankit Anubhav - ankitanubhav.info
Description:Heuristic to detect 2023 Guloader variant

File information

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

Comments