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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f
SHA3-384 hash: afe55ea210723b3ea0477c6640efec957f33719ce620d88311a84fdbfc9e40949c93732ec813d86a4e8f9c07b0b4fd9c
SHA1 hash: 8e113fc9626ae4b311981a87f1f8d10122087a64
MD5 hash: a5056507d7e5829094631ffea82cd357
humanhash: quebec-kitten-berlin-network
File name:niceworking.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'554'652 bytes
First seen:2026-09-29 14:11:13 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:soOeBuX99RvTULkTyCKfc9KoTHu0HUqZN/hpv:ZOOut9ZTUYnK2Lb5HUqZRhR
TLSH T14D75305203451B7DF5B90EC4884B215B20F1D95A7928028BDFB36EE7BCBB984DE34636
Magika vba
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/89689/
Detection(s):
SecuriteInfo.com.Script.SNH-gen.21214556.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ace3443853d431abd4e3b99
Tags:
dropper sage blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd cscript dropper encrypted evasive lolbin msbuild obfuscated obfuscated packed wscript
Link:
https://www.filescan.io/uploads/6abbeae6c2502d8fd07cfa6d/reports/32117172-a1cc-4091-9328-9bd3a28bdcc3/overview
Verdict:
Malicious
Labled as:
GT:VB.Heur2.ObfDldr.34
Link:
https://www.hybrid-analysis.com/sample/494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-30T02:32:00Z UTC
Last seen:
2026-09-30T08:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f/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/1979607
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Tries to detect sleep reduction / modifications
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979607 Sample: niceworking.vbs Startdate: 29/09/2026 Architecture: WINDOWS Score: 100 39 pki-goog.l.google.com 2->39 41 mr-b01.tm-azurefd.net 2->41 43 2 other IPs or domains 2->43 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 9 other signatures 2->53 9 wscript.exe 2 2->9         started        signatures3 process4 file5 29 C:\Users\Public\v66343.js, ASCII 9->29 dropped 63 Benign windows process drops PE files 9->63 65 VBScript performs obfuscated calls to suspicious functions 9->65 67 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->67 69 2 other signatures 9->69 13 wscript.exe 1 4 9->13         started        17 cmd.exe 1 9->17         started        signatures6 process7 file8 37 C:\Users\user\AppData\Local\...\engine.exe, PE32 13->37 dropped 79 WScript reads language and country specific registry keys (likely country aware script) 13->79 19 engine.exe 13->19         started        22 conhost.exe 17->22         started        signatures9 process10 signatures11 55 Antivirus detection for dropped file 19->55 57 Multi AV Scanner detection for dropped file 19->57 59 Writes to foreign memory regions 19->59 61 3 other signatures 19->61 24 MSBuild.exe 4 3 19->24         started        process12 dnsIp13 45 74.201.173.189, 15702, 49723, 49724 SINGLEHOP-LLC-InternapHoldingLLCUS United States 24->45 31 C:\Users\user\AppData\...\Login Data.tmp, SQLite 24->31 dropped 33 C:\Users\user\AppData\...\Login Data.tmp, SQLite 24->33 dropped 35 C:\Users\user\...\Login Data For Account.tmp, SQLite 24->35 dropped 71 Contains functionality to bypass UAC (CMSTPLUA) 24->71 73 Detected Remcos RAT 24->73 75 Contains functionalty to change the wallpaper 24->75 77 4 other signatures 24->77 file14 signatures15
Score:
82%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f
Verdict:
Malware
YARA:
1 match(es)
Tags:
ADODB.Stream Batch Command COM Behavior Trace DeObfuscated Obfuscated PowerShell PowerShell Call SOS: 0.56 T1027 T1059 T1059.001 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/a5056507d7e5829094631ffea82cd357
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-29 08:50:12 UTC
File Type:
Text
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jffhbgnnprf4kkhbok7fozeizxpstwh5pyx26olevyp7nmqgaehq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution rat
Link:
https://tria.ge/reports/260929-t8zglszt8j/
Behaviour
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Enumerates connected drives
Indicator Removal: File Deletion
Checks computer location settings
Executes dropped EXE
Family: Remcos
Malware Config
C2 Extraction:
74.201.173.189:15702
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.48
Link:
https://yomi.yoroi.company/submissions/494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f

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:ClamAV_Emotet_String_Aggregate
Create hunting rule

File information

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

Web download

RemcosRAT

Visual Basic Script (vbs) vbs 494a7099ad7c4bc528e172be576488cddf29d8fd7e2faf3964ae1ff6b206010f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3924965/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/89689/

Comments