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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da
SHA3-384 hash: cb3d01c0a8c3a3c46c8748a87af5ce5fa7c9276c8df8c69f10ded1c295160393a2bc4d6418a3aa190b2400325310937e
SHA1 hash: 190dc8c4ee43b13316484413ef4d85735ed14db7
MD5 hash: 990300b9a5d70083efb08ba5849b60c7
humanhash: sad-charlie-triple-zebra
File name:RFQ-033-N-F-GH.vbe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:192'261 bytes
First seen:2026-09-30 08:29:30 UTC
Last seen:Never
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 3072:PDH2TO4qWAdMsvAtS6en4IrHaWnOARGEHA1JYW/HmOIYHnKMjxvd9kE:PT2TO4q5MsvHV6iVRGys6WvmOHK+x1D
TLSH T11E144C30EE2402690F47179AFCA55A62CABC8619862650F5FEDD070D61078ECE3FE76D
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbe

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin obfuscated
Link:
https://www.filescan.io/uploads/6abcc8c2ff8b03318b38c4da/reports/2a9789a6-9c6b-420b-8858-e7ba776c197a/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.CJZ2
Link:
https://www.hybrid-analysis.com/sample/fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-29T18:22:00Z UTC
Last seen:
2026-10-01T07:11:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da/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/1979858
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979858 Sample: RFQ-033-N-F-GH.vbe Startdate: 30/09/2026 Architecture: WINDOWS Score: 100 27 pki-goog.l.google.com 2->27 29 drive.usercontent.google.com 2->29 31 2 other IPs or domains 2->31 45 Malicious sample detected (through community Yara rule) 2->45 47 Yara detected GuLoader 2->47 49 Sigma detected: WScript or CScript Dropper 2->49 51 Joe Sandbox ML detected suspicious sample 2->51 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 53 Wscript starts Powershell (via cmd or directly) 9->53 55 Obfuscated command line found 9->55 57 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->57 59 2 other signatures 9->59 12 cmd.exe 1 9->12         started        process6 signatures7 61 Wscript starts Powershell (via cmd or directly) 12->61 15 powershell.exe 1 18 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 33 drive.usercontent.google.com 142.251.163.132, 443, 49722 GOOGLE-GoogleLLCUS United States 15->33 35 drive.google.com 192.178.155.101, 443, 49720 GOOGLE-GoogleLLCUS United States 15->35 37 Writes to foreign memory regions 15->37 39 Found suspicious powershell code related to unpacking or dynamic code loading 15->39 41 Hides threads from debuggers 15->41 43 2 other signatures 15->43 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.37 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/990300b9a5d70083efb08ba5849b60c7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da/
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-30 00:41:06 UTC
File Type:
Text (VBS)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7i26xxoys2tk7khttk2ey2fl36ymt2psqkmsznctzlkndzd6elna._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
Link:
https://tria.ge/reports/260930-kekxpayw6p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Enumerates connected drives
Checks computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
102.220.163.40:2404
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da

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:Cerberus
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Comments