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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb. 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


GuLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb
SHA3-384 hash: 7c3bbbe0b38e964d93fbf89d52b4d2ff7fdc067b752b2c968e3d7c0631978fb96d670acb67109ec163dcbf1e48193255
SHA1 hash: 5978f2f7eeff3bdad4d081f473576018c2d9cd72
MD5 hash: 603a487f38b41f5ef4f75617e5d9e4d8
humanhash: autumn-island-wolfram-queen
File name:Sakse.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:387'918 bytes
First seen:2026-09-17 15:07:37 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:PqUFF7OAOyBV18CElYuGG1KAjjlFGpgWrJnSPvd7oIuduUCpzI6hRM6TeyC:Pq8oltGG1Vg4P1TwD
TLSH T1D1844B20ED3406690F471BA9FDA50B628ABDC619562650F1FEEA030D61075FCE3FE768
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/86209/
Detection(s):
SecuriteInfo.com.Trojan.VBS.Agent.32078.1575.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin
Link:
https://www.filescan.io/uploads/6aac02627f0fb3ff0c5bcd71/reports/cd588998-ae0f-4b36-b99c-c02d9cda1329/overview
Verdict:
Malicious
Labled as:
PowerShell/CloudEye.LW trojan
Link:
https://www.hybrid-analysis.com/sample/34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-17T07:21:00Z UTC
Last seen:
2026-09-19T09:20:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1974330
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1974330 Sample: Sakse.vbs Startdate: 17/09/2026 Architecture: WINDOWS Score: 100 36 drive.usercontent.google.com 2->36 38 drive.google.com 2->38 40 cl-glcb907925.gcdn.co 2->40 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 6 other signatures 2->56 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 62 VBScript performs obfuscated calls to suspicious functions 10->62 64 Wscript starts Powershell (via cmd or directly) 10->64 66 Obfuscated command line found 10->66 68 3 other signatures 10->68 13 cmd.exe 1 10->13         started        process6 signatures7 70 Wscript starts Powershell (via cmd or directly) 13->70 16 powershell.exe 1 16 13->16         started        20 conhost.exe 13->20         started        22 cmd.exe 1 13->22         started        process8 dnsIp9 32 drive.google.com 142.251.35.78, 443, 49714, 49724 GOOGLE-GoogleLLCUS United States 16->32 34 drive.usercontent.google.com 192.178.164.132, 443, 49715, 49725 GOOGLE-GoogleLLCUS United States 16->34 44 Writes to foreign memory regions 16->44 46 Found suspicious powershell code related to unpacking or dynamic code loading 16->46 48 Switches to a custom stack to bypass stack traces 16->48 24 backgroundTaskHost.exe 4 6 16->24         started        28 backgroundTaskHost.exe 16->28         started        signatures10 process11 dnsIp12 42 130.12.182.211, 2404, 49727, 49728 VPSDEDICATED-ASUS Slovenia 24->42 58 Detected Remcos RAT 24->58 30 backgroundTaskHost.exe 24->30         started        60 Unusual module load detection (module proxying) 28->60 signatures13 process14
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb/
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-17 12:56:37 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gq4q7puyfv2hgvkmyuoewxke6ukx6ibxzq3gghjxulia7bnqelvq._file
Verdict:
malicious
Label(s):
Remcos
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Link:
https://reports.threatray.com/cfa73768-38a8-4756-8698-a8e8fc0137ae
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/260917-sh37fa1tcy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Remcos
Malware Config
C2 Extraction:
130.12.182.211:2404
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/34390fbe982d/report/overview.html
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/34390fbe982d7473554cc51c4b5d44f5157f2037cc36631d37a2d00f85b022eb

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Guloader_VBScript
Create hunting rule
Author:Ankit Anubhav - ankitanubhav.info
Description:Detects GuLoader/CloudEye VBScripts
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.

Cape
Cape
https://www.capesandbox.com/analysis/86209/

Comments