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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f
SHA3-384 hash: 5a567b4333dee49f8769b56707aeb7b2d0a4766919edca0ad2568d64808d882c5b53085909d4265fadc959c8ea1010de
SHA1 hash: 6d27310febcb290aa1e265634e2168233fed62d9
MD5 hash: e91186d51b3c08d16784be23d6d78d80
humanhash: utah-maryland-chicken-black
File name:kết quả hiệu suất làm việc của nhân viên.vbe
Download: download sample
Signature GuLoader
Create hunting rule
File size:57'653 bytes
First seen:2026-09-07 07:13:28 UTC
Last seen:Never
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 1536:WXIVMHJKosn9DjXCbmFTjA/L3p6AujtAhz4wwDX:2fHJVG93akTcj3p3ujtABRwDX
TLSH T1D7436CA2FA68061A4D4F2799EC502E96C9BDD205592315F6BFE8434D500B4DCA3FE36C
Magika vba
Reporter abuse_ch
Tags:GuLoader RAT RemcosRAT vbe

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin
Link:
https://www.filescan.io/uploads/6a9e6443b4ab3602ae743b49/reports/f8c7fb77-b251-4589-9fa8-920c08c9afa6/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-06T22:32:00Z UTC
Last seen:
2026-09-09T05:31:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1969227
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
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: 1969227 Sample: k#U1ebft qu#U1ea3 hi#U1ec7u... Startdate: 07/09/2026 Architecture: WINDOWS Score: 96 27 drive.usercontent.google.com 2->27 29 drive.google.com 2->29 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected GuLoader 2->43 45 Sigma detected: WScript or CScript Dropper 2->45 47 Joe Sandbox ML detected suspicious sample 2->47 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 49 Wscript starts Powershell (via cmd or directly) 9->49 51 Obfuscated command line found 9->51 53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->53 55 2 other signatures 9->55 12 cmd.exe 1 9->12         started        process6 signatures7 57 Wscript starts Powershell (via cmd or directly) 12->57 15 powershell.exe 1 18 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 31 drive.usercontent.google.com 142.250.190.225, 443, 49751 GOOGLE-GoogleLLCUS United States 15->31 33 drive.google.com 142.251.40.238, 443, 49750 GOOGLE-GoogleLLCUS United States 15->33 35 Writes to foreign memory regions 15->35 37 Found suspicious powershell code related to unpacking or dynamic code loading 15->37 39 Switches to a custom stack to bypass stack traces 15->39 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.39 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/e91186d51b3c08d16784be23d6d78d80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f/
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-07 07:14:22 UTC
File Type:
Text (VBS)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdml44uhezpvhh23c6jhmxucnzdmyuxzx7l3bx6u5f6m2pf3skhq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader execution
Link:
https://tria.ge/reports/260907-h2f6xaem5z/
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 NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
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/50d8be7287265f539f5b1792765e826e46cc52f9bfd7b0dfd4e97ccd3cbb928f

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: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.

Comments