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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda
SHA3-384 hash: 3284e1497fe4ad977c054a37ac6d53d821d4c9cac3052e45bd23aa5044155f688d1dcd129286b44759619c3abc778e55
SHA1 hash: 83a77d7cc057f6ec9d018c5a63cde184c0d03c87
MD5 hash: 9f4fd058994a0f691ca5aabbfc5a458d
humanhash: utah-grey-michigan-michigan
File name:Stakladerne.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:77'072 bytes
First seen:2026-10-30 07:31:05 UTC
Last seen:2026-10-30 12:17:10 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:55rP1JAVi+551LDkztmSFsYLTwnAnQoKB:55r1JAL555kzt/FsY/KAQx
TLSH T1F673D42CBB1301C40A471799E8B5C95087ED3D3FE11230EAAB9BE2791033D6EEE79159
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/96128/
Detection(s):
SecuriteInfo.com.VBS.Agent-CHF.56129313.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
N/A%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae447d0b121dd519dcecee2
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin obfuscated squirrel
Link:
https://www.filescan.io/uploads/6ae447c73b7b8c478aa994c6/reports/de0b0a9a-155c-4bec-845a-0d4df594df50/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.CJZ2
Link:
https://www.hybrid-analysis.com/sample/a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-29T17:51:00Z UTC
Last seen:
2026-11-01T05:15:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1995182
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell connects to network
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
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 Powershell decode and execute
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1995182 Sample: Stakladerne.vbs Startdate: 30/10/2026 Architecture: WINDOWS Score: 100 52 drive.usercontent.google.com 2->52 54 drive.google.com 2->54 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 11 other signatures 2->74 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 76 VBScript performs obfuscated calls to suspicious functions 10->76 78 Wscript starts Powershell (via cmd or directly) 10->78 80 Obfuscated command line found 10->80 82 3 other signatures 10->82 13 cmd.exe 1 10->13         started        process6 signatures7 98 Wscript starts Powershell (via cmd or directly) 13->98 16 powershell.exe 1 18 13->16         started        20 conhost.exe 13->20         started        22 cmd.exe 1 13->22         started        process8 dnsIp9 48 drive.google.com 142.251.35.78, 443, 49738, 49743 GOOGLE-GoogleLLCUS United States 16->48 50 drive.usercontent.google.com 142.251.45.1, 443, 49739, 49744 GOOGLE-GoogleLLCUS United States 16->50 58 Writes to foreign memory regions 16->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 16->60 62 Switches to a custom stack to bypass stack traces 16->62 64 Powershell connects to network 16->64 24 backgroundTaskHost.exe 4 11 16->24         started        29 backgroundTaskHost.exe 16->29         started        66 Installs a global keyboard hook 20->66 signatures10 process11 dnsIp12 56 102.220.161.195, 2404, 49745, 49746 VPSDEDICATED-ASUS Slovenia 24->56 40 C:\Users\user\AppData\Local\Temp\TH1D87.tmp, MS-DOS 24->40 dropped 42 C:\Users\user\AppData\Local\Temp\TH1D66.tmp, MS-DOS 24->42 dropped 44 C:\Users\user\AppData\Local\Temp\TH1D36.tmp, PE32 24->44 dropped 46 C:\ProgramData\remcos\logs.dat, data 24->46 dropped 84 Detected Remcos RAT 24->84 86 Writes to foreign memory regions 24->86 88 Maps a DLL or memory area into another process 24->88 90 Installs a global keyboard hook 24->90 31 RmClient.exe 13 24->31         started        34 RmClient.exe 1 24->34         started        36 RmClient.exe 1 24->36         started        38 backgroundTaskHost.exe 24->38         started        92 Found hidden mapped module (file has been removed from disk) 29->92 94 Unusual module load detection (module proxying) 29->94 96 Switches to a custom stack to bypass stack traces 29->96 file13 signatures14 process15 signatures16 100 Tries to steal Mail credentials (via file registry) 31->100 102 Tries to harvest and steal browser information (history, passwords, etc) 31->102 104 Unusual module load detection (module proxying) 31->104 106 Tries to steal Instant Messenger accounts or passwords 34->106 108 Tries to steal Mail credentials (via file / registry access) 34->108
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.30 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/9f4fd058994a0f691ca5aabbfc5a458d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda/
Threat name:
Script-WScript.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-10-29 21:21:13 UTC
File Type:
Text (VBS)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufatqg6i2u4q42e6ih5s7hu6gsrthnctzrlnjmhrp5bb55glx3na._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution privilege_escalation
Link:
https://tria.ge/reports/261030-jcj2yaav4t/
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
Reads the TCP/IP host and domain name from the registry
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
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/a141381bc8d5390e689e41fb2f9e9e34a333b453cc56d4b0f17f421ef4cbbeda

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: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/96128/

Comments