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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d
SHA3-384 hash: 9798bcd37c39b784815ec0ff7e76b59e198a05c9cfda23bf6ab76478f21d08fe6cc214f187fc6caf134431fd53363eab
SHA1 hash: 977a196fd0603e8eb2ed50854168f2825f3b51ff
MD5 hash: 929857700d7f39281030da554d621370
humanhash: white-happy-michigan-hot
File name:Quickcopy_315901 INV1038951.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:50'059 bytes
First seen:2026-11-04 10:53:46 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:0koNHrTegaSITWPIydxvY6U6QNfEU9JhfON9MQNw409W7+oMVd8vR:0fr6gaDodJHQNfE+7O9Lw4r7+oM6R
TLSH T1B9238C76CD165366881727FAFC485AB4C5F8A4620A1310B4BFDD738E2417A6CA37D10F
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/97175/
Detection(s):
SecuriteInfo.com.VBS.Agent-CHG.23664548.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6aeb0eef3970fcef1e4b036d
Tags:
crypted proxy shell sage
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Sending a custom TCP request
DNS request
Connection attempt
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6aeb0f4957648145bb10f080/reports/d3e36a0f-f1af-4490-8bf6-1523927b1035/overview
Verdict:
Malicious
Labled as:
GT:VB.Phishing.51
Link:
https://www.hybrid-analysis.com/sample/1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d
Verdict:
Malicious
File Type:
vbs
First seen:
2026-11-03T05:49:00Z UTC
Last seen:
2026-11-05T06:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d/results?tab=lookup
Result
Threat name:
Aleta, Annabelle, Colossus, Drill Ransom
Create hunting rule
Detection:
malicious
Classification:
rans.bank.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1998092
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)
Multi AV Scanner detection for submitted file
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
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 Aleta Ransomware
Yara detected Annabelle Ransomware
Yara detected Colossus Ransomware
Yara detected Drill Ransomware
Yara detected Erbium Stealer
Yara detected GuLoader
Yara detected Korplug
Yara detected LOCKFILE ransomware
Yara detected Mekotio
Yara detected Metamorfo
Yara detected Monkey Ransomware
Yara detected NOKOYAWA Ransomware
Yara detected PlugX
Yara detected Prestige Ransomware
Yara detected Pyschedelic Ransomware
Yara detected RansomHub Ransomware
Yara detected ShadowRoot Ransomware
Yara detected White Rabbit Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1998092 Sample: Quickcopy_315901 INV1038951.vbs Startdate: 04/11/2026 Architecture: WINDOWS Score: 100 27 biomedica.al 2->27 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Korplug 2->43 45 19 other signatures 2->45 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 47 VBScript performs obfuscated calls to suspicious functions 9->47 49 Wscript starts Powershell (via cmd or directly) 9->49 51 Obfuscated command line found 9->51 53 3 other signatures 9->53 12 cmd.exe 1 9->12         started        process6 signatures7 55 Wscript starts Powershell (via cmd or directly) 12->55 15 powershell.exe 1 18 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 29 biomedica.al 80.91.126.196, 49720, 80 ABISSNETAL Albania 15->29 31 Writes to foreign memory regions 15->31 33 Found suspicious powershell code related to unpacking or dynamic code loading 15->33 35 Hides threads from debuggers 15->35 37 2 other signatures 15->37 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d
Verdict:
Malware
YARA:
2 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated PowerShell SOS: 0.36 T1027 T1059.001 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/929857700d7f39281030da554d621370
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d/
Threat name:
Script-WScript.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-11-03 11:53:50 UTC
File Type:
Text (VBS)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dplmnqjjibiqn43plb75etfe3adwtijj2ufud4fs55ssy3hz4i6q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:seniorman$ defense_evasion discovery downloader execution persistence privilege_escalation rat
Link:
https://tria.ge/reports/261104-mzrl3sht71/
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 NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
seniorman.duckdns.org:51833
seniormanbk.duckdns.org:58192
Malware Family:
sagent
Create hunting rule
Malicious:
True
Tags:
obfuscated run-file environ write-file vba
Link:
https://intel.virussign.com/intelligence/file/1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d
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/1bd6c6c129405106f36f587fd24ca4d80769a129d50b41f0b2ef652c6cf9e23d

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

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/97175/

Comments