🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba
SHA3-384 hash: 381d90bb13da1c5aba001425e39108f8f7e50422cb92a30ad9b95b79d26abf7efea71e683da01023e0c9798eff484f7d
SHA1 hash: ef8c951e84b856657c4e50e86bdea9f0f1647629
MD5 hash: 2fc2393ef6de6c9a5c3e6fec620f4870
humanhash: oscar-minnesota-angel-batman
File name:Draft Shipping - documents - BLPLCOCI.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:18'047 bytes
First seen:2026-09-24 05:43:13 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:5EReT4D2fyeVN0edXHysXPn4gU+wdWJHFlspcge7BWQCHDMhAI:CReGAtDbXP4gicdFKOJCa
TLSH T1158218789F8E910FCCD717A2445DA974547A41B20270C8AC7FDCBBE94E0674879FC68A
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/88772/
Detection(s):
SecuriteInfo.com.VBS.Agent-CGU.53329686.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd encrypted lolbin masquerade
Link:
https://www.filescan.io/uploads/6ab4b87e0031b3f3e42e9b14/reports/a869efd6-32d0-4565-920d-0e1f609b1f43/overview
Verdict:
Malicious
Labled as:
VBS/Agent.CJZ4
Link:
https://www.hybrid-analysis.com/sample/649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-23T21:28:00Z UTC
Last seen:
2026-09-24T02:33:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba/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/1977240
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)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1977240 Sample: Draft Shipping - documents ... Startdate: 24/09/2026 Architecture: WINDOWS Score: 100 30 drive.usercontent.google.com 2->30 32 drive.google.com 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected GuLoader 2->44 46 3 other signatures 2->46 9 wscript.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 56 VBScript performs obfuscated calls to suspicious functions 9->56 58 Wscript starts Powershell (via cmd or directly) 9->58 60 Obfuscated command line found 9->60 62 3 other signatures 9->62 15 cmd.exe 1 9->15         started        38 127.0.0.1 unknown unknown 12->38 signatures6 process7 signatures8 64 Wscript starts Powershell (via cmd or directly) 15->64 18 powershell.exe 1 18 15->18         started        22 conhost.exe 15->22         started        24 cmd.exe 1 15->24         started        process9 dnsIp10 34 drive.google.com 74.125.137.102, 443, 49700 GOOGLE-GoogleLLCUS United States 18->34 36 drive.usercontent.google.com 74.125.137.132, 443, 49702 GOOGLE-GoogleLLCUS United States 18->36 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->48 50 Writes to foreign memory regions 18->50 52 Tries to detect Any.run 18->52 54 3 other signatures 18->54 26 backgroundTaskHost.exe 18->26         started        28 backgroundTaskHost.exe 18->28         started        signatures11 process12
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.32 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/2fc2393ef6de6c9a5c3e6fec620f4870
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba/
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 00:27:57 UTC
File Type:
Text (VBS)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mso4x5k7o6v6zcdv4qhibvo5csm43b25alb5jhvfykyb5lfjms5a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/260924-gesezsfc23/
Behaviour
Suspicious behavior: EnumeratesProcesses
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 QEMU agent file
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/649dcbf55f77abec8875e40e80d5dd1499cd875d02c3d49ea5c2b01eaca964ba

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

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/88772/

Comments