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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73
SHA3-384 hash: 26f0ebcd3aa322039e8a0c3133b6c8b024508e77eebc0fe828fc3eade328a168966a58c2a6e4a8472e30035b51dedeba
SHA1 hash: 8b57ca26144eea5cdf6cb7c3157d9580aead404a
MD5 hash: 2eecf7b45c85b824872b23e32cafac18
humanhash: july-freddie-whiskey-blue
File name:20261011-000581.js
Download: download sample
Signature GuLoader
Create hunting rule
File size:183'722 bytes
First seen:2026-11-10 09:31:24 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:4mGlCLmGlCxUOfmGlCxUiZzmGlCfmGlCIimGltmGlCxz/mZTmGlCn1gHmGlCxGmb:mKs
TLSH T10B044C70E9300A798F5B27AAFD94072289FD8125463710F5FADA474E61029DCE3BE36D
Magika javascript
Reporter ni_fi_701
Tags:GuLoader js

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
AT AT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af2e4a2463538821bc38cf0
Tags:
virus agent sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Deleting a recently created file
Connection attempt
DNS request
Sending an HTTP GET request
Creating a file in the Windows directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated repaired
Link:
https://www.filescan.io/uploads/6af2e49f8a6c41b60f78a428/reports/712b2224-003e-433b-a365-88e59f02fdd5/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73
Verdict:
Malicious
File Type:
js
Link:
https://opentip.kaspersky.com/d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73/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/2002953
Signature
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
Malicious sample detected (through community Yara rule)
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2002953 Sample: 20261011-000581.js Startdate: 10/11/2026 Architecture: WINDOWS Score: 100 27 enteco.com.br 2->27 39 Malicious sample detected (through community Yara rule) 2->39 41 Yara detected GuLoader 2->41 43 JavaScript source code contains functionality to generate code involving a shell, file or stream 2->43 45 Sigma detected: WScript or CScript Dropper 2->45 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 47 Wscript starts Powershell (via cmd or directly) 9->47 49 Obfuscated command line found 9->49 51 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->51 53 2 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 1 241 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 29 enteco.com.br 108.179.192.54, 443, 49743 ORACLE-BMC-31898-OracleCorporationUS Brazil 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 Switches to a custom stack to bypass stack traces 15->35 37 Powershell connects to network 15->37 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated Javascript PowerShell T1027 T1059.001 T1059.007
Link:
https://app.malva.re/file/2eecf7b45c85b824872b23e32cafac18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2hokaocq25hddlyi7tne26eno2okgl5qzrez4sgkxgoge4o4jnzq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/261110-lhpkqaws4j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Windows directory
Badlisted process makes network request
Process spawned unexpected child process
Malware Family:
outbreak
Create hunting rule
Malicious:
True
Tags:
javascript exec-delay
Link:
https://intel.virussign.com/intelligence/file/d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/d1dca03850d74e31af08fcda4d788d769ca32fb0cc499e48cab99c6271dc4b73

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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