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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c
SHA3-384 hash: c2f86ea995f7ba3992403d7d8bd86a3dad741ec78c700761b551bee0a4229ade1c325eaf28635f302095f6d8d531422c
SHA1 hash: ffc031bff202701a357eadcfda4e9beac2cd18d7
MD5 hash: ae85f892bade5ab53b6bc96f831c5f18
humanhash: fillet-nevada-mountain-lamp
File name:20260916-000581.tar
Download: download sample
Signature GuLoader
Create hunting rule
File size:17'817 bytes
First seen:2026-10-14 15:16:21 UTC
Last seen:2026-10-14 15:16:35 UTC
File type: tar
MIME type:application/vnd.rar
ssdeep 384:UoqtwdUTCXZagG66AQPIt1NNOnEkucD+PDC9XtKGhKwks7dqDG4zyaW:XqtWUTCJ5b6MCnxVD+P6XAVyaW
TLSH T10982E0A9A8ABDD561F901CAD04F0B115900172B09F97C5D4D7D6E68738AAF32F9722F0
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter TomU
Tags:GuLoader tar

Intelligence

File Origin
# of uploads :
2
# of downloads :
42
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:20260916-000581.js
File size:33'615 bytes
SHA256 hash: de9ba5bc61ed5723b7c7fdfd497c777ebca3400e86393d15690e0a16fa830ae1
MD5 hash: 0d7a31ad4b18e2ae6dd3b1fdcb9676f9
MIME type:text/plain
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1e99272f-8d13-41e6-9ff1-92e2fda5068a/
Detection(s):
Sanesecurity.Foxhole.JS_Rar_1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Script.SNH-gen.95487799.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6acb94cd24e6899c145f4507
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
downloader repaired
Link:
https://www.filescan.io/uploads/6acf9cd10ddf906851a8f2c1/reports/abff5621-ecbc-4158-b94e-4e0549397ed3/overview
Verdict:
Suspicious
Labled as:
HEUR/Suspar.Generic
Link:
https://www.hybrid-analysis.com/sample/55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c
Verdict:
Malicious
File Type:
rar
First seen:
2026-09-16T04:42:00Z UTC
Last seen:
2026-10-15T11:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c/results?tab=lookup
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Rar Archive
Link:
https://app.malva.re/file/ae85f892bade5ab53b6bc96f831c5f18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-09-16 11:41:24 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kw33wuykqc3xho7usa4di7dkl5364udlxjixjko5jqzpsqllfiwa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/261014-s32t4sew4p/
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
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/55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c

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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

tar 55b7bb530a80b773bbf49038347c6a5f77ee506bba5174a9dd4c32f9416b2a2c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments