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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a
SHA3-384 hash: 9c9a1769dc9342422b24c334cd3c66ca7b8da8a66775b5316774e3a0d78f9ec95a196b3bd8eb1f26a04e46dd6d0f97d2
SHA1 hash: 461930f50c3781cf104e27ecfcbf99194663a4f0
MD5 hash: 5da2a2b1abf9d8960c36a0bd1e3fdae0
humanhash: chicken-ohio-music-sixteen
File name:Transaction_1749465135-34231234.tar.rar
Download: download sample
Signature GuLoader
Create hunting rule
File size:545'159 bytes
First seen:2026-05-20 17:33:08 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:DM8rds4EBJ/8rEoPIH0caem9RZSadgpNTdn3r3cwjDR52V4Su5scoJ:/rdpEBJEr8H0caV92TxdnbZF3scoJ
TLSH T1E6C4233C959126F76399AAF5E55896BC0CC61021EEBD307A36F104F4388DB946EC2773
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 rar

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
CH CH
File Archive Information

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

File name:Transaction 1749465135-34231234.exe
File size:568'648 bytes
SHA256 hash: d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1
MD5 hash: 9fde223287140feb349f16157ecdc3ce
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/43059512-76e9-400e-a468-597c24df288f/
Detection(s):
Win.Trojan.Guloader-10059531-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0dfcb34159ce11f601db73
Tags:
injection obfusc virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive expired-cert installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a0df3df861ee596e641abd6/reports/2fb6e04c-3a9b-4162-a021-3d56a692dd89/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a
Verdict:
Malicious
File Type:
rar
First seen:
2025-06-09T11:38:00Z UTC
Last seen:
2026-05-18T08:58:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-06-09 13:31:14 UTC
File Type:
Binary (Archive)
Extracted files:
22
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hkjfstlqb5uyzgpaf5evlcfw2zf5b76ytivysew4xeyh3m3exsfa._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

GuLoader

rar 3a92594d700f698c99e02f495588b6d64bd0ffd89a2b8912dcb9307db364bc8a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments