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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea
SHA3-384 hash: 440ce5e4d1ef6930a7c39a3a12a07da504a197c0501934a2fe494562a4e99793d9222cdfd4b4f10aa325a139d6ea2ef0
SHA1 hash: 0886fb336e46bc3d79b10aa7db8a1651d189e0a3
MD5 hash: e7d9354e548eca86548cb424324cb4a1
humanhash: leopard-beer-carpet-fifteen
File name:ORDER#73672-MAT37367.rar
Download: download sample
Signature GuLoader
Create hunting rule
File size:756'979 bytes
First seen:2026-05-21 13:56:16 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:cZiA0muzy7u59DoS3No5E6lgZgbmlKEZalO701cIOX/w4FvcCW1g:Npz3noSdo5E3akI1iX/vF4g
TLSH T1B0F423EAAFD3399BD73832B02771AD57F866055228666390634E9CFD707B3189C4C923
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 :
28
Origin country :
CH CH
File Archive Information

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

File name:ORDER#73672-MAT37367.exe
File size:787'656 bytes
SHA256 hash: 8b1fcad83099e1daf3accdb39f68a0bd696b053aadc8472e9008fd027a390404
MD5 hash: a22056e4a371b6512e3715adccd24fab
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fd59d2d7-949d-4bd5-bfd6-b2e50c6d580c/
Detection(s):
Win.Trojan.Tedy-10037126-0
Create hunting rule

SecuriteInfo.com.NSIS-19.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject6.15694.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0f14e133e785de369c6422
Tags:
obfuscate injector virus nsis
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm encrypted evasive evasive fingerprint installer installer installer-heuristic masquerade microsoft_visual_cc nsis reconnaissance signed smb
Link:
https://www.filescan.io/uploads/6a0f134eefbd399b39c36583/reports/df551886-a133-47ee-8afc-f0765e0d6e36/overview
Verdict:
Suspicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea
Verdict:
Malicious
File Type:
rar
First seen:
2024-11-11T06:39:00Z UTC
Last seen:
2026-05-21T10:15:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 10:17:15 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader execution persistence ransomware
Link:
https://tria.ge/reports/260521-sc7mnsaz71/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Guloader,Cloudeye
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/f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

GuLoader

rar f1b18ce7fce87a3d83e0552f8a471cdbc37451ed58501637551287ecf75725ea

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments