🤲🏼 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 a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0
SHA3-384 hash: fb1797c64a9b6335d5ceb0060c853481847ee8daa09fab01b8cbd8f20c0811452676e0524068fa0b7c215a0772aa8325
SHA1 hash: 5145bb8eddc9100f312559ecaa7669a48218d5e9
MD5 hash: abe174c41213116296a3b56ad13516ac
humanhash: river-sixteen-item-nevada
File name:a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'114'344 bytes
First seen:2026-07-07 15:15:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (66 x GuLoader, 32 x AgentTesla, 31 x RemcosRAT)
ssdeep 24576:tTAEyoZdD4loaosHamT/nomuGdhSnaGpFIVbRpsRwpOcd6sdTbe7kNA0jgV67Y/:ZZdDKrokDjdhcIVbRpsqrd/fn8Vak
Threatray 1 similar samples on MalwareBazaar
TLSH T14F352310B3BA8147F0E62234496A33FFDA67EC29058993163F103F577D329B0869B617
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d022d8c8f28f80c0 (44 x GuLoader, 12 x VIPKeylogger, 7 x Formbook)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Ravjyske
Issuer:Ravjyske
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-22T06:49:56Z
Valid to:2027-05-22T06:49:56Z
Serial number: 055f9cf1cb3b5304171df98407b0c752cdc773e0
Thumbprint Algorithm:SHA256
Thumbprint: a48976af6c0a729b4f25101343f6bb3cdfcf1acf2663a6b1898f47ea7d625320
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2204b415-ab22-4d17-8174-bf235211d241/
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73715/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a4d2d37cca42ffab25407b0
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug fingerprint installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a4d261df283379540e310b3/reports/6290acb7-5257-4e1c-b731-41f0c60a3f95/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-19T03:56:00Z UTC
Last seen:
2026-07-08T16:22:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dad0b346-288e-4778-a7bd-9e46a26b0cf8
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0/
Threat name:
Win32.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-06-19 10:10:48 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uaevfkff7ia3i56k7bx5ogvary5mj2qsjsaxrw2l6ztwvgk2bhqa._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery persistence spyware
Link:
https://tria.ge/reports/260707-tv528sat2k/
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Enumerates connected drives
Loads dropped DLL
Boot or Logon Autostart Execution: Active Setup
Unpacked files
SH256 hash:
a00952a8a5fa01b477caf86fd71aa08e3ac4ea124c8178db4bf6676a995a09e0
MD5 hash:
abe174c41213116296a3b56ad13516ac
SHA1 hash:
5145bb8eddc9100f312559ecaa7669a48218d5e9
Link:
https://www.unpac.me/results/c306f6b6-0a1c-4c53-b22f-4c24fabc79f9/
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
Link:
https://www.unpac.me/results/c306f6b6-0a1c-4c53-b22f-4c24fabc79f9/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a00952a8a5fa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:NSIS
Create hunting rule
Author:kevoreilly
Description:NSIS Integrity Check function
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Cape
Cape
https://www.capesandbox.com/analysis/73715/

Comments