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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575
SHA3-384 hash: 9d4f9202c2d9c2f93f295167aa4ee9b3966405f9aa8648f9bec21b5a45152408b222e1c4a7cc89adb1efaa30366475d8
SHA1 hash: 0a50beed34a72bb71acc15ecb716381efe17002b
MD5 hash: 47599b54615ef56b426e4faeae49b6e0
humanhash: mockingbird-cold-mango-robert
File name:a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575
Download: download sample
Signature GuLoader
Create hunting rule
File size:351'024 bytes
First seen:2026-03-06 14:59:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7eae418c7423834ffc3d79b4300bd6fb (66 x GuLoader, 23 x RemcosRAT, 21 x AgentTesla)
ssdeep 6144:RNDlOLZLClTgEN7wbVniH2QgD/IAtExxJ7l43KVTeR0jEX0Nbdi:Rk8TgEN7+FiYD5tKv9peRtXwbU
TLSH T18E74E04BE717A910C2868933D9F548FAEBB09D23A455043E3352BF1A4D398CECE1917E
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 c0c0d2c6c0eca680 (4 x RemcosRAT, 4 x GuLoader, 2 x AgentTesla)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Slidlags
Issuer:Slidlags
Algorithm:sha256WithRSAEncryption
Valid from:2026-01-19T11:10:43Z
Valid to:2027-01-19T11:10:43Z
Serial number: 78406d3e0d2eb67999df6d472a750728b72194fa
Thumbprint Algorithm:SHA256
Thumbprint: c8c893e6c0a3367656e380861eb4aaa21e221153d868afb291ceb27d6361c60c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/38f831bb-d7aa-4f83-9396-b09c1f93e2dc/
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/56073/
Detection(s):
SecuriteInfo.com.Trojan.Agent.EKCH.14211.11984.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69aaec62002d37d5c984c2b0
Tags:
uloader androm virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69aaebee97feb4afd67011f6/reports/cb1135de-36bd-49f6-afe4-f466a212dc63/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575
Verdict:
Malicious
File Type:
exe x32
Link:
https://opentip.kaspersky.com/a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575/results?tab=lookup
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3c41c806-f03b-4264-8261-690c4c61857e
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-02-17 03:58:49 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uep5udg7xxneae7y2ralldhfrlxmzhvasiqkxb6gucgpcvevcv2q._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/260306-sddqzsaz8t/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575
MD5 hash:
47599b54615ef56b426e4faeae49b6e0
SHA1 hash:
0a50beed34a72bb71acc15ecb716381efe17002b
Link:
https://www.unpac.me/results/457415db-7914-4f2a-9f89-cabf95b8e003/
SH256 hash:
c5ba017732597a82f695b084d1aa7fe3b356168cc66105b9392a9c5b06be5188
MD5 hash:
ec9640b70e07141febbe2cd4cc42510f
SHA1 hash:
64a5e4b90e5fe62aa40e7ac9e16342ed066f0306
Link:
https://www.unpac.me/results/457415db-7914-4f2a-9f89-cabf95b8e003/
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
Link:
https://www.unpac.me/results/457415db-7914-4f2a-9f89-cabf95b8e003/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a11fda0cdfbd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
Link:
https://yomi.yoroi.company/submissions/a11fda0cdfbdda4013f8d440b58ce58aeecc9ea09220ab87c6a08cf154951575

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/56073/

Comments