MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0
SHA3-384 hash: 7f9e0e1a2dedaaca6be42f3fd4d6b587135d4289329c5b3583e5fc5995e1834e4ffef52cc81d5abb87d34fe4518eadf6
SHA1 hash: 84a685412afd151a6c1cf61eb92570ffc57ce01c
MD5 hash: 9c20af09dfb0e9a6c65402bf15931a1c
humanhash: ack-fourteen-minnesota-nineteen
File name:c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0
Download: download sample
Signature GuLoader
Create hunting rule
File size:832'072 bytes
First seen:2026-05-08 13:18:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (301 x GuLoader, 46 x RemcosRAT, 46 x VIPKeylogger)
ssdeep 12288:SNf1CmFPKk4FmsG+RW46zWRTwk+IwecIdmSz0GJOW9wJmm+5GsnbK+vdBesbN6Wz:Sf2xR6zWRTOIw+dEjvsbK+LeshBUE5F
TLSH T1F905C04298C1D276EFE24770D42F08E15037BC6E6AFB684DD8DB70B5DBBB182B11A056
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 ca9c848e2e9c8ccc (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Overexpectant
Issuer:Overexpectant
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-28T09:31:24Z
Valid to:2027-03-28T09:31:24Z
Serial number: 7124716cb974cb83f6292af6366efc0fb9d17fc8
Thumbprint Algorithm:SHA256
Thumbprint: 6807417cfb8b4270213c18ac726d05ee9032e1b0881372b72496af22daa99ad1
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bd545207-798a-4898-9bbb-440bfc1342d0/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Order-34545535535363.tar
Verdict:
Malicious activity
Analysis date:
2026-04-16 06:46:07 UTC
Tags:
arch-exec evasion stealer ultravnc rmm-tool ftp exfiltration agenttesla
Link:
https://app.any.run/tasks/5a0fb6c7-6752-4114-8d8d-d40ecec8f852

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/65279/
Detection(s):
SecuriteInfo.com.Trojan.Inject6.17752.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Delayed reading of the file
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug fingerprint installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69fde3712fcb905ec2888234/reports/e3be515f-475b-4d91-b3e6-d42955772111/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-16T03:36:00Z UTC
Last seen:
2026-05-08T09:37:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C PDM:Trojan.Win32.Generic Trojan.NSIS.Makoob.sbd Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba Exploit.Win64.Crun.e Trojan.Win32.GuLoader.sb Backdoor.Androm.HTTP.Download Trojan-Downloader.Win32.Minix.sb HEUR:Trojan-Downloader.Win32.Minix.gen
Link:
https://opentip.kaspersky.com/c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/63e16787-0a9d-4224-b7ee-c6ff979fd9ce
Score:
63%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0/
Verdict:
Malicious
Threat:
Family.GULOADER
Link:
https://tip.neiki.dev/file/c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-04-16 09:11:33 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhrayg5hkqz7igefzjidrjjp7dfrng5r73emta6mzfsw3gzpyxqa._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/260508-qlwknahw6t/
Behaviour
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0
MD5 hash:
9c20af09dfb0e9a6c65402bf15931a1c
SHA1 hash:
84a685412afd151a6c1cf61eb92570ffc57ce01c
Link:
https://www.unpac.me/results/d9d29abf-076e-4cb4-9011-f8e12ff7f246/
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/d9d29abf-076e-4cb4-9011-f8e12ff7f246/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1e20c1ba754/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c1e20c1ba75433f41885ca5038a52ff8cb169bb1fec8c983ccc9656d9b2fc5e0

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
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/65279/

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