MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 940560773b60d2646cbc4e12922df8038654b7c14f815907b14d64f84b328d5b. 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
| SHA256 hash: | 940560773b60d2646cbc4e12922df8038654b7c14f815907b14d64f84b328d5b |
|---|---|
| SHA3-384 hash: | bddec32b681b5d0f727517977451d19556d15b3ec1e4dbbdcec66f8f6b23399e2ea88a8c3a57df72c4afc87bc1e333e8 |
| SHA1 hash: | 28da4d8be36cb1d0e13650bfc64aef910664a635 |
| MD5 hash: | b94c1f1b142c41557dc650f98d8ec5c0 |
| humanhash: | johnny-six-don-south |
| File name: | 940560773b60d2646cbc4e12922df8038654b7c14f815907b14d64f84b328d5b |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'038'232 bytes |
| First seen: | 2026-05-08 12:18:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 24576:3xRqLgr6lINUekv8T+bqbCtgRQ9VaI9D4CUwpwu:BRqUWlINQuCtgSM7wau |
| Threatray | 2'385 similar samples on MalwareBazaar |
| TLSH | T1E62523831BF0D489D8960D341FB64327FEA2E44B7AE5934B5328DB4D2FA354434AA3E5 |
| 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 |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Mycetous |
|---|---|
| Issuer: | Mycetous |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-02-28T08:33:19Z |
| Valid to: | 2027-02-28T08:33:19Z |
| Serial number: | 1bc006ae8d20e30df5132384e450472939066ee9 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 8eb2fa00d885ee2810c24a3178d0398a666692126e552726974b834ccf75df17 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
104
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
nómina de marzo de 2026.pdf.uue
Verdict:
No threats detected
Analysis date:
2026-03-31 21:37:14 UTC
Tags:
arch-exec
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Gathering data
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Launching a service
Restart of the analyzed sample
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-31T11:02:00Z UTC
Last seen:
2026-05-09T11:23:00Z UTC
Hits:
~1000
Verdict:
Suspicious
Score:
89%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2026-03-31 14:39:48 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
18 of 36 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'375 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Unpacked files
SH256 hash:
940560773b60d2646cbc4e12922df8038654b7c14f815907b14d64f84b328d5b
MD5 hash:
b94c1f1b142c41557dc650f98d8ec5c0
SHA1 hash:
28da4d8be36cb1d0e13650bfc64aef910664a635
SH256 hash:
feb6364375d0ab081e9cdf11271c40cb966af295c600903383b0730f0821c0be
MD5 hash:
ca95c9da8cef7062813b989ab9486201
SHA1 hash:
c555af25df3de51aa18d487d47408d5245dba2d1
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | VECT_Ransomware |
|---|---|
| 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.