MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 50ce8538ad3fbae1449bb7c6e7fb4a8d593dad5c87e2a1f332aaa80ce459ef64. 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: 14
| SHA256 hash: | 50ce8538ad3fbae1449bb7c6e7fb4a8d593dad5c87e2a1f332aaa80ce459ef64 |
|---|---|
| SHA3-384 hash: | 30225e59816ff227dfcc7a26237cfa9a2d74c55e78ebb57aa37831349182af8144b918d2639cf937f0469aca201c7a6d |
| SHA1 hash: | c806e583ae7972d5f1669636a5b778e5542b1584 |
| MD5 hash: | 9ab4602326beb927310c89572053fa43 |
| humanhash: | vegan-lake-ohio-artist |
| File name: | 50ce8538ad3fbae1449bb7c6e7fb4a8d593dad5c87e2a1f332aaa80ce459ef64 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 571'824 bytes |
| First seen: | 2025-12-08 15:38:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1f23f452093b5c1ff091a2f9fb4fa3e9 (303 x GuLoader, 47 x AgentTesla, 47 x RemcosRAT) |
| ssdeep | 12288:m68ne9z+D7kCXN1SZoenpHHzGK+/wqvJxkfUEpOEfea6NKyfQ:mkz+DDK1nNGK+IAJxkfziPY |
| Threatray | 147 similar samples on MalwareBazaar |
| TLSH | T17AC423A339F1C127C5A6C372992ED8AB47F0845C9418558753516FEAFBA0903E63FF22 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | b9b0707978f0f0e8 (1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Benedicite |
|---|---|
| Issuer: | Benedicite |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-10-11T04:00:13Z |
| Valid to: | 2026-10-11T04:00:13Z |
| Serial number: | 128d0633e752ce5327c26ebc0d452db4e31eaf8b |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 59a7036114816dc7ab598379f20034c346cd152926d4dc04f4b0db2c884fd8ab |
| 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
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
attachments.scr
Verdict:
Malicious activity
Analysis date:
2025-11-24 22:48:09 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
91.7%
Tags:
injection obfusc crypt
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T10:16:00Z UTC
Last seen:
2025-12-08T03:24:00Z UTC
Hits:
~100
Gathering data
Score:
96%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Trojan.Win32.Makoob
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-24 13:33:41 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 137 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery execution persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
50ce8538ad3fbae1449bb7c6e7fb4a8d593dad5c87e2a1f332aaa80ce459ef64
MD5 hash:
9ab4602326beb927310c89572053fa43
SHA1 hash:
c806e583ae7972d5f1669636a5b778e5542b1584
SH256 hash:
f7d98be26c813724c7cb673b53475fe660d3ef4f9930d57a550c91578c660e91
MD5 hash:
723646252e79cbb15c7817360f93a6d2
SHA1 hash:
c9ce61d71b7377456ab49c823fc756336b01f7b5
SH256 hash:
938580b466533dfa1461e9858fd106b60e1a52b713380915cc03afd3e4b4573c
MD5 hash:
98bdb37511634dad8d1236d91d373b26
SHA1 hash:
778cf74b4f8860cc378fa4e61aeba318197783ce
Malware family:
GuLoader
Verdict:
Malicious
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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