MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 725be2e8191a5d977de55397cd4d7d000b9673ea2f0c6c824e066e772f40d479. 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: 15
| SHA256 hash: | 725be2e8191a5d977de55397cd4d7d000b9673ea2f0c6c824e066e772f40d479 |
|---|---|
| SHA3-384 hash: | 828c70b9a9c2083f5f16416b50457df28caf132d84289bfbc5aec5e9b88e0e36a1dda23cce98d53692926b1dfb3d259f |
| SHA1 hash: | 63a4e1935c3978ef39b10ddbb8d267397503ead9 |
| MD5 hash: | 0811fdc7cebc842a0a79f71d82cacddb |
| humanhash: | vegan-october-sixteen-moon |
| File name: | 11230009785545.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 241'728 bytes |
| First seen: | 2026-05-15 08:52:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c05041e01f84e1ccca9c4451f3b6a383 (142 x RedLineStealer, 107 x GuLoader, 64 x DiamondFox) |
| ssdeep | 3072:puxVUg3yGDRb8lc7uC45AY4EDSZikv8zhmNiFxBBZZjiq8S/HGRjI04i/d3wyIfd:4gORay9YaZUINqBBZ1J+jIMB+HJi0pZn |
| TLSH | T15934122933E5C863EBB14E301E3A0BB52D7AF957105C934317946B0EBD77181AE1FA26 |
| 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 | c4dadadad2f492c2 (138 x GuLoader, 49 x RemcosRAT, 23 x VIPKeylogger) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Forhoret |
|---|---|
| Issuer: | Forhoret |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-04-08T01:53:04Z |
| Valid to: | 2027-04-08T01:53:04Z |
| Serial number: | 13bbf640baebdd32e89bfe44d87c17870ae84cf4 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | e07aed530b450a9618ffcb43728f2edd4565ecf1f2208cab1fc8f3c20081e8e6 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
125
Origin country :
DEVendor 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:
_725be2e8191a5d977de55397cd4d7d000b9673ea2f0c6c824e066e772f40d479.exe
Verdict:
Malicious activity
Analysis date:
2026-05-15 08:53:06 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc crypt
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
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-12T21:09:00Z UTC
Last seen:
2026-05-16T09:34:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Win32.Minix.sb Packed.NSIS.Krynis.sb HEUR:Trojan-Downloader.Win32.Minix.gen HEUR:Backdoor.Win32.Androm.gen Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
Malware family:
Unlabeled
Verdict:
Unknown
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
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.NSIS.Makoob
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-05-13 00:05:26 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
18 of 36 (50.00%)
Threat level:
2/5
Detection(s):
Suspicious file
Gathering data
Unpacked files
SH256 hash:
725be2e8191a5d977de55397cd4d7d000b9673ea2f0c6c824e066e772f40d479
MD5 hash:
0811fdc7cebc842a0a79f71d82cacddb
SHA1 hash:
63a4e1935c3978ef39b10ddbb8d267397503ead9
SH256 hash:
b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
MD5 hash:
a1da6788aeaf78ca4ae1dece8019e49d
SHA1 hash:
d770155e6e9aa69223be198c44a8da26a1756d89
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
| 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. |
| Rule name: | Win_FakeInstaller_PythonShellcodeLoader_Crepectl_2026 |
|---|---|
| Author: | SixHands |
| Description: | Detects the analyzed fake installer sample using .key config, XOR key, and Python/fiber shellcode loader traits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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