MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 15de4adc811d2db34e50a2147c76722e991a347a847b28abe41a8d52a6bfef9c. 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: 11
| SHA256 hash: | 15de4adc811d2db34e50a2147c76722e991a347a847b28abe41a8d52a6bfef9c |
|---|---|
| SHA3-384 hash: | f73c59798fbf6dc52a5b0cfb08a731a89c56a74dd25a13bb69f707af87efd804a75185e277f208cd3d877f2a3200882c |
| SHA1 hash: | d442c97cbacb36b898d1e597bdfb371b8e0a61d9 |
| MD5 hash: | 98dc76d85d4986cf394b2a4bb12561ba |
| humanhash: | hotel-zebra-pluto-football |
| File name: | 15de4adc811d2db34e50a2147c76722e991a347a847b28abe41a8d52a6bfef9c |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 410'080 bytes |
| First seen: | 2026-10-19 07:52:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 52 x GuLoader, 28 x RemcosRAT) |
| ssdeep | 6144:ZHadpdwMtJOHwt50oC0sn5/uxksQn+HeD8wP3IHUHvuPwPdA9SMfjIxkJMrmCWZQ:ZHad0ncZHUHv3PdAPjIxqrR4 |
| TLSH | T10B94BE912376D862E39443B4855AF77D8AB1FA862D31C23B5AF1ED9FF508F763818210 |
| 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: | Vitally |
|---|---|
| Issuer: | Vitally |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-08-02T03:01:33Z |
| Valid to: | 2027-08-02T03:01:33Z |
| Serial number: | 05187f3659899c87aed2ad6a05af1388cc751a26 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | c3556e9abc6505c90ece2e39bfb369a0b5ec7f7e5fe280773cf9a63bd16c7934 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
92
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
Malware family:
agenttesla
ID:
1
File name:
1.rar
Verdict:
Malicious activity
Analysis date:
2026-09-04 08:57:50 UTC
Tags:
arch-exec stealer ip-check evasion agenttesla ftp exfiltration
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-04T02:59:00Z UTC
Last seen:
2026-10-21T03:50:00Z UTC
Hits:
~10000
Verdict:
Unknown
Score:
63%
Verdict:
Susipicious
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.NSISHeur
Status:
Malicious
First seen:
2026-09-04 21:02:11 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
CloudEyE
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion discovery privilege_escalation
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:
15de4adc811d2db34e50a2147c76722e991a347a847b28abe41a8d52a6bfef9c
MD5 hash:
98dc76d85d4986cf394b2a4bb12561ba
SHA1 hash:
d442c97cbacb36b898d1e597bdfb371b8e0a61d9
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
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: | NSIS |
|---|---|
| Author: | kevoreilly |
| Description: | NSIS Integrity Check function |
| 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. |
| Rule name: | Win_Clipboard_Clipper_Thengavar |
|---|---|
| Author: | Thengavar |
| Description: | Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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