MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 11a563757a79333564f1eda8325816a621d4f404c282245c8a382f0ec9e2dcfb. 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: 13
| SHA256 hash: | 11a563757a79333564f1eda8325816a621d4f404c282245c8a382f0ec9e2dcfb |
|---|---|
| SHA3-384 hash: | e4ff7781a29a53a0decea7f9cf118dcd9bfea15bf59098f808bb1aad31a015e233b2f502515ace1ac7fc5be1eb4531e1 |
| SHA1 hash: | e4c82332c18ec8204e754fdf39119f02735adea5 |
| MD5 hash: | 693d96e5e78e84dffa825682015ed434 |
| humanhash: | oregon-artist-eleven-november |
| File name: | MY00111Q0562482MYKUL.pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 585'618 bytes |
| First seen: | 2026-05-21 14:03:40 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2a592076b17ef8bfb48b7e03965a3fc (419 x GuLoader, 63 x RemcosRAT, 52 x AgentTesla) |
| ssdeep | 12288:Eq14BlXN3B44aZKwRFyR3oYVkWY04v2yItybWaDC:ElXJGjMwRFyKYVXX4oybWmC |
| Threatray | 2'410 similar samples on MalwareBazaar |
| TLSH | T156C402A42BB8CA13F780AA38F1E0F77DAB74EEA81E42D61356E93D4F75353655C24102 |
| 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 |
| File icon (PE): |  |
| dhash icon | fcd8d8c8ceeee4c0 (1 x GuLoader) |
| Reporter |  TomU |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
104
Origin country :
CHVendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
underscore rapid
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Launching a process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic masquerade microsoft_visual_cc nsis powershell reconnaissance
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2024-08-28T21:58:00Z UTC
Last seen:
2026-05-22T00:02:00Z UTC
Hits:
~1000
Verdict:
Unknown
Score:
99%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-08-29 02:56:20 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 36 (63.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'400 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
11a563757a79333564f1eda8325816a621d4f404c282245c8a382f0ec9e2dcfb
MD5 hash:
693d96e5e78e84dffa825682015ed434
SHA1 hash:
e4c82332c18ec8204e754fdf39119f02735adea5
SH256 hash:
067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
MD5 hash:
0d45588070cf728359055f776af16ec4
SHA1 hash:
c4375ceb2883dee74632e81addbfa4e8b0c6d84a
SH256 hash:
f0339333b6fc5e1535fda3663d75eb221f360da6121942ff41411c1d64020de6
MD5 hash:
10a95c6950140ca851e3e72d74553677
SHA1 hash:
dfeda48e6c8ea40217689b4057cc187482a1ece5
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: | 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.
Malspam
Delivery method
Distributed via e-mail attachment
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