MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 47901dc2a6de89ccba059744ac5c0b4d44f65682c3a16f480b287de0ef02b8d6. 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: 12
| SHA256 hash: | 47901dc2a6de89ccba059744ac5c0b4d44f65682c3a16f480b287de0ef02b8d6 |
|---|---|
| SHA3-384 hash: | 076630b233a2e72275f22123d27bf80d86b9828cb1a4a423fea73f8ea786c0d826cb29dd322167ba1a9f35892bfbaa08 |
| SHA1 hash: | 775ea5d0f8b404d09fc2e55a474d029e4803df17 |
| MD5 hash: | e65861cfdb9a390d3687a95a1803a5d0 |
| humanhash: | double-ten-cat-eleven |
| File name: | 47901dc2a6de89ccba059744ac5c0b4d44f65682c3a16f480b287de0ef02b8d6 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'333'939 bytes |
| First seen: | 2025-10-09 14:12:35 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2a592076b17ef8bfb48b7e03965a3fc (419 x GuLoader, 63 x RemcosRAT, 52 x AgentTesla) |
| ssdeep | 24576:UsZSaLYhyiKLCU83mUlpWxlQL4w49iPTYEt7Pf7tJXeEoTlabDLGBCb2qmkME:VZqKeUgPWxAACY6hgFhsAa |
| TLSH | T1F95533A9B330C023D2D142751CD736B6D7F630F01697CB4B2B646C9EBE267998C2E499 |
| 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 | 70dcb0a4b8cc64b0 (3 x GuLoader, 2 x RemcosRAT) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
77
Origin country :
HUVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
19092025_0114_Payment_Receipt_Ref-548921_pdf.bat.zip
Verdict:
Malicious activity
Analysis date:
2025-10-09 14:21:50 UTC
Tags:
arch-exec guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
96.5%
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer microsoft_visual_cc nsis overlay
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T04:08:00Z UTC
Last seen:
2025-10-09T14:27:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbc Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba HEUR:Trojan.Win32.GuLoader.gen
Verdict:
Suspicious
Score:
95%
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
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-09-18 09:23:09 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
23 of 36 (63.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
47901dc2a6de89ccba059744ac5c0b4d44f65682c3a16f480b287de0ef02b8d6
MD5 hash:
e65861cfdb9a390d3687a95a1803a5d0
SHA1 hash:
775ea5d0f8b404d09fc2e55a474d029e4803df17
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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