MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1f8097ccc932fecf1b0ba2997ac3ef35b5d99d2d58408a6a0b45131fcedfc599. 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: | 1f8097ccc932fecf1b0ba2997ac3ef35b5d99d2d58408a6a0b45131fcedfc599 |
|---|---|
| SHA3-384 hash: | 2496a65815dc6d9c7651d0d27b1fc6ed1b578266f295cad9a8f5f6a875833c55b31112a0e026ae6574a28aece5e63f43 |
| SHA1 hash: | 0ef9e9e113f8c9c18d956dd39a8d2d05194d8352 |
| MD5 hash: | aa35917f9e2986db1105ea270882d267 |
| humanhash: | autumn-fix-ceiling-avocado |
| File name: | 1f8097ccc932fecf1b0ba2997ac3ef35b5d99d2d58408a6a0b45131fcedfc599 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 634'248 bytes |
| First seen: | 2026-02-05 16:17:00 UTC |
| Last seen: | 2026-02-05 17:36:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 12288:04nN/oHxmO8EKQyJTvq7qrEA7VVf7G16EHrx4F:LNAHQOrKQ0vYmVfrW+ |
| Threatray | 2'568 similar samples on MalwareBazaar |
| TLSH | T1A4D4E11EB124448EF9114B3400F7A21FAD99EE94BE739A5F0337FC565B729112DC3AA8 |
| 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 |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Beslutningernes |
|---|---|
| Issuer: | Beslutningernes |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-12-08T09:09:24Z |
| Valid to: | 2026-12-08T09:09:24Z |
| Serial number: | 18ba46e19d9b874d7be3240fd3682bad505512c5 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 4913770fdfaa0a12fdb27e63e41e39bd24bf5bf28eed56ff72460ae4483e2d61 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
171
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MAERSK KLEVEN V.949E SHIPPING DOC_pdf.exe
Verdict:
Malicious activity
Analysis date:
2026-01-30 06:18:01 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:
95.7%
Tags:
injection obfusc virus
Verdict:
Malicious
Labled as:
Agent.KXP.gen
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-29T18:21:00Z UTC
Last seen:
2026-02-07T14:24:00Z UTC
Hits:
~1000
Verdict:
Unknown
Score:
97%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2026-01-30 01:15:58 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
15 of 23 (65.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'558 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
1f8097ccc932fecf1b0ba2997ac3ef35b5d99d2d58408a6a0b45131fcedfc599
MD5 hash:
aa35917f9e2986db1105ea270882d267
SHA1 hash:
0ef9e9e113f8c9c18d956dd39a8d2d05194d8352
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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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