MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2252c8e8cbf72fb0185c8ea1dbde6551898307e8fbbefb031f26ceff869c60ef. 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: 14
| SHA256 hash: | 2252c8e8cbf72fb0185c8ea1dbde6551898307e8fbbefb031f26ceff869c60ef |
|---|---|
| SHA3-384 hash: | 80dd495a833de4b69d13891394f332b06571b761d06b7fb473bdc2c077cf39d66cffadb237b3bae26d4bd2594eddb949 |
| SHA1 hash: | fcdd4c75fd9fda49d7f4b341a9c2887856ed93ed |
| MD5 hash: | 458a218ed3ea4b86e96b6aff45067cc1 |
| humanhash: | whiskey-harry-hamper-nitrogen |
| File name: | 2252c8e8cbf72fb0185c8ea1dbde6551898307e8fbbefb031f26ceff869c60ef |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'173'224 bytes |
| First seen: | 2026-03-06 14:55:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 48 x GuLoader, 28 x RemcosRAT) |
| ssdeep | 24576:TPd0EGusLgaADxjugwJ0AohkQasxHLBhBaznGLN05TWa8Qtoqu8qp:phSAa0Y0HL0zGLNeVtFG |
| Threatray | 4'356 similar samples on MalwareBazaar |
| TLSH | T112452310B6E0CAF2F5EB0F304AF983E5CEA6ED81555452069F093E5BBC375F1640A647 |
| 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 | d022d8c8f28f80c0 (44 x GuLoader, 12 x VIPKeylogger, 7 x Formbook) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Gamekeeping |
|---|---|
| Issuer: | Gamekeeping |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-12-31T04:02:37Z |
| Valid to: | 2026-12-31T04:02:37Z |
| Serial number: | 6b0707e9259ba3f2bf372ba0ed2b3a9c33a10d12 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 5ce82749b56be0b7a250a6af90cd31c917707a40bdbd3d8b8a3ab4f819e45460 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
118
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
JUSTIFICANTE.PAGO.exe
Verdict:
Malicious activity
Analysis date:
2026-02-18 09:48:11 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc crypt
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
Verdict:
Suspicious
Score:
90%
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:
Family.FORMBOOK
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2026-02-17 10:05:39 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
21 of 36 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 4'346 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader discovery downloader 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
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
2252c8e8cbf72fb0185c8ea1dbde6551898307e8fbbefb031f26ceff869c60ef
MD5 hash:
458a218ed3ea4b86e96b6aff45067cc1
SHA1 hash:
fcdd4c75fd9fda49d7f4b341a9c2887856ed93ed
SH256 hash:
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
MD5 hash:
4add245d4ba34b04f213409bfe504c07
SHA1 hash:
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
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: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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