MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 347fc8e42f626099e60d82cae95a385abd8b68592d5244f2692ef641d53bf1eb. 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: | 347fc8e42f626099e60d82cae95a385abd8b68592d5244f2692ef641d53bf1eb |
|---|---|
| SHA3-384 hash: | e3b226dfb80d88ed744767cf59a327b86e388d740cfa56ba62af6251a68fb6aba5bfcec56e0a2e9ec00c61011911326b |
| SHA1 hash: | 926cf4d64a30e845de69894a552a3518bc5cf235 |
| MD5 hash: | 9caef9f6cf774a6695b360cc17994263 |
| humanhash: | stairway-king-solar-alpha |
| File name: | JUSTIFICANTE_DE_PAGO.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 400'280 bytes |
| First seen: | 2026-05-20 17:02:01 UTC |
| Last seen: | 2026-05-20 17:31:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4ea4df5d94204fc550be1874e1b77ea7 (254 x GuLoader, 32 x RemcosRAT, 26 x VIPKeylogger) |
| ssdeep | 6144:LB+pgUDTo+3SNM59oaGcXiVpVLo6PDkh9jwRY6cWV5osSeliFPgun9hbW:LgbtlHoYW19O9jwRkeCsyFnzW |
| TLSH | T12E84F12136B4DA53F93205F04853C53620F76E3879164D539ED43BAE9EB2793FA2CA12 |
| 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 | f2fef67e6e7e6e60 (2 x GuLoader) |
| Reporter |  TomU |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Lagerkapaciteten |
|---|---|
| Issuer: | Lagerkapaciteten |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-10-10T10:36:13Z |
| Valid to: | 2026-10-10T10:36:13Z |
| Serial number: | 1c96660e7bb3609ce45585b1b5cbff3c574462b9 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 38201833f1585118d809653d1c28ba666aeb9cebc7d6f1e80d27430c8c6e6fb8 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
70
Origin country :
CHVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-20 20:27:24 UTC
Tags:
guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
97.4%
Tags:
injection virus blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Searching for the window
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a file in the %AppData% subdirectories
Creating a window
Delayed reading of the file
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T05:24:00Z UTC
Last seen:
2026-05-12T22:09:00Z UTC
Hits:
~10000
Verdict:
Suspicious
Score:
95%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-12-01 08:38:07 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
21 of 38 (55.26%)
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 Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
347fc8e42f626099e60d82cae95a385abd8b68592d5244f2692ef641d53bf1eb
MD5 hash:
9caef9f6cf774a6695b360cc17994263
SHA1 hash:
926cf4d64a30e845de69894a552a3518bc5cf235
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
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 |
| 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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