MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d92357ca2e0ca95db655aa795ee333753b424603b7159744caa08adc3a6d9feb. 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: 9
| SHA256 hash: | d92357ca2e0ca95db655aa795ee333753b424603b7159744caa08adc3a6d9feb |
|---|---|
| SHA3-384 hash: | 1a6cb01842ddd3fd29b032101945259045d7796aa7a232a6a24da1f4ca3387ed8b2e321079030874761bb0debf6043d2 |
| SHA1 hash: | 3115f36e557dfb7dbe9aa7e0331f266310c22f27 |
| MD5 hash: | 6ae0f756b2c7dadec7365338034b6653 |
| humanhash: | pluto-snake-fourteen-carbon |
| File name: | d92357ca2e0ca95db655aa795ee333753b424603b7159744caa08adc3a6d9feb |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 580'424 bytes |
| First seen: | 2026-08-10 14:59:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f4639a0b3116c2cfc71144b88a929cfd (142 x GuLoader, 55 x Formbook, 43 x VIPKeylogger) |
| ssdeep | 12288:4fYPo/gfgMUCezQz1bJPqItJSfgpf6DtdzfW9u:4fYPo/cgIezQxTpat9r |
| TLSH | T100C42361EBE0D8AAD4990873CD3266F3CAADAD71D75856C70B403D4DBE72342892F351 |
| 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 |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Guruship |
|---|---|
| Issuer: | Guruship |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-06-23T10:48:11Z |
| Valid to: | 2027-06-23T10:48:11Z |
| Serial number: | 55ef1b3023169903ea585a6313b57c865158142a |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 9ace2669e4b5d711d22e86da7b8166224816d776a5fbb8446c1fb731a4376605 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
136
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
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 packed reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-28T23:25:00Z UTC
Last seen:
2026-08-10T06:33:00Z UTC
Hits:
~1000
Gathering data
Score:
93%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Makoob
Status:
Suspicious
First seen:
2026-07-31 12:55:39 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 36 (63.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
CloudEyE
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion discovery
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Unpacked files
SH256 hash:
d92357ca2e0ca95db655aa795ee333753b424603b7159744caa08adc3a6d9feb
MD5 hash:
6ae0f756b2c7dadec7365338034b6653
SHA1 hash:
3115f36e557dfb7dbe9aa7e0331f266310c22f27
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | NSIS |
|---|---|
| Author: | kevoreilly |
| Description: | NSIS Integrity Check function |
| 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.
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