MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e7657ddee5e6e3ed9c1fc9e4ad949379e06117ec589d0c3234a4fb4e513f46dd. 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: 13
| SHA256 hash: | e7657ddee5e6e3ed9c1fc9e4ad949379e06117ec589d0c3234a4fb4e513f46dd |
|---|---|
| SHA3-384 hash: | fba15cef670bb00f8959a2aa9ac7b0be491df3debd086e97b6b0de5b86d2b2d02c47e4f6401f0d2c0c1a4527d5bd7080 |
| SHA1 hash: | 4fb9e9cbbb4e3b09092c7ed4d945733a05cfff52 |
| MD5 hash: | 37cbe7c76f5af0787ab711d05806d4d9 |
| humanhash: | connecticut-louisiana-maine-spaghetti |
| File name: | e7657ddee5e6e3ed9c1fc9e4ad949379e06117ec589d0c3234a4fb4e513f46dd |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 705'072 bytes |
| First seen: | 2026-02-05 15:46:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (739 x GuLoader, 453 x Formbook, 295 x Loki) |
| ssdeep | 12288:LNBRGXLhECpoCyBQP8iqW4N2vpbI9VLg7chG/PtBL+ftOcGDOdd:LNBRGX1tpoXBi48v5egNPPLEc4d |
| Threatray | 2'548 similar samples on MalwareBazaar |
| TLSH | T1C1E423C74BB0C4B9CCA417F02F660A764BB4AE3E52EC560B33727A85BD711D25718B62 |
| 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 | c88cae8eccc2c4f1 (2 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Foreread |
|---|---|
| Issuer: | Foreread |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-12-13T09:51:24Z |
| Valid to: | 2026-12-13T09:51:24Z |
| Serial number: | 3dd767ff05f93caf727cf6b96c705b604a42bc10 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 498628e2675eb96e6297a379070e5769068c9cb278d45fa5dc406049b0358605 |
| 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
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
e7657ddee5e6e3ed9c1fc9e4ad949379e06117ec589d0c3234a4fb4e513f46dd
Verdict:
Malicious activity
Analysis date:
2026-02-05 22:21:03 UTC
Tags:
evasion snake keylogger telegram stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
95.7%
Tags:
injection uloader virus nsis
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole guloader installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-26T22:38:00Z UTC
Last seen:
2026-02-06T10:43:00Z UTC
Hits:
~1000
Verdict:
Unknown
Score:
97%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2026-01-27 01:43:29 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
18 of 36 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'538 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
e7657ddee5e6e3ed9c1fc9e4ad949379e06117ec589d0c3234a4fb4e513f46dd
MD5 hash:
37cbe7c76f5af0787ab711d05806d4d9
SHA1 hash:
4fb9e9cbbb4e3b09092c7ed4d945733a05cfff52
Malware family:
GuLoader
Verdict:
Malicious
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: | 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: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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