MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4dd9b9e9da25d2f0e8800d434062bb4e3eb47c0055941c3bd0a1b5816b8fa2d1. 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: | 4dd9b9e9da25d2f0e8800d434062bb4e3eb47c0055941c3bd0a1b5816b8fa2d1 |
|---|---|
| SHA3-384 hash: | 690cea0dab441b0c694fcb3d534208f65cc5b3955edc65fd8c12641781e488f4fbd91d834070843ea1b65137acd8d3c3 |
| SHA1 hash: | 9c3160b328e9a1919d77c88b055154840d84814b |
| MD5 hash: | 73dfe1337b31aa412f4ce28c8a2246a8 |
| humanhash: | bluebird-washington-bacon-spring |
| File name: | 4dd9b9e9da25d2f0e8800d434062bb4e3eb47c0055941c3bd0a1b5816b8fa2d1 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 795'552 bytes |
| First seen: | 2025-12-08 15:28:18 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3abe302b6d9a1256e6a915429af4ffd2 (299 x GuLoader, 39 x Formbook, 25 x Loki) |
| ssdeep | 12288:lErJ3rgv0hHzuetUObUrU1ChowLEm6MZ5Cr1Szu1VuFSSJfSuQUXUaX9hGo:6rg85ttirViE5/CXSpJfSuQm77Go |
| TLSH | T13C05E09227959933D4633EB8C353DB75B6665F8C3A238D0626E2BDB3F7F45829C001A1 |
| 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 | 30e443c4fc3050d9 (5 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Kologerne |
|---|---|
| Issuer: | Kologerne |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-11-07T01:49:06Z |
| Valid to: | 2026-11-07T01:49:06Z |
| Serial number: | 0382092b1afa8b10df8cbc3b7a90b25cb2eae3 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 243f20225be58aacd149d10b2a7f10df7ff67ccc9c4bb64d13bea965aa585f85 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
108
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Malware family:
n/a
ID:
1
File name:
4dd9b9e9da25d2f0e8800d434062bb4e3eb47c0055941c3bd0a1b5816b8fa2d1
Verdict:
Malicious activity
Analysis date:
2025-12-08 23:45:51 UTC
Tags:
snake keylogger telegram evasion stealer ims-api generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
uloader virus nsis blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Sending a custom TCP request
Delayed reading of the file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-21T04:41:00Z UTC
Last seen:
2025-12-05T16:23:00Z UTC
Hits:
~100
Verdict:
Suspicious
Score:
98%
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
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-11-22 06:18:04 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:vipkeylogger collection discovery installer 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
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/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
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Unpacked files
SH256 hash:
4dd9b9e9da25d2f0e8800d434062bb4e3eb47c0055941c3bd0a1b5816b8fa2d1
MD5 hash:
73dfe1337b31aa412f4ce28c8a2246a8
SHA1 hash:
9c3160b328e9a1919d77c88b055154840d84814b
SH256 hash:
98160b4ebb4870f64b13a45f5384b693614ae5ca1b5243edf461ca0b5a6d479a
MD5 hash:
de3558ce305e32f742ff25b697407fec
SHA1 hash:
d55c50c546001421647f2e91780c324dbb8d6ebb
SH256 hash:
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
MD5 hash:
fbe295e5a1acfbd0a6271898f885fe6a
SHA1 hash:
d6d205922e61635472efb13c2bb92c9ac6cb96da
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| 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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