MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0808f47a5a5ed79de508d331dd4e8b22704ef7c26baa2fa8df26bc49dc4be323. 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


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 0808f47a5a5ed79de508d331dd4e8b22704ef7c26baa2fa8df26bc49dc4be323
SHA3-384 hash: 5d52f22e78c3849522f655278a87ee622525c02ae708902ffcbccb499393ef35aa56afec8faf53cae15f5ccadd8ece3f
SHA1 hash: 0ff7bb20b657a5b49600d8b58515e7312d212321
MD5 hash: 7f1efb05f5c8025fb2f6913d356835d5
humanhash: saturn-double-fourteen-hawaii
File name:11042025.exe
Download: download sample
Signature GuLoader
File size:916'952 bytes
First seen:2025-11-05 08:26:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (306 x GuLoader, 58 x RemcosRAT, 55 x VIPKeylogger)
ssdeep 24576:QMwSt/77Hao68jGywD5BYM7Cc1fmP7khz1zuc7JY:QMwqj7GywD577CgOP2z1X7JY
Threatray 2'182 similar samples on MalwareBazaar
TLSH T173152239F0A9D407C6D19F359EDE948CD5F47E9119B98B2E4F107EAB6A30B61C80E306
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
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Renmontagen
Issuer:Renmontagen
Algorithm:sha256WithRSAEncryption
Valid from:2025-09-22T03:03:40Z
Valid to:2026-09-22T03:03:40Z
Serial number: 0d9e7b3cd459e3a53f7606e34a956aeafcb87801
Thumbprint Algorithm:SHA256
Thumbprint: a1dbcbceecb01be1a76d7b4119bc75303bb47253ab9d8af70aaf4b51a5609b94
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
93748c857b68a74abd16f74b5ef9200c0f4aa3783f276529c38b0ae026a1663e.zip
Verdict:
Malicious activity
Analysis date:
2025-11-05 03:19:38 UTC
Tags:
arch-exec rat remcos auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injection injector virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
DNS request
Connection attempt
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis overlay signed similar-threat smb
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-04T22:04:00Z UTC
Last seen:
2025-11-07T06:04:00Z UTC
Hits:
~10000
Detections:
HEUR:Trojan.Win32.GuLoader.gen Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
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:
2025-11-05 01:52:24 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.72.93:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0808f47a5a5ed79de508d331dd4e8b22704ef7c26baa2fa8df26bc49dc4be323
MD5 hash:
7f1efb05f5c8025fb2f6913d356835d5
SHA1 hash:
0ff7bb20b657a5b49600d8b58515e7312d212321
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
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:PE_Digital_Certificate
Author:albertzsigovits

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments