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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d501d6f1ec1002c25a5d7b946da2fabe2f4cfcde7e9c9a9a0678615e1684521. 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


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 3d501d6f1ec1002c25a5d7b946da2fabe2f4cfcde7e9c9a9a0678615e1684521
SHA3-384 hash: b8e123b1231465cc32d7d6303a26627aac5c34e8a441d5417a504a99a3dee012e0c96c7fd532ec7266cd0f76fcf89f1c
SHA1 hash: 09dcfa7f468279b0756a249bb89855203faa4c93
MD5 hash: df1258c55b3ff41da8d81872ba6ce258
humanhash: vermont-winner-lion-river
File name:3d501d6f1ec1002c25a5d7b946da2fabe2f4cfcde7e9c9a9a0678615e1684521
Download: download sample
Signature GuLoader
File size:864'936 bytes
First seen:2025-11-06 11:04:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (144 x GuLoader, 57 x Formbook, 46 x VIPKeylogger)
ssdeep 12288:mXSQXyeG4TMge/XngnefCz5R0NJcJpfjV3E3T9oizCa6AQKZIw3QnY:mXS+Gu/e/XgnrzUN6JpfjV0dx6FKfgY
TLSH T14B050297F3980A0FFE2316B848E29FB07577AE911723D32701D9F9249A33FA916465C1
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 adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Rebrutalize
Issuer:Rebrutalize
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-15T08:39:38Z
Valid to:2026-10-15T08:39:38Z
Serial number: 69601af22328263175dc9cd4a15707fa55d5bee6
Thumbprint Algorithm:SHA256
Thumbprint: 988754c5663d22b833a9b758dbde843efb6b3cfa6f5de9e4a1e33207b7c17857
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
111
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
swiftpayment20oct.exe
Verdict:
Malicious activity
Analysis date:
2025-10-22 11:38:19 UTC
Tags:
stealer evasion agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
shellcode virus nsis blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-21T05:33:00Z UTC
Last seen:
2025-11-07T19:09:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-10-21 08:36:22 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader adware discovery downloader execution persistence ransomware spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Badlisted process makes network request
Checks computer location settings
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
3d501d6f1ec1002c25a5d7b946da2fabe2f4cfcde7e9c9a9a0678615e1684521
MD5 hash:
df1258c55b3ff41da8d81872ba6ce258
SHA1 hash:
09dcfa7f468279b0756a249bb89855203faa4c93
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
SH256 hash:
89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
MD5 hash:
b7d61f3f56abf7b7ff0d4e7da3ad783d
SHA1 hash:
15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
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