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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f. 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


MassLogger


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f
SHA3-384 hash: c12e2eb904ae5044f00c83c15e85e1ed579b4a90dd6a5f86a3c41f58012a010898712787534a17eac284091db34b7d68
SHA1 hash: 3c9828ab7e7a8050dab5e76a5578cffe5caa2cc4
MD5 hash: 8af53c73b486d2017e50379c952d2a88
humanhash: fifteen-nevada-california-beryllium
File name:fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f
Download: download sample
Signature MassLogger
Create hunting rule
File size:3'245'568 bytes
First seen:2026-09-10 10:38:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:v115IJ4M5AcHG9dJRYkZrT2tbifmc0YWmwKC09BWSeOGrIC+gmZdCGQ1zXa8g20:biJECkJT2tbPc0VKC09BWZFrCgmO1zJ
TLSH T1B8E533944106C610FAFB5BB34A57F332B374FE6AA140E2129FF96CEF32256184906F56
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
guloader
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-10 12:03:27 UTC
Tags:
auto-reg guloader loader ip-check evasion smtp stealer m0yv phantom chromelevator
Link:
https://app.any.run/tasks/a1e18af4-6887-4183-9765-5b93d75e6699

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
PhantomStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/84780/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-17T08:28:00Z UTC
Last seen:
2026-09-01T17:16:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f/results?tab=lookup
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/61f9ac2f-9fd0-4f90-97b6-85d6ded34e69
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.38 Win 64 Exe x64
Link:
https://app.malva.re/file/8af53c73b486d2017e50379c952d2a88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-09-06 06:43:00 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7isvxohnlslvs65b5pvmmftz5a33zkb5rtwuqkj6vhbpjf5k4zxq._file
Verdict:
malicious
Label(s):
ChromElevator
Create hunting rule
Link:
https://reports.threatray.com/c502c77d-2792-465c-bce9-d3e67da79b85
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/260910-mp45esvwg1/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f
MD5 hash:
8af53c73b486d2017e50379c952d2a88
SHA1 hash:
3c9828ab7e7a8050dab5e76a5578cffe5caa2cc4
Link:
https://www.unpac.me/results/6a085694-52f1-4f2b-b9b4-305c5b415898/
Malware family:
PhantomStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fa255bb8ed5c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/fa255bb8ed5c97597ba1ebeac61679e837bca83d8ced48293ea9c2f497aae66f

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/84780/

Comments