MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a
SHA3-384 hash: f23435649010939d52e2dd9e45cbd78923af01d81f8bcd214b3b75b5c7e84f7553beebaf04136c08fa39e8cdb16e4c5b
SHA1 hash: 48aa7f22e482baccfdc6b6eb9f3163f5510352b8
MD5 hash: cee23114ee0a49913578af4341371328
humanhash: bravo-east-jig-kansas
File name:SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263
Download: download sample
Signature MassLogger
Create hunting rule
File size:801'792 bytes
First seen:2025-10-05 11:52:18 UTC
Last seen:2025-10-05 12:21:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:27ukcmLXFmZDxMuF9O+A8CxZ+d+FF4dsZo:27uk9VeilzH+d+FudsZ
Threatray 3'397 similar samples on MalwareBazaar
TLSH T104050100F259FC0FC15B87B498A0D1F10F78AEDAE502FA475EE07E8B7876B705626196
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263
Verdict:
Malicious activity
Analysis date:
2025-10-05 11:57:06 UTC
Tags:
evasion snake keylogger telegram stealer
Link:
https://app.any.run/tasks/f71afeee-84bc-412e-a48d-16c074e3a57e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
VIPKeyLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30588/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e25c4391bc581176cbfced
Tags:
spawn shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
negasteal obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68e25c455a3bccf09eb86784/reports/54f7ab4b-507e-4905-8685-e39b50f52652/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-01T19:22:00Z UTC
Last seen:
2025-10-06T05:33:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/db58b667-8344-4499-b18a-182b2dc6207e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.30 Win 32 Exe x86
Link:
https://app.malva.re/file/cee23114ee0a49913578af4341371328
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-10-01 22:32:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
26 of 36 (72.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgofdvxnel5qyze5likivlxvl3xaobqckho6n3ielqmi2l2mrnfa._file
Verdict:
malicious
Label(s):
vipkeylogger
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
09b8a80183a41a92c60fbacf9ee319291e37ae6d4ce0521b23b236b46e095956
MassLogger
4691af5573a42882f8a2814929d7da66de7fb1ed87970957a4fbfb9b40da2c89
MassLogger
4c463b6b2c03f037fdb1f011a547b1c794fd13d9e1174285991adcdef1f59a46
MassLogger
8ece82ad36ddad1e13a955098ea9629364950ed21a1155d7be4921208e62eb0c
MassLogger
error
MassLogger
faa236eaf11ddab3abe7dcc8c69613d89edf60da47060bf6dc881fa9e118cd9e
MassLogger
+ 3'387 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger spyware stealer
Link:
https://tria.ge/reports/251005-n2s4cseq41/
Behaviour
Suspicious behavior: EnumeratesProcesses
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 SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8071660627:AAFb60NRq4wg_o7DhXUr5cIhpwAsiUS1IlI/sendMessage?chat_id=5630866666
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b400afce-e203-4509-921a-ab2ac771bcfe
Unpacked files
SH256 hash:
399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a
MD5 hash:
cee23114ee0a49913578af4341371328
SHA1 hash:
48aa7f22e482baccfdc6b6eb9f3163f5510352b8
Link:
https://www.unpac.me/results/f10c6767-0852-48ff-b06e-2912805d98cc/
SH256 hash:
868f9844cd6f0ea25b1115f509044f21f71a787afe9b706eb44c11f4942cb563
MD5 hash:
55786c675054c44592975b5fa7f643fb
SHA1 hash:
851f36ec99a212528ee1d5070af0907aaa05c483
Link:
https://www.unpac.me/results/f10c6767-0852-48ff-b06e-2912805d98cc/
SH256 hash:
c42c803e0bd694631e2015c6538f8f3cbdc2c745f5ac5348cbf67d6a24820aba
MD5 hash:
06fb5df61a05bc35c240300773336dee
SHA1 hash:
a85f66c44efc17742505c4959cb632643deee83f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f10c6767-0852-48ff-b06e-2912805d98cc/
SH256 hash:
7c613c9d51de76787322ce46c04db772abb37104b86e2e80779ed0f1bf307c23
MD5 hash:
2e5d6596667740f970291c2804d7d09e
SHA1 hash:
cdb782837910000b22db89564c5961ba5c027b6b
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/f10c6767-0852-48ff-b06e-2912805d98cc/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/399c51d6ed22/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

MassLogger

Executable exe 399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3657567/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/30588/

Comments