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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f861e0a3713c68251d0a7bbed32dd0a28244f2fbf261986df942cddbbea4c90e. 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 26 File information Comments

SHA256 hash: f861e0a3713c68251d0a7bbed32dd0a28244f2fbf261986df942cddbbea4c90e
SHA3-384 hash: 9a41610532b06c341ce4e0ae211926b282f0e3c901433f5fe720dbdb9cae9bcb44fa3c011981e691a034c0b343d6eaab
SHA1 hash: 7a2d5cbcf1096ebb350f6e033b9a6ef29a228228
MD5 hash: 240efedcf437f6d0079292191cbeb574
humanhash: ten-hot-oven-kentucky
File name:f861e0a3713c68251d0a7bbed32dd0a28244f2fbf261986df942cddbbea4c90e
Download: download sample
Signature MassLogger
File size:1'071'104 bytes
First seen:2026-06-08 08:36:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'291 x AgentTesla, 20'702 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 24576:YF34TS1rZm59TjaA9ToZJe6SHSFyvwQ5+JiDn8+EQ08gJ:m44rI9twdSHSIvwdJMEQ8
Threatray 2'909 similar samples on MalwareBazaar
TLSH T138350221331EDE16C4D28BF91560D3F457B88D98A921D3538FEABCEBF87D7022954292
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
shell virus micro
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
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-25T03:45:00Z UTC
Last seen:
2026-06-10T00:51:00Z UTC
Hits:
~1000
Malware family:
Snake Keylogger
Verdict:
Malicious
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-05-25 06:52:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger spyware stealer
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
Program crash
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
Family: VIPKeylogger
Malware Config
C2 Extraction:
https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137
Unpacked files
SH256 hash:
f861e0a3713c68251d0a7bbed32dd0a28244f2fbf261986df942cddbbea4c90e
MD5 hash:
240efedcf437f6d0079292191cbeb574
SHA1 hash:
7a2d5cbcf1096ebb350f6e033b9a6ef29a228228
SH256 hash:
26b07dc4b61afc05fdff67d84d50ba01d570958e9bbc9eb771320642962fa045
MD5 hash:
69a911906bc64c1359e2d4e304363f50
SHA1 hash:
0f7dfea9c2ec02858e4357deeaff1e9ca44698ac
SH256 hash:
e90a23279edc1d7a69c1b6d466dcd4086bbff49890eb38d1fafe1844391f20aa
MD5 hash:
6724ade332d17947666e9f5fc67fc8aa
SHA1 hash:
1a837b6fe053245e7a4332fb8a2099c8434f77bf
Malware family:
VIPKeylogger
Verdict:
Malicious
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:VIPKeyLogger
Author:kevoreilly
Description:Detects VIPKeyLogger Keylogger
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_dotnet_vb_stealer_rat
Author:Arrbat
Description:Detects .NET/VB executables with stealer/RAT capabilities (sockets, HTTP, processes, registry, etc).
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Comments