MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52e21b7dff216804700a9aa925271a4149d379dd47e933524b7dd6f5eee9ec7c. 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: 16


Intelligence 16 IOCs YARA 21 File information Comments

SHA256 hash: 52e21b7dff216804700a9aa925271a4149d379dd47e933524b7dd6f5eee9ec7c
SHA3-384 hash: a9119e02bdb1bc485ceb292906d88e0886c4a208b28782b06af3b7419ec0ad3a3de4689edf755cbe45bf53579f529d21
SHA1 hash: b846579335e0bce5b9d35ee2868119bb718d1bf4
MD5 hash: 03445bf74d9ed6bb145462468a7d8a47
humanhash: indigo-bacon-washington-mango
File name:52e21b7dff216804700a9aa925271a4149d379dd47e933524b7dd6f5eee9ec7c
Download: download sample
Signature MassLogger
File size:796'672 bytes
First seen:2026-06-08 09:50:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'066 x AgentTesla, 20'011 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 24576:GAWfFsP0erqDqqTG1Q7LNnWyJ31XDR0ECXWQ:wberqDq11Q3AyJlzWW
Threatray 32 similar samples on MalwareBazaar
TLSH T1570512A432ADE766C9A24BB51C61D27147762EAAE431C359CFDCBCDF7C2A3505808393
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 :
45
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
infosteal micro shell virus
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
Creating a file in the %temp% directory
Launching a process
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook krypt packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-18T12:17:00Z UTC
Last seen:
2026-06-06T14:50:00Z UTC
Hits:
~1000
Malware family:
Snake Keylogger
Verdict:
Malicious
Gathering data
Threat name:
ByteCode-MSIL.Trojan.BPLogger
Status:
Malicious
First seen:
2026-05-18 16:09:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Unpacked files
SH256 hash:
52e21b7dff216804700a9aa925271a4149d379dd47e933524b7dd6f5eee9ec7c
MD5 hash:
03445bf74d9ed6bb145462468a7d8a47
SHA1 hash:
b846579335e0bce5b9d35ee2868119bb718d1bf4
SH256 hash:
a8e9af5d5db01b452944e83f445f25e3d3d04275127f12f8c368053b23c58694
MD5 hash:
a9e32f0739d267f3ba035595a0a1558c
SHA1 hash:
13db8d9b4a34689ef263de6734dc38bb58f7f795
SH256 hash:
aa36b1aa19bc987ec1672a4b6fa90f3a19bdbd121f95490fc37c56cd9f67cc8c
MD5 hash:
ca2c732a8390b2199fa403d5ca19b769
SHA1 hash:
54d11439d25c9049564f2f1cff7ea9da6f7cdd9b
Detections:
win_404keylogger_g1 win_masslogger_w0 triage_snakekeylogger_infostealer
SH256 hash:
38a2a61b81d9d4adb8eb2bcb10fa98eee0dcd1ecd1b6faa1c090591736e1d01c
MD5 hash:
4fc01a4a7f24b391c5e0614633164e97
SHA1 hash:
5fcfca563762318e5dc1dcd6b319eb91754c3026
Malware family:
MassLogger
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: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_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: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