MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
SHA3-384 hash: 592e3b6c81a28f552d54f2ca15b6f7cc5ca2793e5ce210e4f913c76a1cf24f82772e4546942adf0499626943d5f048c2
SHA1 hash: 188d991d88a090102c92684fa21c356cdd6c6ef4
MD5 hash: 16e90e2bd470f9d79200b343b3dd33da
humanhash: fish-minnesota-winner-pennsylvania
File name:52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'095'168 bytes
First seen:2025-03-10 11:45:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6fDah6YeXY/e18bhvz+iH+qoLXseiqCdqxjFLEfKspecKvRFNILBNIEVY6+68U1e:6fDpcvzZH+qoIewdqxVEfKspefz
Threatray 3'964 similar samples on MalwareBazaar
TLSH T17735099C3250B1DFC857C932CAA49C74FA60787B930B9203A4971AEEB95DA57CF141F2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
Verdict:
Malicious activity
Analysis date:
2025-03-10 15:13:45 UTC
Tags:
snake keylogger evasion ims-api generic stealer
Link:
https://app.any.run/tasks/8c089b83-88ed-4738-9aa4-45b79bbc6fef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ceddaf0d1b39e3a208b6b8
Tags:
virus shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a9edc14-426e-4a94-b71b-81f6ec43e714
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1634740
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634740 Sample: BAfylRWhLD.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 24 reallyfreegeoip.org 2->24 26 checkip.dyndns.org 2->26 28 checkip.dyndns.com 2->28 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 42 10 other signatures 2->42 8 BAfylRWhLD.exe 4 2->8         started        signatures3 40 Tries to detect the country of the analysis system (by using the IP) 24->40 process4 file5 22 C:\Users\user\AppData\...\BAfylRWhLD.exe.log, ASCII 8->22 dropped 44 Detected unpacking (changes PE section rights) 8->44 46 Detected unpacking (overwrites its own PE header) 8->46 48 Adds a directory exclusion to Windows Defender 8->48 50 Injects a PE file into a foreign processes 8->50 12 BAfylRWhLD.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 30 checkip.dyndns.com 132.226.8.169, 49713, 80 UTMEMUS United States 12->30 32 reallyfreegeoip.org 104.21.80.1, 443, 49716 CLOUDFLARENETUS United States 12->32 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 Loading BitLocker PowerShell Module 16->56 18 WmiPrvSE.exe 16->18         started        20 conhost.exe 16->20         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-02-24 15:50:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kltqsurkwvzel3qwwhcq3owipcqsi2kiziyisikla4x2qh7sxy3a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
078263b898d23617f9d122ed659a6262ec0e90f284e429af3d08ef6da5d31b47
MassLogger
1336ab650908b4c79136b1cb0c2acdb5f84693c74f6a9767019a5d588bf04378
MassLogger
5524172a140702bfb03975d9a0d83b95e314fc48a9912292831d6c8af1fc3277
MassLogger
6b91a4147f2fa3c5de006be8fa069dc1ad9d99e496c588487c217baea3c9fe0a
MassLogger
73a1e1c3b56b3a2993e6274960605e0221cb289a45db122861b1f2187d92ae1d
MassLogger
8ea6427ed08636f4220611662424cdf09103fecdb4ef6a0c15103c715364fbf3
MassLogger
ce274c08c15204a7168689d039f94e7c96a7e4a079b48cb2cbb10ec5bbf25ead
MassLogger
+ 3'954 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250310-nwwmastkv6/
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
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/43fa617b-f318-46a9-a1b9-908f20bda178
Unpacked files
SH256 hash:
52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
MD5 hash:
16e90e2bd470f9d79200b343b3dd33da
SHA1 hash:
188d991d88a090102c92684fa21c356cdd6c6ef4
Link:
https://www.unpac.me/results/22591ebf-c464-4402-a382-ea878ec1b464/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/22591ebf-c464-4402-a382-ea878ec1b464/
SH256 hash:
94d4e514bae648b3748e08ef2724e7769f75b418279009a45dd97268c557d65f
MD5 hash:
469ad9022757d28f5ac6697e70ff5d7d
SHA1 hash:
a08b9511ec29c485d55218182cb29e826a737cb0
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_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/22591ebf-c464-4402-a382-ea878ec1b464/
Parent samples :
8ea6427ed08636f4220611662424cdf09103fecdb4ef6a0c15103c715364fbf3
fb2ab01f0bad4d234b41b5d4a0ade4362b8342b4513a07e453b9c911b7a42f0c
52e709522ab57245ee16b1c50dbac878a1246948ca3089214b072fa81ff2be36
SH256 hash:
d58685e5f784ba170532fa05996da5477ba6880a618afd8c7c64b0723d3f0c42
MD5 hash:
a76d381af42d0cc583ede61bf06a9cc7
SHA1 hash:
c547a4c9a6935af4b9b26a917f2c87ca85fff60c
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/22591ebf-c464-4402-a382-ea878ec1b464/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52e709522ab5/report/overview.html
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
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

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