MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
SHA3-384 hash: 9aa118909ae365ea7b54278d8884ba2fbfd5acc7ccae79717472ec71c87238750196c149891f41225c0981605d30de40
SHA1 hash: 051afdbbf4d1d6182a9e2628b91b1e6854ce2da2
MD5 hash: 77886ed0a1d651735e905d7ddf5e39b6
humanhash: winner-undress-jig-lima
File name:50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
Download: download sample
Signature MassLogger
Create hunting rule
File size:615'944 bytes
First seen:2025-06-10 09:41:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:6plA/8QGs+fLXtMnm+u5reIj+hiqtYdz9IOz/oOxkR:2qXWLXtBF+hHYdzPzns
Threatray 1 similar samples on MalwareBazaar
TLSH T13AD401982705EC0BCA1297B40AB1F1B863BC2EDAA410D653FFED6D9F78B5F615900187
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
dhash icon e89e8e7133b2b2f0 (13 x SnakeKeylogger, 9 x Formbook, 3 x AgentTesla)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
Verdict:
Malicious activity
Analysis date:
2025-06-10 14:43:39 UTC
Tags:
snake keylogger evasion stealer
Link:
https://app.any.run/tasks/690d4348-b190-422c-b15a-ee9bb6548a19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/8571/
Detection(s):
SecuriteInfo.com.Trojan.GenericS.4578.29954.6526.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6847fdd08bd5d68a12e763bf
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74af3a66-840f-45c4-a357-b462c2e2842f
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/1711400
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses threadpools to delay analysis
Writes to foreign memory regions
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: 1711400 Sample: GVBvbzkPqy.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 checkip.dyndns.org 2->48 50 checkip.dyndns.com 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 10 other signatures 2->64 8 GVBvbzkPqy.exe 7 2->8         started        12 rTPpKajNRED.exe 5 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 46->62 process4 file5 38 C:\Users\user\AppData\...\rTPpKajNRED.exe, PE32 8->38 dropped 40 C:\Users\...\rTPpKajNRED.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp77C2.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...behaviorgraphVBvbzkPqy.exe.log, ASCII 8->44 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Writes to foreign memory regions 8->68 70 Allocates memory in foreign processes 8->70 72 Adds a directory exclusion to Windows Defender 8->72 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 RegSvcs.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 76 Injects a PE file into a foreign processes 12->76 78 Uses threadpools to delay analysis 12->78 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 80 Loading BitLocker PowerShell Module 14->80 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 checkip.dyndns.com 193.122.130.0, 49694, 49698, 80 ORACLE-BMC-31898US United States 19->52 54 reallyfreegeoip.org 104.21.64.1, 443, 49695, 49699 CLOUDFLARENETUS United States 19->54 34 conhost.exe 22->34         started        82 Tries to steal Mail credentials (via file / registry access) 24->82 84 Tries to harvest and steal browser information (history, passwords, etc) 24->84 36 conhost.exe 26->36         started        signatures9 process10
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-05-27 03:11:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdxluxksnnm46ndcfabjw7awnnqrt5dtpepcpvo4u4k6mdmg32sa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250610-lnzb4sdn2y/
Behaviour
Scheduled Task/Job: Scheduled Task
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
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7a590249-5de2-40fb-96a0-eaa58f761a65
Unpacked files
SH256 hash:
50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
MD5 hash:
77886ed0a1d651735e905d7ddf5e39b6
SHA1 hash:
051afdbbf4d1d6182a9e2628b91b1e6854ce2da2
Link:
https://www.unpac.me/results/77be7a76-e571-454b-b44c-ac1507607408/
SH256 hash:
40821f2c5247a234030a44871d4d62035044e2d486432b81e06880213c6fa912
MD5 hash:
c98557f7f6d853d88f1704eeacf3f39d
SHA1 hash:
01fb8c8b57fe8e19022f3fe0ac882c4e9cd9c69c
Link:
https://www.unpac.me/results/77be7a76-e571-454b-b44c-ac1507607408/
SH256 hash:
0f602c7ee73a3cb66491dee3ebf53d57a522d6a1b187f99fd56190770ba301ed
MD5 hash:
2b87d85289783792828f0df0983db45a
SHA1 hash:
7ee57e18afde5eb78561c64f53b3b46b81fa7731
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/77be7a76-e571-454b-b44c-ac1507607408/
Parent samples :
6cbb096deab1c0c40f9f1fdbe309833b82a00da407bd2bd515194c68a8b82127
5e4d01e687125348499c3be8bc2fa665ab018c95747eeea2e29d9a70dbde6ae5
69c5a698e5440fda15f54b2737f3125a1f5d023ce120ce8e8af29b50fb17f51b
ed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f
5f0c1e6643531444cada92f54702c1f60894484cce980f70132f04f753a398f9
50eeba5d526b59cf346228029b7c166b6119f473791e27d5dca715e60d86dea4
SH256 hash:
773c463e5e303b2ebf6e51a4758f56d4296684823c45cf24d6212cbaa43e7361
MD5 hash:
2ba656b7d7b70a44296f9a42f00fb8df
SHA1 hash:
f794eda11aa1eb4f810a1636587d3798e34c8626
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/77be7a76-e571-454b-b44c-ac1507607408/
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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/8571/

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 (GUARD_CF)high

Comments