MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
SHA3-384 hash: 345f1a0e5ef8502136ef83f4ca9d91d40909769abf34461ff3dc18ac7bf7d7bf4a477c801e48521689735be59958d557
SHA1 hash: 17b5fe76b240bff1bd07ba0b19037c7e4c79be3a
MD5 hash: fcbe6f2cbc6f13cb0a43235b6ea74d5a
humanhash: washington-nine-red-jig
File name:733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
Download: download sample
Signature MassLogger
Create hunting rule
File size:950'272 bytes
First seen:2025-06-10 09:51:55 UTC
Last seen:2025-06-10 10:20:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:dWbplyzBNu6QQbzI9MZUhg65KoFTFOLXo4H444l:UWBdeMZUhgmK234H444l
Threatray 1'439 similar samples on MalwareBazaar
TLSH T18115AE442F559436E611FE701BA4E374D26B6C967510AF42AED83E9B74F3AC07F03262
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 36c29292b2e88c82 (54 x AgentTesla, 33 x RedLineStealer, 11 x Formbook)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
440
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
Verdict:
Malicious activity
Analysis date:
2025-06-10 15:21:13 UTC
Tags:
evasion snake keylogger stealer
Link:
https://app.any.run/tasks/3906ba02-27a6-4c0f-9610-1dddce6dba74

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/8613/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3342.3052.30494.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6848005b8bd5d68a12e765c6
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9aea1f05-0d5e-4082-a54c-609e0108588c
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/1710731
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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
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: 1710731 Sample: js6yEwink8.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 pki-goog.l.google.com 2->48 50 3 other IPs or domains 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 9 js6yEwink8.exe 7 2->9         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\...\TNngiQWQcFz.exe, PE32 9->38 dropped 40 C:\Users\...\TNngiQWQcFz.exe:Zone.Identifier, ASCII 9->40 dropped 42 C:\Users\user\AppData\Local\...\tmp8AAC.tmp, XML 9->42 dropped 44 C:\Users\user\AppData\...\js6yEwink8.exe.log, ASCII 9->44 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 9->70 72 Adds a directory exclusion to Windows Defender 9->72 74 Injects a PE file into a foreign processes 9->74 76 Uses threadpools to delay analysis 9->76 13 TNngiQWQcFz.exe 5 9->13         started        16 powershell.exe 22 9->16         started        18 powershell.exe 23 9->18         started        20 3 other processes 9->20 signatures6 process7 dnsIp8 78 Multi AV Scanner detection for dropped file 13->78 80 Injects a PE file into a foreign processes 13->80 82 Uses threadpools to delay analysis 13->82 23 TNngiQWQcFz.exe 13->23         started        26 schtasks.exe 13->26         started        84 Loading BitLocker PowerShell Module 16->84 28 conhost.exe 16->28         started        30 WmiPrvSE.exe 16->30         started        32 conhost.exe 18->32         started        52 checkip.dyndns.com 132.226.247.73, 49691, 49693, 80 UTMEMUS United States 20->52 54 reallyfreegeoip.org 104.21.48.1, 443, 49692, 49694 CLOUDFLARENETUS United States 20->54 86 Tries to steal Mail credentials (via file / registry access) 20->86 34 conhost.exe 20->34         started        signatures9 process10 signatures11 66 Tries to steal Mail credentials (via file / registry access) 23->66 68 Tries to harvest and steal browser information (history, passwords, etc) 23->68 36 conhost.exe 26->36         started        process12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-05-27 13:10:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=om5pxafombofczcodsyolkxpxxbvl3f2eujuadxjma66cfninpuq._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
038849db19818c7136fe0a551b3f1b9ab11d51390ab2f4197f9f7c5ff16f6a8f
MassLogger
046614b2c078bf900f0cdfbbedc7d13ac4ec5e4510a64dfba1ad4c571a645533
MassLogger
5e4d01e687125348499c3be8bc2fa665ab018c95747eeea2e29d9a70dbde6ae5
MassLogger
998197ce8013806ab8d6442aca63b44c1e9c85af665f73de0dc550a0352696d0
MassLogger
fd1d2e98f9330621a9ab68c9e949b0a8d400ab7c582e003194f0b01d936b1943
MassLogger
+ 1'429 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250610-lv6prssze1/
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5bc9838d-f1fd-415b-9948-ade55800418c
Unpacked files
SH256 hash:
733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
MD5 hash:
fcbe6f2cbc6f13cb0a43235b6ea74d5a
SHA1 hash:
17b5fe76b240bff1bd07ba0b19037c7e4c79be3a
Link:
https://www.unpac.me/results/9888cac1-bf11-43dd-8863-d1602e2417cf/
SH256 hash:
40821f2c5247a234030a44871d4d62035044e2d486432b81e06880213c6fa912
MD5 hash:
c98557f7f6d853d88f1704eeacf3f39d
SHA1 hash:
01fb8c8b57fe8e19022f3fe0ac882c4e9cd9c69c
Link:
https://www.unpac.me/results/9888cac1-bf11-43dd-8863-d1602e2417cf/
SH256 hash:
f5e4d6c5a7b58142343f988dda60bc63dea831a6163eb75227883823de2f0b05
MD5 hash:
f01200012700f8889a380160679736d8
SHA1 hash:
627669310bd56b85571c3afd5b2fecfd294e80ad
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/9888cac1-bf11-43dd-8863-d1602e2417cf/
Parent samples :
437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c
47a27187c6e5493385de929ef9a55f0be39375e1854cd846ec04f440bcc5ce19
733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088
904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156
SH256 hash:
d8def6c53287ec2c384a309f6eed15b136772bb557c3b3dcbd09cbf56088d2eb
MD5 hash:
e5d63d388db59de3c576c64a9f394238
SHA1 hash:
d43ef72492e0039cd0fea1e180825447efa914a9
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/9888cac1-bf11-43dd-8863-d1602e2417cf/
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/733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9

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: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: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/8613/

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