MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fd16e4c3b04c57d1d5f8dd4c5f7f1b6cda24fcaf36b6ad40064a2407a3f2f5d. 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 7 File information Comments

SHA256 hash: 9fd16e4c3b04c57d1d5f8dd4c5f7f1b6cda24fcaf36b6ad40064a2407a3f2f5d
SHA3-384 hash: eb432d27c7b1168dfed45105bc59320e64f3c2f0e017882c5a855b759cc2da5d9b7c980aad5f94652dc8853ed82c0259
SHA1 hash: b14522d23517ca9ea658a8643d43a3681bb0a8cf
MD5 hash: 440627aef994d6cf74c829714c31833f
humanhash: venus-jupiter-social-pluto
File name:9fd16e4c3b04c57d1d5f8dd4c5f7f1b6cda24fcaf36b6ad40064a2407a3f2f5d
Download: download sample
Signature MassLogger
File size:731'144 bytes
First seen:2025-03-10 11:56:49 UTC
Last seen:2025-03-10 13:10:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:YdOWFR/eSyT2+gGmuiLfytps1ndXnNxk9q/o7BUlQXsTqKUccRYcp0+4NKyT21kR:WR/eP/WRlNSGiulQ8mKUzLihp
Threatray 108 similar samples on MalwareBazaar
TLSH T1EAF4E1688B4CC813CD6EA3BD09A0E5B5233C5DE6D546DB0B6ACDACEF7D427515A0C283
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0068694969797400 (7 x MassLogger, 5 x VIPKeylogger, 4 x Formbook)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
351
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9fd16e4c3b04c57d1d5f8dd4c5f7f1b6cda24fcaf36b6ad40064a2407a3f2f5d
Verdict:
Malicious activity
Analysis date:
2025-03-10 16:07:21 UTC
Tags:
snake keylogger evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
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
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated packed packed packer_detected signed stealer vbnet
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
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Antivirus detection for dropped file
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
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634650 Sample: KZ8qkyy2AY.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 49 reallyfreegeoip.org 2->49 51 checkip.dyndns.org 2->51 53 checkip.dyndns.com 2->53 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 75 11 other signatures 2->75 8 KZ8qkyy2AY.exe 7 2->8         started        12 iumHECVGiFUzcp.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 73 Tries to detect the country of the analysis system (by using the IP) 49->73 process4 dnsIp5 41 C:\Users\user\AppData\...\iumHECVGiFUzcp.exe, PE32 8->41 dropped 43 C:\...\iumHECVGiFUzcp.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp97D4.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\KZ8qkyy2AY.exe.log, ASCII 8->47 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Adds a directory exclusion to Windows Defender 8->79 81 Injects a PE file into a foreign processes 8->81 17 powershell.exe 23 8->17         started        20 powershell.exe 23 8->20         started        22 KZ8qkyy2AY.exe 15 2 8->22         started        25 schtasks.exe 1 8->25         started        83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 27 iumHECVGiFUzcp.exe 12->27         started        29 schtasks.exe 12->29         started        59 127.0.0.1 unknown unknown 14->59 file6 signatures7 process8 dnsIp9 61 Loading BitLocker PowerShell Module 17->61 31 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        35 conhost.exe 20->35         started        55 checkip.dyndns.com 158.101.44.242, 49684, 49686, 80 ORACLE-BMC-31898US United States 22->55 57 reallyfreegeoip.org 104.21.32.1, 443, 49685, 49687 CLOUDFLARENETUS United States 22->57 37 conhost.exe 25->37         started        63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 39 conhost.exe 29->39         started        signatures10 process11
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-02-25 06:44:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
9fd16e4c3b04c57d1d5f8dd4c5f7f1b6cda24fcaf36b6ad40064a2407a3f2f5d
MD5 hash:
440627aef994d6cf74c829714c31833f
SHA1 hash:
b14522d23517ca9ea658a8643d43a3681bb0a8cf
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
SH256 hash:
af2262046e958eb6a9c14e0658480579488fe551e160deca5b65d0bebf8236c2
MD5 hash:
b61182086ab69a7c14db15513fbe883a
SHA1 hash:
47cde6e83805f4cefc6bc889ea5de4172ed43d9a
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
e7f51f9da7e27c67ecb8ecb20258c058fdd7935a7d16ad65998e1fb83aa394b9
MD5 hash:
9ae750cc4e8ae0e184a5e0e010963efe
SHA1 hash:
f9792f0f768b7809a66837e3d0688136656f34a4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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