MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088. 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 5 File information Comments

SHA256 hash: 6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088
SHA3-384 hash: 6da2e51e00422c337e2afacba7cadacbeda0f16b63e9fa7b1b0f2eb0bfbe894fe3c19641c1e962ab7e05c399880aad99
SHA1 hash: 8943bdda94027fde52ccdc8844af3eef05fdff73
MD5 hash: 546f8897b9f9e38249dd5908ed4e0ce8
humanhash: muppet-island-minnesota-robin
File name:6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088
Download: download sample
Signature MassLogger
File size:834'048 bytes
First seen:2025-06-10 11:25:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:qF9VojJblY0dZagCsFoY3+rcPSNCSPvtAE:qBoJl/Zq+ZSoSPv6
Threatray 11 similar samples on MalwareBazaar
TLSH T1B005C0162BE88616D9AEAAB5D171D535D3F4FC19B26BEB4E4EC068F73D833104A01363
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 d4e4f4d4d4d4d4d4 (4 x SnakeKeylogger, 3 x Formbook, 3 x MassLogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
403
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088
Verdict:
Malicious activity
Analysis date:
2025-06-10 18:46:54 UTC
Tags:
netreactor snake keylogger evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
micro spawn 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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1710798 Sample: 3wmql9hs2d.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 3wmql9hs2d.exe 7 2->8         started        12 WrIOtovRpd.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\...\WrIOtovRpd.exe, PE32 8->38 dropped 40 C:\Users\...\WrIOtovRpd.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpC643.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\3wmql9hs2d.exe.log, ASCII 8->44 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 70 Injects a PE file into a foreign processes 8->70 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 3wmql9hs2d.exe 15 2 8->19         started        26 2 other processes 8->26 72 Multi AV Scanner detection for dropped file 12->72 74 Uses threadpools to delay analysis 12->74 22 WrIOtovRpd.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 76 Loading BitLocker PowerShell Module 14->76 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 checkip.dyndns.com 158.101.44.242, 49718, 49722, 80 ORACLE-BMC-31898US United States 19->52 54 reallyfreegeoip.org 104.21.80.1, 443, 49719, 49723 CLOUDFLARENETUS United States 19->54 78 Tries to steal Mail credentials (via file / registry access) 22->78 80 Tries to harvest and steal browser information (history, passwords, etc) 22->80 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-05-30 08:36:13 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger 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
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088
MD5 hash:
546f8897b9f9e38249dd5908ed4e0ce8
SHA1 hash:
8943bdda94027fde52ccdc8844af3eef05fdff73
SH256 hash:
ff55838cf83322ceab30a512da916f2821181007e95c8fa68674825df8c819b4
MD5 hash:
c9d09ec2449e60042cfc5222e0905ac9
SHA1 hash:
00f21d00230d6595f91ea5c990910f86bbfa44b1
SH256 hash:
f5e4d6c5a7b58142343f988dda60bc63dea831a6163eb75227883823de2f0b05
MD5 hash:
f01200012700f8889a380160679736d8
SHA1 hash:
627669310bd56b85571c3afd5b2fecfd294e80ad
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
a123464d6a466ad6b000264a7a1570b48f30de935bfe563b01b815a6ca884e2f
MD5 hash:
c892859231c158f2326cc135bdfd1c0c
SHA1 hash:
6e6e94b511c2950de6ff6a4b74bb05fcf7f397da
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 (HIGH_ENTROPY_VA)high

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