MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b4d0d76bf34a4612d8d9b4b7a127c76528022517b6b39b3a78bc7631bc4cbaa. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 5b4d0d76bf34a4612d8d9b4b7a127c76528022517b6b39b3a78bc7631bc4cbaa
SHA3-384 hash: 775ba13a3f3fe19a4103e33bdb28a90d83674568a0b0b14595e69c8b060ce946f64d3302188c38750842d951ac9e022c
SHA1 hash: b959e881835209b58e5edbbe3b2d7e919dad751d
MD5 hash: c98ef053cc49cae662fa77ad83dc41d4
humanhash: cat-batman-eight-early
File name:5b4d0d76bf34a4612d8d9b4b7a127c76528022517b6b39b3a78bc7631bc4cbaa
Download: download sample
Signature MassLogger
File size:716'288 bytes
First seen:2025-05-09 12:36:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:dsf2Thr4/zKF+HITGfzG8WI73XGPVSZ2IbZL3EY95KaGbyv:6fKhr6HITgvbGPMZFZL193G6
Threatray 920 similar samples on MalwareBazaar
TLSH T162E4AD452D758409FCEE0EB0042892F75AE2ED876A21952BC7957F57B23630CBCCA6F1
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 e194aab2b2aad421 (10 x AgentTesla, 4 x AveMariaRAT, 3 x Formbook)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5b4d0d76bf34a4612d8d9b4b7a127c76528022517b6b39b3a78bc7631bc4cbaa
Verdict:
Malicious activity
Analysis date:
2025-05-09 14:44:54 UTC
Tags:
netreactor snake keylogger evasion stealer ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus 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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt obfuscated packed packed packer_detected 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
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: 1685372 Sample: O6dbRJi9Yq.exe Startdate: 09/05/2025 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 O6dbRJi9Yq.exe 7 2->8         started        12 PNKivbq.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\Roaming\PNKivbq.exe, PE32 8->38 dropped 40 C:\Users\user\...\PNKivbq.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp55B1.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\O6dbRJi9Yq.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 O6dbRJi9Yq.exe 15 2 8->19         started        26 3 other processes 8->26 72 Multi AV Scanner detection for dropped file 12->72 22 PNKivbq.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 74 Loading BitLocker PowerShell Module 14->74 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 checkip.dyndns.com 132.226.8.169, 49692, 49694, 80 UTMEMUS United States 19->52 54 reallyfreegeoip.org 104.21.112.1, 443, 49693, 49695 CLOUDFLARENETUS United States 19->54 76 Tries to steal Mail credentials (via file / registry access) 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
Win32.Trojan.MassLogger
Status:
Malicious
First seen:
2025-04-16 12:42:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
29 of 35 (82.86%)
Threat level:
  5/5
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot7924086586:AAHk0WMui1_sXZg6ChLoISZLMgByDL-pk5Q/sendMessage?chat_id=5557063310
Verdict:
Malicious
Tags:
Win.Malware.Autoit-10021097-0 404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
5b4d0d76bf34a4612d8d9b4b7a127c76528022517b6b39b3a78bc7631bc4cbaa
MD5 hash:
c98ef053cc49cae662fa77ad83dc41d4
SHA1 hash:
b959e881835209b58e5edbbe3b2d7e919dad751d
SH256 hash:
a76d61dbc4e0ec08d34e742bc78c8ffade05faa1305ea16c03b85edeb0bad68e
MD5 hash:
5cac8502abdb7934026bf1661e9b6fb3
SHA1 hash:
09eba4c51a410c931c8a8feb5a1e5a6dae111f62
SH256 hash:
9d275f173377f608e41092386fa5231a0d2d86da6ea476e4da26d2a48d042e70
MD5 hash:
522ad48e97457a6dd93ef0367567542d
SHA1 hash:
2007967d8711fd09013e087d5050978211db3b43
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
PrivateLogger
Verdict:
Malicious
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: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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