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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8. 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 3 File information Comments

SHA256 hash: ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8
SHA3-384 hash: c544d3ae843dbdf563d5a0e79ec5b33b39e7686ce97249987f31081c2a1b9e6450486038e6651d5c40cb349ae4c36ec7
SHA1 hash: 1d20489cecae69d9610277939e2f7da0127a3839
MD5 hash: e8b2e93f0bdaa6e7a3f726555fd6d77d
humanhash: quiet-lima-white-mango
File name:ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8
Download: download sample
Signature MassLogger
File size:988'160 bytes
First seen:2026-09-10 11:04:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'272 x AgentTesla, 20'616 x Formbook, 12'394 x SnakeKeylogger)
ssdeep 24576:bSZjP/2oSdvAg6wY6C2d6UG7UiJ5+J7PeR6BgTFUxAU:4b/2oSf9dE7bJ5+JW02FUG
TLSH T13625DF542256DC02D1E25AB4C8E0E2FF02745E87D412F2079AEA7D9F797A785FB842C3
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
110
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-10 13:37:29 UTC
Tags:
netreactor auto-reg stealer ip-check evasion smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
infosteal spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-24T06:12:00Z UTC
Last seen:
2026-09-10T07:59:00Z UTC
Hits:
~1000
Malware family:
Snake Keylogger
Verdict:
Malicious
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.71 Win 32 Exe x86
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-08-24 10:00:46 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution persistence spyware stealer
Behaviour
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
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Unpacked files
SH256 hash:
ad83577e425dfb5496897d25e3e4e7de8d7e100f4b0eacf1266eb9f12898fac8
MD5 hash:
e8b2e93f0bdaa6e7a3f726555fd6d77d
SHA1 hash:
1d20489cecae69d9610277939e2f7da0127a3839
SH256 hash:
948de98294621b9281b77cd8eb54a677aa0df9f9e9bda77844ab92524b182a03
MD5 hash:
157cb32a500d23b3f1a7bb6977629ba5
SHA1 hash:
0ce931496b554a3d235b7d8eeac47f431547bfe6
SH256 hash:
0e7d082c6ea72108d1f8b1269325fb937d70552d9c82409ec33b8b585f689544
MD5 hash:
72d85c1ed624d60dfdc6e86dd40ff52c
SHA1 hash:
e96194762794f73db5d88f36b389cb73ce96c849
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Malware family:
MassLogger
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments