MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a384e1b12a840bfd8018705862884c133ae09fc8d0cbbbe66de1649a58355c7a. 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 20 File information Comments

SHA256 hash: a384e1b12a840bfd8018705862884c133ae09fc8d0cbbbe66de1649a58355c7a
SHA3-384 hash: 364e4e7f06683e45a76faec50cf48af59d04100bf861cf6c19982b488edc91e3dd7f2888ffa14f064d757ef6008e599f
SHA1 hash: f57cfe2ddec692b0a0a1e18dd37d58d676105e22
MD5 hash: 6e3d80ddd22333f81ee5eb851e9e6075
humanhash: dakota-angel-snake-echo
File name:a384e1b12a840bfd8018705862884c133ae09fc8d0cbbbe66de1649a58355c7a
Download: download sample
Signature MassLogger
File size:746'496 bytes
First seen:2025-06-10 09:25:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:/7Q1imX0hBhTQ/q9RRODndS9CSs3dbKM1CS7cVUYmq3lYz4jU1DU8ayt09KucbGz:/E1dEhcWbiAs3dPCSEkbp
Threatray 3'701 similar samples on MalwareBazaar
TLSH T152F4CFAD365076DFC867C972DAA82C64EB61747B430BD203A41316EDAA0D99BCF105F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 70f8d4d6cc683058 (25 x SnakeKeylogger, 8 x Formbook, 6 x AgentTesla)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a384e1b12a840bfd8018705862884c133ae09fc8d0cbbbe66de1649a58355c7a.exe
Verdict:
Malicious activity
Analysis date:
2025-06-10 09:28:48 UTC
Tags:
evasion snake keylogger stealer

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

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
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
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 contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 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: 1711470 Sample: XBrsTkD3YE.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 27 reallyfreegeoip.org 2->27 29 checkip.dyndns.org 2->29 31 checkip.dyndns.com 2->31 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 53 10 other signatures 2->53 8 XBrsTkD3YE.exe 4 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 51 Tries to detect the country of the analysis system (by using the IP) 27->51 process4 dnsIp5 25 C:\Users\user\AppData\...\XBrsTkD3YE.exe.log, ASCII 8->25 dropped 55 Detected unpacking (changes PE section rights) 8->55 57 Detected unpacking (overwrites its own PE header) 8->57 59 Adds a directory exclusion to Windows Defender 8->59 61 2 other signatures 8->61 15 XBrsTkD3YE.exe 15 2 8->15         started        19 powershell.exe 23 8->19         started        33 127.0.0.1 unknown unknown 12->33 file6 signatures7 process8 dnsIp9 35 checkip.dyndns.com 158.101.44.242, 49681, 80 ORACLE-BMC-31898US United States 15->35 37 reallyfreegeoip.org 104.21.96.1, 443, 49692 CLOUDFLARENETUS United States 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 43 Loading BitLocker PowerShell Module 19->43 21 WmiPrvSE.exe 19->21         started        23 conhost.exe 19->23         started        signatures10 process11
Threat name:
Win32.Trojan.Sonbokli
Status:
Malicious
First seen:
2025-05-26 18:44:01 UTC
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution 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
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
Unpacked files
SH256 hash:
a384e1b12a840bfd8018705862884c133ae09fc8d0cbbbe66de1649a58355c7a
MD5 hash:
6e3d80ddd22333f81ee5eb851e9e6075
SHA1 hash:
f57cfe2ddec692b0a0a1e18dd37d58d676105e22
SH256 hash:
40821f2c5247a234030a44871d4d62035044e2d486432b81e06880213c6fa912
MD5 hash:
c98557f7f6d853d88f1704eeacf3f39d
SHA1 hash:
01fb8c8b57fe8e19022f3fe0ac882c4e9cd9c69c
SH256 hash:
bbbf1af3eb7fa39ea2512e332cc8114ef90dab847084a15e4a7866abcb111331
MD5 hash:
b7500b938c31403be1bd3a3d15adcb2d
SHA1 hash:
77a0754e0264185d6c99ae799b5c345bffc6b569
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
1310afbd1045ae9eadf1d02d449efc793182d503889e33da0c068b952a3275a7
MD5 hash:
035ba7911b92bf68446ac058619518af
SHA1 hash:
e933bccdf9f2cd1c3df6982affc1935ce58d9df1
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_masslogger_w0
Author:govcert_ch

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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