MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 273c5c5cef2d37aca6f8279bfc4e2590e8da523c2e1e3ffb54cb9cc14eee9bcd. 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 19 File information Comments

SHA256 hash: 273c5c5cef2d37aca6f8279bfc4e2590e8da523c2e1e3ffb54cb9cc14eee9bcd
SHA3-384 hash: 1ba14e46a4c0efd5e2e502bacdded7d3961b471b321a99178fbae95a29e52b837d44ab82f19533da722aa72eab385682
SHA1 hash: 0879334c28492efb861fa313c44172080b058803
MD5 hash: 2e5728ba62a499834ab3480e40c2fd1a
humanhash: fanta-uncle-oscar-don
File name:DTB12201.VBE
Download: download sample
Signature MassLogger
File size:556'439 bytes
First seen:2025-10-07 14:28:31 UTC
Last seen:Never
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 12288:IABKEXtuELsgKF3R71fojnxV2wnGGUcONET:rlLsgk3Rxw7gcge
Threatray 1'362 similar samples on MalwareBazaar
TLSH T107C402018DC87FB4CFA8492840FE161EA7B0569E446A658DFF2BBD477FE7A4401072D9
Magika vba
Reporter abuse_ch
Tags:MassLogger vbe

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
agenttesla vmdetect
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive krypt obfuscated obfuscated powershell reconnaissance
Verdict:
Malicious
File Type:
vbs
First seen:
2025-10-06T08:36:00Z UTC
Last seen:
2025-10-09T12:20:00Z UTC
Hits:
~10000
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected MSILLoadEncryptedAssembly
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1790689 Sample: DTB12201.VBE.vbe Startdate: 07/10/2025 Architecture: WINDOWS Score: 100 30 reallyfreegeoip.org 2->30 32 checkip.dyndns.org 2->32 34 checkip.dyndns.com 2->34 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 50 9 other signatures 2->50 8 wscript.exe 3 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 48 Tries to detect the country of the analysis system (by using the IP) 30->48 process4 dnsIp5 28 C:\Temp\8Q3VHP1MXMWH_3.943305E+07.ps1, Unicode 8->28 dropped 56 Suspicious powershell command line found 8->56 58 Wscript starts Powershell (via cmd or directly) 8->58 60 Bypasses PowerShell execution policy 8->60 62 2 other signatures 8->62 15 powershell.exe 16 8->15         started        40 127.0.0.1 unknown unknown 12->40 file6 signatures7 process8 signatures9 64 Writes to foreign memory regions 15->64 66 Injects a PE file into a foreign processes 15->66 18 aspnet_compiler.exe 15 2 15->18         started        22 conhost.exe 15->22         started        24 aspnet_compiler.exe 15->24         started        26 5 other processes 15->26 process10 dnsIp11 36 checkip.dyndns.com 193.122.130.0, 49681, 80 ORACLE-BMC-31898US United States 18->36 38 reallyfreegeoip.org 172.67.177.134, 443, 49682 CLOUDFLARENETUS United States 18->38 52 Tries to steal Mail credentials (via file / registry access) 18->52 54 Tries to harvest and steal browser information (history, passwords, etc) 18->54 signatures12
Verdict:
Malware
YARA:
2 match(es)
Tags:
ADODB.Stream Batch Command MSXML2.DOMDocument MSXML2.DOMDocument.6.0 PowerShell PowerShell Call Scripting.FileSystemObject VBScript WScript.Network WScript.Shell
Threat name:
Script-WScript.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-10-06 12:43:44 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
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
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
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:Base64_Encoded_Powershell_Directives
Rule name:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique
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_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
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.

Comments