MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6481c323180a497b6bf9461adc33c9aedd2320b1700ea8c309565253585c0a1. 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 17 File information Comments

SHA256 hash: e6481c323180a497b6bf9461adc33c9aedd2320b1700ea8c309565253585c0a1
SHA3-384 hash: 32827d281c932e78852e0b9ca2a36d229e51b78ada950da9a6142a79283050d2710c8f73873c2fa7f49dcbd456dab001
SHA1 hash: 46c7e4fd0f52154d774a1aeecb19de012d2c6993
MD5 hash: 356e2d3a12a2d39e79ac41d8d4d8cec4
humanhash: alanine-don-lemon-don
File name:TAX_INVOICE_446.exe
Download: download sample
Signature MassLogger
File size:551'424 bytes
First seen:2025-04-11 06:40:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:HURJ/e5E/p/wXI19sPIkzgrZBWyWJ13WGf9KoXSaTmBRpqj4/KJS4E:0RY5axrZ8yWJ13nVTURh
Threatray 4'022 similar samples on MalwareBazaar
TLSH T1B2C4F0543675DF02D4BA1BF41D71E1B827B0ACAEA921D3495FEAADEF3836B001241B53
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
Reporter cocaman
Tags:exe INVOICE MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
434
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RE_ TAX_INVOICE_446.eml
Verdict:
Suspicious activity
Analysis date:
2025-04-10 14:12:49 UTC
Tags:
arch-exec attachments attc-unc susp-attachments

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-04-10 15:11:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
e6481c323180a497b6bf9461adc33c9aedd2320b1700ea8c309565253585c0a1
MD5 hash:
356e2d3a12a2d39e79ac41d8d4d8cec4
SHA1 hash:
46c7e4fd0f52154d774a1aeecb19de012d2c6993
SH256 hash:
ce62f1296214ce2d3095c9691cc5e58a88145b430964974cd9871e0628c28285
MD5 hash:
09d6bdc81689962264c4eaaabfe3e7b2
SHA1 hash:
383cc4bc6a6b992f196bccb28f10b621719c582b
SH256 hash:
411d9496136f58e8cf43ee5e84309f1d3c978e59f4d6c74c1079d1cc442bca6c
MD5 hash:
a80cde8db4ebcb64121c3d4b78b4bd90
SHA1 hash:
e858df78af948aedeacd4cb9a28af125fd054b88
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
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.

Malspam

MassLogger

Executable exe e6481c323180a497b6bf9461adc33c9aedd2320b1700ea8c309565253585c0a1

(this sample)

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

Comments