MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e6f3a59c25802e0ac8ad91502b3b5ac25775195d7447b870cf4c28f9aa0db5f. 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 17 File information Comments

SHA256 hash: 7e6f3a59c25802e0ac8ad91502b3b5ac25775195d7447b870cf4c28f9aa0db5f
SHA3-384 hash: 67adaa1b29b19ca0502115dc3da0e8dbfe7f95884028398ce330383d92575ab1b52b70b6f4eec188b16cc726e8e7bb59
SHA1 hash: a35ee750985d975d18e65d77afc613fd7578b073
MD5 hash: f2270954989f719999e05815203fbe0a
humanhash: artist-fanta-wolfram-asparagus
File name:7e6f3a59c25802e0ac8ad91502b3b5ac25775195d7447b870cf4c28f9aa0db5f
Download: download sample
Signature MassLogger
File size:612'864 bytes
First seen:2025-04-08 08:52:10 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:S0a9fTeJxy1T6rXrDEYCKx3RAtlVQxUGt3A7hRim/I:Pa9frpQXOKx3MQxUqW7
Threatray 3'489 similar samples on MalwareBazaar
TLSH T14ED4CF49722DCF1ADAB987F90921F23007F92D9EB116E2159EDA6CEB7875F000D84B53
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 adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
399
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7e6f3a59c25802e0ac8ad91502b3b5ac25775195d7447b870cf4c28f9aa0db5f
Verdict:
Malicious activity
Analysis date:
2025-04-08 15:59:12 UTC
Tags:
snake keylogger stealer evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
masslogger spawn shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
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 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)
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: 1659271 Sample: sMtY0yZBiu.exe Startdate: 08/04/2025 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 Antivirus / Scanner detection for submitted sample 2->49 53 10 other signatures 2->53 8 sMtY0yZBiu.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\...\sMtY0yZBiu.exe.log, ASCII 8->25 dropped 55 Adds a directory exclusion to Windows Defender 8->55 57 Injects a PE file into a foreign processes 8->57 15 sMtY0yZBiu.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 193.122.130.0, 49681, 80 ORACLE-BMC-31898US United States 15->35 37 reallyfreegeoip.org 104.21.16.1, 443, 49682 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:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-03-31 01:09:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
7e6f3a59c25802e0ac8ad91502b3b5ac25775195d7447b870cf4c28f9aa0db5f
MD5 hash:
f2270954989f719999e05815203fbe0a
SHA1 hash:
a35ee750985d975d18e65d77afc613fd7578b073
SH256 hash:
65f0880737b9a2dbf00faa12e37e679b8a1232237df736360fcc14e19e806cca
MD5 hash:
f22fece115e9c0f99bf3bff82d4fb834
SHA1 hash:
034e911420fad38712fb1200d9ff116af39a7cd4
SH256 hash:
950053273436e0c27809bdaadf643371284b1d4f5ee7c9300c3e2cadf7785fd3
MD5 hash:
19f68e8c69b95ea590932558706f0a77
SHA1 hash:
be02ce8b0df3a8238e419cf87472da481244e36d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ac7167bc901c7ed0357baf16ab2ed8eacd6f2af92db36edd153328321cc8685f
MD5 hash:
d35df86dd6aa955b44c0793b29f38bbf
SHA1 hash:
c04d923abcdeb026490e29fde624f7876130ee22
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
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.

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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