MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4156831dff69a42b6dfd9725ed18b812d9f3933e77d54f7f87b52b785054c9a0. 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: 19


Intelligence 19 IOCs YARA 23 File information Comments

SHA256 hash: 4156831dff69a42b6dfd9725ed18b812d9f3933e77d54f7f87b52b785054c9a0
SHA3-384 hash: 44cc4951327b7cc69e7568de40494179485f4f3bc60d3653809c2d7df7523712e61612663e5ffa95b28cec5ee0d000e4
SHA1 hash: 3d419d8e0121357959e26f923f5b5b789123b83a
MD5 hash: 306e75fcb82eeee4bff923a261af7001
humanhash: mockingbird-louisiana-beryllium-aspen
File name:SecuriteInfo.com.Win32.MalwareX-gen.62699221
Download: download sample
Signature MassLogger
File size:889'344 bytes
First seen:2025-08-22 16:44:22 UTC
Last seen:2025-08-22 17:29:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:GPoooooigooonb3QNVXgkHOMKlHRWVN8uasoiDKzg78F5pZclll:moooooigooonb3QNVtu9xWVNd/8z9F5K
Threatray 528 similar samples on MalwareBazaar
TLSH T16115F17176629D13D6B652F00CE4D2B893B90ECAB921D2C76ED62CDF3DF9B019A04187
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
dhash icon f0e8b9d99626b6cc (1 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2to1ep.bin
Verdict:
Malicious activity
Analysis date:
2025-08-22 16:31:36 UTC
Tags:
auto metasploit framework python github anti-evasion xenorat rat vidar stealer smb xtinyloader loader telegram phishing storm1747 tycoon asyncrat generic clickfix miner possible-phishing agenttesla anydesk tool lumma havoc rhadamanthys tinynuke modiloader redline irc remcos xworm koadic purelogsstealer koiloader coinminer dbatloader pyinstaller njrat bruteratel stealerium donutloader cobaltstrike meterpreter ircbot backdoor evasion formbook azorult bladabindi xred arechclient2 quasar networm amus whitesnakestealer wannacry ransomware pythonstealer schoolboy

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
backdoor spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-22T00:09:00Z UTC
Last seen:
2025-08-22T00:09:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.MSIL.Taskun.gen Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb HEUR:Trojan-Spy.MSIL.Agent.sb
Malware family:
Snake Keylogger
Verdict:
Malicious
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-08-22 09:18:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection defense_evasion discovery execution keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
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
Modifies trusted root certificate store through registry
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137
Unpacked files
SH256 hash:
7aa841be23154871ceedfdf65d55dc30017583c55a10544a6bee9be0830c229f
MD5 hash:
c83f9526db41aa0fe6c3c075c6690534
SHA1 hash:
29dcea98a6f5e74e3ec28053de0380751ee8e72d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
42e0cbc59117c882ebc3718fcb6cdf623ed7acebfa425b82806885b56b0e8bc7
MD5 hash:
2a60953119fc454b98160811f7dfcb19
SHA1 hash:
ef016d437cbedb2417a24f55946cfca8c150be17
Detections:
MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
02bfcdacae1ea40778dfd4a1b2c2a091371a191a07c1313b846f50fc5c1d61c9
MD5 hash:
a9865aefbeeefd636db5347065baf4af
SHA1 hash:
fc367fbd300a924a02f02e63fb1bdc1ad99d5b8a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4156831dff69a42b6dfd9725ed18b812d9f3933e77d54f7f87b52b785054c9a0
MD5 hash:
306e75fcb82eeee4bff923a261af7001
SHA1 hash:
3d419d8e0121357959e26f923f5b5b789123b83a
Malware family:
SnakeKeylogger
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. 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:matiex
Author:Michelle Khalil
Description:This rule detects unpacked matiex malware samples.
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: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.

Web download

MassLogger

Executable exe 4156831dff69a42b6dfd9725ed18b812d9f3933e77d54f7f87b52b785054c9a0

(this sample)

  
Delivery method
Distributed via web download

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 (GUARD_CF)high

Comments