MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec. 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: 17

Intelligence 17 IOCs YARA 22 File information Comments

SHA256 hash:	3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec
SHA3-384 hash:	6c3200973b72136c4f8c1112874d5e39ca84e9d39a8f686a68a5f8091b829ce11a88500abd789d76cc0abc88601d634e
SHA1 hash:	fbe22c7dda3d0ff4ca5889efd06ef90da4f72115
MD5 hash:	0662c153e6eb314765f4f49a184f1a16
humanhash:	neptune-twelve-october-louisiana
File name:	SecuriteInfo.com.Win32.MalwareX-gen.57459623
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	878'080 bytes
First seen:	2025-08-19 16:20:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	12288:JCL/Gm8OGFYH0IpA+GVVt4EAc3b1sQ5KO3ffEC81kbWBgzNsdxSinGIK7han21B+:JCjTdKqyiI364Q1k6BgzmdxSiGIK
Threatray	3'316 similar samples on MalwareBazaar
TLSH	T1AD15AE9B33C1B59EC4D3993148A0DEB795102C6A42078EC3A1DF2DABF93D5869E4C1F6
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	d4a2a8a4ace9aad4 (3 x MassLogger)
Reporter	SecuriteInfoCom
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

_3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec.exe

Verdict:

Malicious activity

Analysis date:

2025-08-19 17:01:29 UTC

Tags:

evasion snake keylogger telegram stealer netreactor

Link:

https://app.any.run/tasks/b085a2d2-1738-481d-a8e1-ea39e8ccdb66

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/22301/

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.57459623.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68a4a4688fd55a79c52947a1

Tags:

spawn shell micro

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:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed vbnet

Link:

https://www.filescan.io/uploads/68a4a48eabfbaec31825e0a2/reports/c9db5434-e856-4b95-bdc0-9e62eb2a44b2/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0bcca649-eb5f-4bfa-94d2-4cf7a19177a6

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec/

Verdict:

Malicious

Threat:

Family.SNAKE

Link:

https://tip.neiki.dev/file/3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

Threat name:

Win32.Trojan.Egairtigado

Status:

Malicious

First seen:

2025-08-19 16:22:36 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=h672dntdeywgnag6rgqbxq2ycwzrvbjayfkxsqer6sfhe2tdaxwa._file

Verdict:

malicious

Label(s):

vipkeylogger

unc_loader_037

MassLogger

231b85cb84244053686d0c7e0ef9c49242d2e896e447c571f6eafd40ed51f82a

MassLogger

3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

MassLogger

82d522f59433a213747eee3225ea33d1c1f2976a3a4a3412fe92e436f734c2f2

MassLogger

bae9135e4f7adf5a2727eca0c3495a25757c1e23a97b2986458c018d2e101636

MassLogger

c5e4aa78af496b5eba31db0d046a0d9165174d60b28dd6acec669628a2c9bf30

MassLogger

error

MassLogger

+ 3'306 additional samples on MalwareBazaar

Result

Malware family:

vipkeylogger

Score:

10/10

Tags:

family:vipkeylogger collection defense_evasion discovery execution keylogger spyware stealer

Link:

https://tria.ge/reports/250819-ttw3yael7w/

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

Verdict:

Malicious

Tags:

404Keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/ee7b8b8d-5d59-49c2-9ba2-fde8858abfca

Unpacked files

SH256 hash:

3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

MD5 hash:

0662c153e6eb314765f4f49a184f1a16

SHA1 hash:

fbe22c7dda3d0ff4ca5889efd06ef90da4f72115

Link:

https://www.unpac.me/results/c83a6945-1121-4fcc-b70f-42166eaeee57/

SH256 hash:

27e5ffda53751e7360f380bd82a3176a7875a555f6af5b130fb2d64ff776c895

MD5 hash:

68845a1d0f6c65bb7ecc09ca76d2f005

SHA1 hash:

0145c4314c2cf41ae583bb32784fe780c1cdaf1d

Link:

https://www.unpac.me/results/c83a6945-1121-4fcc-b70f-42166eaeee57/

SH256 hash:

44f92c25d4d71cd0848fdd7e79ac36d779480da454ef0c9a44ced7f4aea16dcc

MD5 hash:

a6ecee6815d16e82a0c38dd0b6015c64

SHA1 hash:

1045aefcdac89b74c23e54d3bac0641bea6ad015

Detections:

win_404keylogger_g1

win_masslogger_w0

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/c83a6945-1121-4fcc-b70f-42166eaeee57/

Parent samples :

734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9
03ffd9138d53cd6d65d05e242d9775a3b51201a0d556d208a69509e7be0455b7
c5e4aa78af496b5eba31db0d046a0d9165174d60b28dd6acec669628a2c9bf30
3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec
b6fdc7de80b3afad0be8be678dbd7dbf1edf000434f075e67bdc3236488cd1fe
4af56b9bfd7f7de86cc0b3b6a910c2ffb331f6c76e32104041c554c00409d296

SH256 hash:

104a7d3fea68601604d984aa886502ffb5450a612a566b6dc1c8308d18c6a1fa

MD5 hash:

60b804d7cff1b3859591b4e5eff48923

SHA1 hash:

fc26a0a4ccad7acfe70faeaece7097b04e161b99

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/c83a6945-1121-4fcc-b70f-42166eaeee57/

Malware family:

zgRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3fbfa1b66326/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

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:	CP_AllMal_Detector Create hunting rule
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 Create hunting rule
Author:	Rony (r0ny_123)
Description:	Detects Snake keylogger payload

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook Create hunting rule
Author:	ditekSHen
Description:	Detects executables with potential process hoocking

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	MAL_Envrial_Jan18_1 Create hunting rule
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 Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	masslogger_gcch Create hunting rule
Author:	govcert_ch

Rule name:	matiex Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked matiex malware samples.

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

Rule name:	Windows_Trojan_SnakeKeylogger_af3faa65 Create hunting rule
Author:	Elastic Security

Rule name:	win_masslogger_w0 Create hunting rule
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

exe 3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec

(this sample)

Cape

https://www.capesandbox.com/analysis/22301/

URLhaus

https://urlhaus.abuse.ch/url/3606594/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

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