MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9. 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 20 File information Comments

SHA256 hash:	734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9
SHA3-384 hash:	565396785f044dd69fb9c4e8f32dc0f4338088e88e254b1e8c1cca6d7a702367cc639117bfe134f44c37ae6e4973d86a
SHA1 hash:	7bba8726975725606efce5686c1aa6ad5d38b36b
MD5 hash:	8e32bfb76fdee96c807175d557e08b54
humanhash:	papa-pizza-iowa-utah
File name:	SecuriteInfo.com.Win32.MalwareX-gen.35529426
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	737'792 bytes
First seen:	2025-08-07 06:06:10 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:O6N/DkbHMWu6d6aEVDf63EEE/IBnzpKf3rTNiEcK:O6N/mHMGdQC3+qps3nQE
Threatray	3'210 similar samples on MalwareBazaar
TLSH	T16EF4121C31FADB32D55A8BB45E32E03503B52CAAE072D719CDDB7CCB3519BA09914B62
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	SecuriteInfoCom
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

4363463463464363463463463.exe

Verdict:

Malicious activity

Analysis date:

2025-08-06 21:10:50 UTC

Tags:

loader github hausbomber evasion snake keylogger networm amus auto generic quasarrat rat quasar telegram phishing python stealer discord meterpreter backdoor payload metasploit njrat bladabindi xworm framework lclipper clipper ransomware cryptolocker remote gh0st gh0stcringe coinminer miner asyncrat remcos autoit arch-exec delphi amadey botnet purelogs purecrypter ngrok gcleaner stealc phish-img redline ftp dcrat darkcrystal inno installer

Link:

https://app.any.run/tasks/c15727d2-0cee-4b0f-94fc-af64033f1ea5

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/19407/

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.35529426.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689442851e8a59ee04e6ea09

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

Link:

https://www.filescan.io/uploads/6894427d6d7bffa0a79f5d9b/reports/5de430d2-104d-4e06-8992-b524f1907715/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/66722939-d829-4ea2-ae68-a82debea7559

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9/

Threat name:

ByteCode-MSIL.Trojan.DarkCloud

Status:

Malicious

First seen:

2025-08-06 22:37:30 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=onhqfkbzqt5hvdltlq74v76xz5h26sxziq4ndghag25c7k3xx7eq._file

Verdict:

malicious

Label(s):

vipkeylogger

unc_loader_037

MassLogger

5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049

MassLogger

990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc

MassLogger

baccebd3888e8622e858e7a771d985e3eeaf05b6b73d0b67df5bdb710ec65ba5

MassLogger

d313827b50a344b6f5a1adb8392a5be95d65e07d0c58b2e3b91524b33caf5139

MassLogger

+ 3'200 additional samples on MalwareBazaar

Result

Malware family:

vipkeylogger

Score:

10/10

Tags:

family:vipkeylogger collection discovery execution keylogger spyware stealer

Link:

https://tria.ge/reports/250807-gt7hfscq9v/

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

SmartAssembly .NET packer

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

VIPKeylogger

Vipkeylogger family

Verdict:

Malicious

Tags:

404Keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/eb2c108e-59c0-4d28-9afa-b356682141ed

Unpacked files

SH256 hash:

734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9

MD5 hash:

8e32bfb76fdee96c807175d557e08b54

SHA1 hash:

7bba8726975725606efce5686c1aa6ad5d38b36b

Link:

https://www.unpac.me/results/4f5bcd12-ae12-4e69-86ab-104e726f5bd1/

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/4f5bcd12-ae12-4e69-86ab-104e726f5bd1/

Parent samples :

734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9
03ffd9138d53cd6d65d05e242d9775a3b51201a0d556d208a69509e7be0455b7
c5e4aa78af496b5eba31db0d046a0d9165174d60b28dd6acec669628a2c9bf30
3fbfa1b663262c6680de89a01bc35815b31a8520c155794091f48a726a6305ec
b6fdc7de80b3afad0be8be678dbd7dbf1edf000434f075e67bdc3236488cd1fe
4af56b9bfd7f7de86cc0b3b6a910c2ffb331f6c76e32104041c554c00409d296

SH256 hash:

6e5ae0f729a327bceefc2a7ada433ecb62251d3ffb41ea483dc7391e643dfd0f

MD5 hash:

9793092e9b13d76e3efe1fa1503759ef

SHA1 hash:

178c8b83c18aae0b3e1845c65b06d3dad71c310b

Link:

https://www.unpac.me/results/4f5bcd12-ae12-4e69-86ab-104e726f5bd1/

SH256 hash:

d47b9637a0951c53c1a7183740175fa5a16e7b2bb1739643485938950731f12b

MD5 hash:

833b4adcb421caf1827907244e42f31d

SHA1 hash:

9c0d265f88527f0610ed4afc38587548c7392738

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/4f5bcd12-ae12-4e69-86ab-104e726f5bd1/

Malware family:

SnakeKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/734f02a83984/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/734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9

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:	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:	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 734f02a83984fa7a8d735c3fcaffd7cf4faf4af94438d198e036ba2fab77bfc9

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3597805/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/19407/

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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