MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c396d4ff2505f5f79cb995e79aa69faeac8166ea0ad107f9872ff5c837ab915c. 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 21 File information Comments

SHA256 hash:	c396d4ff2505f5f79cb995e79aa69faeac8166ea0ad107f9872ff5c837ab915c
SHA3-384 hash:	fe803cd2a64300fa68a4369d167f59253440a97916a8461a647fd826718ece29f997a9aadf2cc42278e115d21d06991d
SHA1 hash:	57609da122579611fb148bb8392a86120e85df50
MD5 hash:	bc3b50e77d36d6f798993da0bfc7fdfc
humanhash:	helium-harry-mars-shade
File name:	SecuriteInfo.com.Win32.MalwareX-gen.23187.28624
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	523'264 bytes
First seen:	2025-06-18 13:44:08 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:BFrq8IXbMSlZP9aSpv1jsI6j0BzrvDKODbQrBPuFYdNStQa9doBLbOIGR:/n+bM0PrpKZjIzLeqAs8Gr9CBLbWR
TLSH	T1D5B4014573E5D922E5E94BF05E31D2B65739AFCEA400C20B88FEFCEB79117653824282
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 :

485

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.Win32.MalwareX-gen.23187.28624

Verdict:

Malicious activity

Analysis date:

2025-06-18 13:47:17 UTC

Tags:

snake keylogger evasion stealer netreactor ims-api generic

Link:

https://app.any.run/tasks/94b78d75-31b3-43b2-a33c-296fc85d3c15

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/10032/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6852c2f78469b16a4d223999

Tags:

virus micro msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Blocking the Windows Defender launch

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/6852c2cbcf2af157111103b4/reports/39f11e7b-9efa-43a7-8624-be31b0b1acef/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/c396d4ff2505f5f79cb995e79aa69faeac8166ea0ad107f9872ff5c837ab915c

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/43de1976-72d0-4ef6-b91e-df95d3579ba8

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1717528

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

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:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c396d4ff2505f5f79cb995e79aa69faeac8166ea0ad107f9872ff5c837ab915c

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c396d4ff2505f5f79cb995e79aa69faeac8166ea0ad107f9872ff5c837ab915c/

Threat name:

ByteCode-MSIL.Trojan.VIPKeylogger

Status:

Malicious

First seen:

2025-06-18 10:49:03 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=yolnj7zfax27phfzsxtzvju7v2wiczxkbliqp6mhf724qn5lsfoa._file

Verdict:

malicious

Label(s):

unc_loader_037

Similar samples:

error

MassLogger

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger collection discovery evasion spyware stealer trojan

Link:

https://tria.ge/reports/250618-q14jtaykw3/

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

MassLogger

Masslogger family

Modifies Windows Defender DisableAntiSpyware settings

Malware Config

C2 Extraction:

https://api.telegram.org/bot7343184699:AAGS6NMvdo1ZZiUUu2nogfV4rLvIJAomf-E/sendMessage?chat_id=7658880695

Verdict:

Malicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/58c15dbf-1ab0-472e-905f-5e57829bbd70

Unpacked files

SH256 hash:

c396d4ff2505f5f79cb995e79aa69faeac8166ea0ad107f9872ff5c837ab915c

MD5 hash:

bc3b50e77d36d6f798993da0bfc7fdfc

SHA1 hash:

57609da122579611fb148bb8392a86120e85df50

Link:

https://www.unpac.me/results/a85c9968-e00d-4a79-a406-834aadae4ad1/

SH256 hash:

7c7fbb745c40b3bf1a1e2e0e81ddffb74f128cb42d90c33eefc2669339d2efd7

MD5 hash:

89218f04706178772b402ddb003927ae

SHA1 hash:

070afaf0831d4374fbb3b26b089ae0bbf4348763

Link:

https://www.unpac.me/results/a85c9968-e00d-4a79-a406-834aadae4ad1/

SH256 hash:

84281cc7821acd2fc0c5a2a933c22661231f099fba354748d36a18710f79edda

MD5 hash:

585bf2f26877e29798fec995ec544767

SHA1 hash:

257ac8c0c629de20688af9b1a099c22dda283c11

Detections:

win_404keylogger_g1

win_masslogger_w0

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

Link:

https://www.unpac.me/results/a85c9968-e00d-4a79-a406-834aadae4ad1/

SH256 hash:

935d99433c627221ce77955e172f031c39de247a836b56e18ddfd8db7560630f

MD5 hash:

4a8053011c43794230787224e264a652

SHA1 hash:

2c32d8666dc4b406ea7412c260c21ab1b4279776

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/a85c9968-e00d-4a79-a406-834aadae4ad1/

Malware family:

PrivateLogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c396d4ff2505/report/overview.html

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

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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

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_RegKeyComb_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

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:	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:	Runtime_Broker_Variant_1 Create hunting rule
Author:	Sn0wFr0$t
Description:	Detecting malicious Runtime Broker

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.

Cape

https://www.capesandbox.com/analysis/10032/

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 (HIGH_ENTROPY_VA)	high
CHECK_TRUST_INFO	Requires Elevated Execution (Unrestricted:true)	high

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