MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe. 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 21 File information Comments

SHA256 hash:	403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe
SHA3-384 hash:	eaf8ea97d525dd3d8a6f91a1ba61f2267ce8d7e9c6ecf8b3917b9a500f508894cb96fb1aed36d142b0fd81606cd2c045
SHA1 hash:	687c23cd44c75cbcad8c9331eab7e8d2d0c7d16d
MD5 hash:	490570d5d27db78cdcd548fa99938ea4
humanhash:	sad-mirror-ack-johnny
File name:	SecuriteInfo.com.Trojan.PackedNET.3390.9277.20856
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	766'976 bytes
First seen:	2025-08-19 07:14:53 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:DuTFvGz8han2c8xx2kDc3R+vCIHdCqfZI/wd+EV0Qd9GLsIdT5L13BIOZWw:IjjCb/oV0q9gsIdTRWw
TLSH	T15AF412B90226D915D1913BB148A1E3F4C37D4FD8A521D707ABFABCDB7C2B30169153A2
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
dhash icon	000000a280000000 (4 x MassLogger, 2 x RemcosRAT, 2 x Formbook)
Reporter	SecuriteInfoCom
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

Vendor Threat Intelligence

Malware family:

meterpreter

ID:

File name:

2to1ep.bin

Verdict:

Malicious activity

Analysis date:

2025-08-19 07:09:15 UTC

Tags:

auto metasploit framework python possible-phishing backdoor meterpreter payload github xtinyloader loader miner clickfix phishing networm amus generic tinynuke anydesk tool amadey redline stealer agenttesla asyncrat rat koadic njrat bladabindi xworm purelogsstealer neshta dbatloader coinminer clipper diamotrix phorpiex storm1747 tycoon evasion ransomware cryptolocker cobaltstrike lumma quasar formbook botnet pyinstaller stealerium gh0st xred vipkeylogger keylogger stormkitty websocket arechclient2 remcos masslogger meta nitol valley

Link:

https://app.any.run/tasks/c0751659-de7f-4a49-acff-b11e19ec7e4c

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/22117/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3390.9277.20856.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68a424e08fd55a79c52926b2

Tags:

spawn shell micro

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

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

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c8f863f8-0212-4a98-9f48-ac0af389e354

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe/

Verdict:

Malicious

Threat:

Family.SNAKE

Link:

https://tip.neiki.dev/file/403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-08-19 03:04:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 38 (71.05%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ia54juturmsqtp5mxm2zbg7w5rxg5y3624uvgmay2v5zwqmjod7a._file

Verdict:

malicious

Label(s):

unc_loader_037

vipkeylogger

Similar samples:

error

MassLogger

Result

Malware family:

vipkeylogger

Score:

10/10

Tags:

family:vipkeylogger collection defense_evasion discovery execution keylogger spyware stealer

Link:

https://tria.ge/reports/250819-h3rn2a1pt2/

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

Verdict:

Malicious

Tags:

404Keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/7faeedea-f42f-460a-9ed4-b8d85ad0b9aa

Unpacked files

SH256 hash:

403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe

MD5 hash:

490570d5d27db78cdcd548fa99938ea4

SHA1 hash:

687c23cd44c75cbcad8c9331eab7e8d2d0c7d16d

Link:

https://www.unpac.me/results/da5cd21a-e82a-4bd9-99ad-5e7e253b40a4/

SH256 hash:

27e5ffda53751e7360f380bd82a3176a7875a555f6af5b130fb2d64ff776c895

MD5 hash:

68845a1d0f6c65bb7ecc09ca76d2f005

SHA1 hash:

0145c4314c2cf41ae583bb32784fe780c1cdaf1d

Link:

https://www.unpac.me/results/da5cd21a-e82a-4bd9-99ad-5e7e253b40a4/

SH256 hash:

26a73e4a7f10806ec909dd92b4dfe23072588daf06c5afa3df366b5b02e8d007

MD5 hash:

915efa440be165f7747d796e918f2604

SHA1 hash:

3c18cb5e321aad4173d0175d165a3ba3a4f3d702

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/da5cd21a-e82a-4bd9-99ad-5e7e253b40a4/

SH256 hash:

42e0cbc59117c882ebc3718fcb6cdf623ed7acebfa425b82806885b56b0e8bc7

MD5 hash:

2a60953119fc454b98160811f7dfcb19

SHA1 hash:

ef016d437cbedb2417a24f55946cfca8c150be17

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/da5cd21a-e82a-4bd9-99ad-5e7e253b40a4/

Parent samples :
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Malware family:

SnakeKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/403bc4d2748b/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/403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe

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:	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 403bc4d2748b2509bfacbb35909bf6ec6e6ee37ed729533018d57b9b418970fe

(this sample)

Cape

https://www.capesandbox.com/analysis/22117/

URLhaus

https://urlhaus.abuse.ch/url/3606590/

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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