MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df. 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: 14

Intelligence 14 IOCs YARA 21 File information Comments

SHA256 hash:	55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df
SHA3-384 hash:	3608ebd0b316a1b77996af6583e36991c3d5b4458911af79a5dcc3189fea978c0ffcc7993d1345aee0c8086835620ec3
SHA1 hash:	44dd9c9c51bd6b99521bd3ca7b8866d8084a540d
MD5 hash:	7965c92ef3a0bd1e92a8ff216c0fc1a0
humanhash:	social-victor-pluto-leopard
File name:	55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	978'944 bytes
First seen:	2026-02-05 15:40:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep	24576:rs40vhuIGNisyLPA2s//6zBUgkoW6UdS+:Y405uj4syUb/kU4sS
Threatray	2'870 similar samples on MalwareBazaar
TLSH	T1B72512683307C611C1669FF41872D2B91B795FDAAA21D207CFDABDEBB43AB601C45243
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	adrian__luca
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/df53de83-0179-41e1-8727-6f5c431041df/

Malware family:

n/a

ID:

File name:

e-dekont_html.z

Verdict:

Malicious activity

Analysis date:

2026-01-26 07:23:19 UTC

Tags:

arch-exec snake keylogger telegram susp-lnk stealer

Link:

https://app.any.run/tasks/85dadd25-021e-4e82-b1f8-af8823583c2d

Note:

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

Detection:

VIPKeyLogger

Link:

https://www.capesandbox.com/analysis/52145/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6984ba54ae5379bb6609c860

Tags:

autorun virus krypt msil

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-26T03:57:00Z UTC

Last seen:

2026-02-07T10:50:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/9048504c-74b5-4ac4-afa5-96477443c9e2

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2026-01-26 07:28:37 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=kw4y4bxbgvzq7ir32sxwlmlbxjiflkpjcule5om3sqbk2b7g43pq._file

Verdict:

malicious

Label(s):

vipkeylogger

MassLogger

722f03602e2f49798b90975a8abbd3270b984399f49286f876c3156aff671959

MassLogger

75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78

MassLogger

7693bac5a927633eff56819ee7ab55dea7d03c2b25286b335380b2afa053fff5

MassLogger

78f8b46dfdd55f7914e78f925189180f674945327ee3fa9187e2d5de86b15337

MassLogger

+ 2'860 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/260205-s4mrksbv5a/

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

Drops startup file

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

VIPKeylogger

Vipkeylogger family

Unpacked files

SH256 hash:

55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df

MD5 hash:

7965c92ef3a0bd1e92a8ff216c0fc1a0

SHA1 hash:

44dd9c9c51bd6b99521bd3ca7b8866d8084a540d

Link:

https://www.unpac.me/results/fb552f04-4783-43a6-8ed8-b5dde1d5f5cc/

SH256 hash:

e756e029caffc451a26bf27a6288aaf4e3ac629d6d5655cee060efad0067b5cc

MD5 hash:

0fd148dc09f43a6082ed8c1ead8546d9

SHA1 hash:

1c4332b4bdb73b3abe6e0b4d2428582aa1bccc67

Link:

https://www.unpac.me/results/fb552f04-4783-43a6-8ed8-b5dde1d5f5cc/

SH256 hash:

95892f0bc179246961e3cf5eeac444143a4f9b455ab740746dad3ecc32c93e62

MD5 hash:

694c313b660123f393332c2f0f7072b5

SHA1 hash:

ee790ec841b7761679a05771d551a154c7f87a93

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/fb552f04-4783-43a6-8ed8-b5dde1d5f5cc/

Parent samples :

9a0d20eec0a1e89a656a76aee82bf0619d8b83a0b445e095de190436dd110f42
256b9eb0b0ef69eeee00712c0e9fab59601934633f2bb6d0a0b10ac04bd5b2ab
75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78
68d311ac923f8a0854dbfa4d1401c84db61a2c530ec3fb6e1994a690fdfdd38d
5d67d216226094ebbc78b8c39e49b758e0b1624f904e2b6748bcfb39df8d6ed3
ceaa3016ce3897c17e580b58f2a41cc247de57bada3271b30aa389bcf3787ea0
553d904e1d73497fc05af9b9fa570cd6ea72043a445b2c358ce27bc84d28d226
f67799cd9ce6b4691134db9c85bab1ed79cb17d6b9b805916f118251b0d0f1e8
14b61a0155007f6e19dd356eb215652c7eb5dba764e5f059f3e37cbd273c3daa
55b98e06e135730fa23bd4af65b161ba5055a9e915164eb99b9402ad07e6e6df
141fcfa2abaae31d65da4145a537bfe13dd01ec9759d3bc1f6dd8d5ba5c1ff26
ba19434fbc08324b9a2e9ef01c34ce3818a3480f1efa03b864a38931d6d64642

SH256 hash:

f93ef84ad0b2ae87d6b1f031afd993f2b4b8257a234f7eda39c7756dd1095422

MD5 hash:

19230b2951f913ff43350f86c6870890

SHA1 hash:

f62c4fd9872de716cbc401dd0772ea796e301973

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/fb552f04-4783-43a6-8ed8-b5dde1d5f5cc/

Malware family:

SnakeKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/55b98e06e135/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:	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:	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:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	TelegramAPIMalware_PowerShell_EXE Create hunting rule
Author:	@polygonben
Description:	Hunting for pwsh malware using Telegram for C2

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

Rule name:	VIPKeyLogger Create hunting rule
Author:	kevoreilly
Description:	Detects VIPKeyLogger Keylogger

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/52145/

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