MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c. 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: 15

Intelligence 15 IOCs YARA 17 File information Comments

SHA256 hash:	b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c
SHA3-384 hash:	271e8b4f3bcc627d8857f80d10f0360aa50b657c5c5c27c23ada72c631c18d00cab870272695f4b8e5380311659afe5a
SHA1 hash:	5d08a7d9109f61ae9ddd88babb1a0ab2098dfb64
MD5 hash:	75543690cf01029af4ad17b004c5df96
humanhash:	juliet-nebraska-shade-mississippi
File name:	b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	650'752 bytes
First seen:	2025-08-12 14:49:06 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:E590Rk1Fh9/oOdPO/WMAT9HFViYZFlmGuMzm8SA2lq:E54w/TdPjvVTHo8mO2
Threatray	3'693 similar samples on MalwareBazaar
TLSH	T122D4F11072A9CD07CE9D437C19B2E13843BADE596213C31E9FE4BDEF7A297515E021A2
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	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	adrian__luca
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c.exe

Verdict:

Malicious activity

Analysis date:

2025-08-12 16:48:09 UTC

Tags:

evasion snake keylogger stealer ims-api generic

Link:

https://app.any.run/tasks/b63e9e6d-90d0-4f0d-8f28-1ca77588f625

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/20821/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689b586efca70bd90e8f1c84

Tags:

backdoor virus msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Searching for synchronization primitives

Sending a custom TCP request

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/689b70949ef4d2ff7cf8c95d/reports/93407514-2e22-4d17-abd2-22a98241183b/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d23a8e34-a05f-4b3c-8509-ed27a2a2f0e8

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c/

Verdict:

Malicious

Threat:

Family.SNAKE

Link:

https://tip.neiki.dev/file/b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2025-07-29 10:58:54 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 36 (75.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wl76wwoias2oxt7f7advjvfxouz2zyfo2gvlfxbwbnx5jtg7aqoa._file

Verdict:

malicious

Label(s):

novastealer

unc_loader_037

MassLogger

03260ed0ef22a3464f72a8e830d5762a789169557137f598c27cdf6de13d2dda

MassLogger

5579cd8909db7f38d563cbbec9f5ec092d0e08f6fdff35c234653f23169ddd3f

MassLogger

ceaa99440a1294e1a574941c6f1b01db99ad6d85d314264156989e893a64cd6e

MassLogger

+ 3'683 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger collection discovery spyware stealer

Link:

https://tria.ge/reports/250812-t9kd3ss1az/

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

Malware Config

C2 Extraction:

https://api.telegram.org/bot8102271568:AAFMLIpgRl9Y9-vMi-6yfKv0hWCLCK72Wzo/sendMessage?chat_id=7162179174

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/6fec344a-12ce-4382-99ae-151419e07521

Unpacked files

SH256 hash:

b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c

MD5 hash:

75543690cf01029af4ad17b004c5df96

SHA1 hash:

5d08a7d9109f61ae9ddd88babb1a0ab2098dfb64

Link:

https://www.unpac.me/results/7532f618-4236-46d0-9952-b3e3df6c3dc0/

SH256 hash:

c1a8e1a04a9dbc3fadca8b68d8a50564427abf4651edc75dec8ba02806395f78

MD5 hash:

fa3f21c4d309c6e94a779932d135606d

SHA1 hash:

57e9edd390b9000cf65d4a0ee10e9e6760300d65

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/7532f618-4236-46d0-9952-b3e3df6c3dc0/

SH256 hash:

b626b022d19120f29057d24a24284f5e0db0966c695fcddd48c559e007344d05

MD5 hash:

75badf051f3591d563ffcdb6dd396094

SHA1 hash:

9529a1ce091b7c591b9acb42a5569dfda85f09fd

Detections:

win_masslogger_w0

win_404keylogger_g1

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/7532f618-4236-46d0-9952-b3e3df6c3dc0/

Parent samples :

7a5543f6686b1fd9aed2ab28a668e52a5e2e279eb07335e2c0f2f41b8d8f29b0
b6e88036965099c2a668babccab6718f461c41e46139f11f5c95f24bee8bea16
6911baa01a31efb2c1457d59c16d2d3ac509748d787b6790e19c70b573d4b7b8
b2ffeb59c804b4ebcfe5f80754d4b77533ace0aed1aab2dc360b6fd4ccdf041c
4bce84d45cb1c1a63ef738924c27a5c0904961307dbe305cd470c92208d283ff

SH256 hash:

8d26523d1f9666dfba6e35320172df143d157a4b3f69d56fc383171257ad2c80

MD5 hash:

ab0419ed360d445a6ac977fef081c91c

SHA1 hash:

e4f7a8c0bf7dedcabfacebf5a59dec7817dd45a2

Link:

https://www.unpac.me/results/7532f618-4236-46d0-9952-b3e3df6c3dc0/

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_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:	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/20821/

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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