MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f. 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 17 File information Comments

SHA256 hash:	bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f
SHA3-384 hash:	8bc9825e22f529bb2811fb97424a4bd3bcd36350763de8a1e6619b961449b3d6c8f30beb72a39d03cd051bae743ad21d
SHA1 hash:	1dacc6119350ee565c67a4062a86a4bd4c9f4486
MD5 hash:	3e0fdd83234718e50534f0babee9e622
humanhash:	kilo-nine-iowa-michigan
File name:	Halkbank 06092025, belge..exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	544'768 bytes
First seen:	2025-06-09 10:00:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:cSly15eKmdxp3DEAEEQHgtciLv30r4wSPfweMA0:pMnLmnpzEVEbtcK/ZwSPIe3
Threatray	3'488 similar samples on MalwareBazaar
TLSH	T134C40205378DD407D0A70AB92A51D27413B8CFCCA50ACA9B4FEA3DEF79E6B102941797
TrID	64.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.3% (.EXE) Win64 Executable (generic) (10522/11/4) 8.8% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2) 5.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	dcfcd4d4b4b4b4f4 (2 x MassLogger, 1 x Amadey, 1 x Loki)
Reporter	abuse_ch
Tags:	exe geo Halkbank MassLogger TUR

Intelligence

File Origin

# of uploads :

# of downloads :

327

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Halkbank 06092025, belge..exe

Verdict:

Malicious activity

Analysis date:

2025-06-09 16:58:01 UTC

Tags:

snake keylogger evasion stealer netreactor

Link:

https://app.any.run/tasks/d19da4f6-4fe5-4d7b-8ed5-d7fd23b4e7be

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/8023/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6846b35a07b5e8c1cfe5d2db

Tags:

agenttesla spawn shell msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

DNS request

Connection attempt

Sending an HTTP GET request

Sending a custom TCP request

Reading critical registry keys

Adding an exclusion to Microsoft Defender

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/46bca56c-be0f-4266-a4a5-51cbb1b8c7d5

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1709627

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Adds a directory exclusion to Windows Defender

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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)

Uses threadpools to delay analysis

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/bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2025-06-09 04:57:12 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=x64x6wihjkczt7h4bdv2cdcwqm6crrdckzfpwm2qgsvczb5ug5xq._file

Verdict:

malicious

Label(s):

unc_loader_037

novastealer

MassLogger

097281445fcbf123697ab8a201a2702012b8d84ad6aac609a56934e87308dc3a

MassLogger

bedb516c0bbfe25e36c26f81d37be534ab096c087fc4e866fb20bf68cf4b9123

MassLogger

c9b5da30a6700f6781b1958adbea63e4553b73cac666baa342974ed00a1f4668

MassLogger

dc89f1981a7cc11ca6074aec4c09e0a1154d31474a0f51a5e5d57153741a00bd

MassLogger

f344de0d137247e297701368c696119f63122fdf8b08c0893eaff7eea50c6fc9

MassLogger

f42f597fbe95023f89a4ea65366f40d8c53321122add06b68826dfb7be7b5a21

MassLogger

+ 3'478 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger collection discovery execution spyware stealer

Link:

https://tria.ge/reports/250609-l14scsxtgs/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

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

MassLogger

Masslogger family

Verdict:

Malicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/17580c2b-69cc-4177-ad3e-46ab0cc68295

Unpacked files

SH256 hash:

bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f

MD5 hash:

3e0fdd83234718e50534f0babee9e622

SHA1 hash:

1dacc6119350ee565c67a4062a86a4bd4c9f4486

Link:

https://www.unpac.me/results/15e1f046-77ca-4661-8fe6-18bf626d8105/

SH256 hash:

cdd1fe8cfbed6d89dc051488449202c0b57e6f7fef2a180d872a368935091071

MD5 hash:

836107b15581f2e890e1e6d491bc7cf6

SHA1 hash:

13625a2bea88d2e07353aa07533370d3378d0f52

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/15e1f046-77ca-4661-8fe6-18bf626d8105/

Parent samples :

bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f
c7829cae4b8ccbec8d4bc08d45c44e785b4c006301cbd28c7344d6aeb26b838f
edccf88c03e06f24f077d14cde639f3b2d52d55e77a574086edee60494bd5760
4ca2b8c72520a76c0b5083d11374bacc54148c8ae7a1aebf6eba5d416486697c
89683b224bb5a144fd44d21c13713a7c8a2108f7869dc6def98f254dff322ece

SH256 hash:

7200ccef4fee4610d541837cbcd9bb4547a6126dd59960442a1de529e1883dec

MD5 hash:

0a434f8c3e5a616df4303604427178ac

SHA1 hash:

4f30cd32bfe6b24727a45c5e9a4bea057951ec9a

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/15e1f046-77ca-4661-8fe6-18bf626d8105/

SH256 hash:

0e4b70632c80b58a440bc9a9ce3fadcad87d775ea7821d1923735c3331dfac71

MD5 hash:

ff942485dceff3615cc6a47c54a54e27

SHA1 hash:

856abb698d0dba69b0c39f1176d62aae7998f059

Detections:

win_404keylogger_g1

win_masslogger_w0

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/15e1f046-77ca-4661-8fe6-18bf626d8105/

Parent samples :

097281445fcbf123697ab8a201a2702012b8d84ad6aac609a56934e87308dc3a
b057f3b6c4dd779d2b81aa2ea4ff4d39d640cc1d49610f33b65ec10fc02c6937
f90220a5bb4386fbacfe38d16426f379f13b5146a0d4ff9730fa3327843c0248
bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f
f6010ddfa4036e66603c9b83b900873d7f544eb2704a3688cf6a6c99e8b7ce5a
019f809d35950f9c45a9f2b33b2fa85b17829481aac37124b28478c9f0faf71c

Malware family:

PrivateLogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/bfb97f59074a/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/bfb97f59074a8599fcfc08eba10c56833c28c462564afb335034aa2c87b4376f

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:	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:	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.

Cape

https://www.capesandbox.com/analysis/8023/

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

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