MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c. 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:	ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c
SHA3-384 hash:	dad12ee31e1685784e69e4c06f396080626f813af0d37f02f3d8f3c40c4805fd178d737b1f7e7071643e95924ef21194
SHA1 hash:	ad5fb9ed093b7beaae8e33ff1c7b073aa109e84d
MD5 hash:	097d6a27808063958662942e83c925c5
humanhash:	bluebird-colorado-missouri-happy
File name:	ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	546'304 bytes
First seen:	2025-05-09 13:07:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	12288:hXZ+gCRxIlzV9kqyzDVdqO1FbpiRVsqoR/2Ylot:hXlzVvyd1pp2novKt
Threatray	3'395 similar samples on MalwareBazaar
TLSH	T19AC4F115369AEF17C4AB1BF41822D1B517786E8DB822EB079EE63DEF7476B402500387
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 :

321

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c

Verdict:

Malicious activity

Analysis date:

2025-05-09 18:06:30 UTC

Tags:

evasion snake keylogger stealer telegram netreactor ims-api generic

Link:

https://app.any.run/tasks/36e16b8e-3225-49d0-a2cb-c6a0278f537b

Note:

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

Detection(s):

SecuriteInfo.com.BackDoor.AgentTeslaNET.38.23659.29583.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=681dfff0e16384d6a70345ca

Tags:

backdoor virus 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

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

crypt obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/681dfe410b64e174c41fae27/reports/2d14d957-f5bc-42e5-9d64-9b18c625c004/overview

Verdict:

Malicious

Labled as:

Trojan.GenericS

Link:

https://www.hybrid-analysis.com/sample/ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/12810a1b-bd83-4818-8bfb-c178031e712b

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1686420

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

Suricata IDS alerts for network traffic

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 the Telegram API (likely for C&C communication)

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/ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-04-18 12:34:42 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=75g3iojyfkokqlgyratjwg2tumpie4x6sis6jtjo3fwqljb3cvga._file

Verdict:

malicious

Label(s):

unc_loader_037

novastealer

MassLogger

6b4806d8340c94dbe9879d05144f0bd492ce7614bf7827764f9c8f4094c12687

MassLogger

9c7a2e9b06bfe9bc9a56105abcbcdb0b59a26071be4debe8e2a5581c832c6e96

MassLogger

9ce56eb86c2bfcfcbca94a27e0632fcfda0660a44c6962c68d1ad02355a1850e

MassLogger

+ 3'385 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger collection discovery spyware stealer

Link:

https://tria.ge/reports/250509-qddpwaem5v/

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/bot7563203487:AAHhSgz1iFnK1H20SCy9LplVO72JVDjbi_Y/sendMessage?chat_id=6726002655

Verdict:

Suspicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/5ef7eeb3-7828-4236-a459-466868dd79b6

Unpacked files

SH256 hash:

ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c

MD5 hash:

097d6a27808063958662942e83c925c5

SHA1 hash:

ad5fb9ed093b7beaae8e33ff1c7b073aa109e84d

Link:

https://www.unpac.me/results/bc588adc-1cdf-4283-b9a4-340a085ac6f3/

SH256 hash:

13003e4944bf7b3c3411f29ee407d944608ba6b4dc358221ac6cdfe41a4850f6

MD5 hash:

270c8c3478ba5d68f4447b2200baf7b5

SHA1 hash:

34e309fe416a1d03f3173193d9272035ce8f7591

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/bc588adc-1cdf-4283-b9a4-340a085ac6f3/

SH256 hash:

2f0a5c7fb231b0f528fd6bb57119b43de24f95fc2583f279a3fcec0bea8b69e2

MD5 hash:

24c47cb575fcf0a36d9f795a7f0d2ecf

SHA1 hash:

3c18acacc27a47276589f1aaabab4b2fbf0ff7b6

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/bc588adc-1cdf-4283-b9a4-340a085ac6f3/

SH256 hash:

3a6a265dec9b2d90580ae1ac6d2378dd14fa085f67cc0167aacdfcc1af452c76

MD5 hash:

ff4879a30c4cd8b25e4f554302c2edea

SHA1 hash:

c54b171707f597fca666afab844caf11ee4b1a71

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/bc588adc-1cdf-4283-b9a4-340a085ac6f3/

Parent samples :

e1066410bbc74c71ba34b418969d751286c9a1890a1d913eddfc858391bb5b1b
6f4997b2a236ae5d05902e64165d6ab9a95b5055903956a24ee92e8eda908d87
ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c

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/ff4db439382a9ca82cd888269b1b53a31e8272fe9225e4cd2ed96d05a43b154c

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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_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.

No further information available

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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