MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838. 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 16 File information Comments

SHA256 hash:	f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838
SHA3-384 hash:	7953e38aef5d0fee1802d8c6d7770888cdced237edd1047c6dcf4184271e834e087dfa7ef4ab104517c49b75a52f08b1
SHA1 hash:	29ab2b2aa73e489fefbf56d771795de302438fb1
MD5 hash:	2d26aa211a00bc37e58c6acae0c4df46
humanhash:	robin-lake-spaghetti-lemon
File name:	f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	878'592 bytes
First seen:	2025-03-10 11:19:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:JrT5UqCUfsgddUF+Z+4mNkWKFAohk9FUKgDxAfUOxeYoKessaXEi:Jaquk5FphmFlgDxAJH
Threatray	580 similar samples on MalwareBazaar
TLSH	T18715AED037206B1AED6F1B74D05ADDB592B09556B184FBDE6CCCAB9B38C9301990AF03
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
Reporter	adrian__luca
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

327

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838

Verdict:

Malicious activity

Analysis date:

2025-03-10 12:26:57 UTC

Tags:

evasion snake keylogger netreactor telegram ims-api generic stealer

Link:

https://app.any.run/tasks/d1c2592e-18ed-4d60-a17e-00a34f94e07c

Note:

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

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67ced64e1f777fe306089594

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:

obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67cecaf73c5f644bd94b1661/reports/8b32338f-2371-4b12-ad15-6436c5c41b8e/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/aff7750c-7787-40b3-8588-057e89a3735c

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1633530

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

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/f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838/

Threat name:

ByteCode-MSIL.Trojan.QuasarRAT

Status:

Malicious

First seen:

2025-02-20 04:03:41 UTC

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6yiycsmotqkjf3gpffe4dw656g6ltra252mmjola2zr7cxsnpa4a._file

Verdict:

malicious

Label(s):

novastealer

unc_loader_037

captiveaaloader

MassLogger

9c7a2e9b06bfe9bc9a56105abcbcdb0b59a26071be4debe8e2a5581c832c6e96

MassLogger

9ce56eb86c2bfcfcbca94a27e0632fcfda0660a44c6962c68d1ad02355a1850e

MassLogger

ce00a14a2991483cdce0604f80100ca50e70073c171e053057b20d336a71966e

MassLogger

+ 570 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

collection discovery spyware stealer

Link:

https://tria.ge/reports/250310-nflgdssyax/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious behavior: EnumeratesProcesses

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

Verdict:

Malicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/3437be62-98ad-4799-a384-cdee372c39a5

Unpacked files

SH256 hash:

f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838

MD5 hash:

2d26aa211a00bc37e58c6acae0c4df46

SHA1 hash:

29ab2b2aa73e489fefbf56d771795de302438fb1

Link:

https://www.unpac.me/results/306887ce-af0b-487d-a5b5-b127122fd4cc/

SH256 hash:

42e49d95997df589b0a6446311212a811ff1b4b4b967a88364cd1ba8e7f45cf5

MD5 hash:

472c2c51fe8be8e1c6c0a200d35d195c

SHA1 hash:

060d6e717d801e0bcfa6d373e764cfac9076dcb0

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/306887ce-af0b-487d-a5b5-b127122fd4cc/

Parent samples :

1952bd4cf85d07d155fee0fd9f75b5c5e52af32c20994eb3b248fbd03ffe9fcf
f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838

SH256 hash:

1ebe3c70125aeeba0de2ab5800446b135d92e8d1cd3b3c61a1f8e4c1acdafa5c

MD5 hash:

2ad909cca382f9eaaba3685c7521d198

SHA1 hash:

8a9cc9e4663bbaac937c530252c505d13c5462ee

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/306887ce-af0b-487d-a5b5-b127122fd4cc/

SH256 hash:

906bdab5daaf4b6243caa153602f2c33b47c51eee496a99cbf9836db871f510e

MD5 hash:

475d32137aae9db811b35dbfa9c0102e

SHA1 hash:

f02b76e8f8fa3f2a468ca44ac90bc9e5bf0b02a1

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/306887ce-af0b-487d-a5b5-b127122fd4cc/

Parent samples :

ce00a14a2991483cdce0604f80100ca50e70073c171e053057b20d336a71966e
f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838
e2981af6ab5e2643908ddd54773bcb6235122cf6d1d1a77a876edfea51ee4d63
fe7e5f70d9c424dfd535b567ff1c423dcd6fe33486a645c2392dddb7dd4d184f
aa89fd643fe3a89ca2c68077308288f76e6a2e3d77606276fb37aeedaf933df6
b0722ba8cab45e015347b7c83e880aeab80d25119de8f8e52a723858e2bf0c8a
fd56821d3ec8370b00818b247a24e30c14953744d394ecf4f5463ee2e4cbdcb5

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/f61181498e9c1492eccf2949c1dbddf1bcb9c41aee98c4b960d663f15e4d7838

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_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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