MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa. 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 15 File information Comments

SHA256 hash:	49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa
SHA3-384 hash:	eccfa24af06075bb4ad2b8fb8d2e77dcd9235f6c2c063fdde98ba4579a9ead6eff70ab061c8a8baa8feccfa532b90194
SHA1 hash:	2d255ba9b59cfe60f1835c7dd8d84633526764c6
MD5 hash:	936aa7f52c6620c3d7327505cf67b83b
humanhash:	steak-mountain-louisiana-kentucky
File name:	Remittance Advice.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	790'016 bytes
First seen:	2025-03-03 20:01:25 UTC
Last seen:	2025-03-04 08:48:42 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:BpDpUKbM1e5gVLUDUZKdUKjkuguh/LU1wmR+i:7pCe5YLUwaeiL+wmR
Threatray	4'640 similar samples on MalwareBazaar
TLSH	T114F4A04385C8C05EC77A4DF62463A839639E8F9E7C0F65610BA5FD52BFFB4A2150318A
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	1607014111010001 (8 x MassLogger, 6 x SnakeKeylogger, 2 x AgentTesla)
Reporter	TeamDreier
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

417

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Remittance Advice.exe

Verdict:

Malicious activity

Analysis date:

2025-03-03 20:05:37 UTC

Tags:

evasion snake keylogger stealer

Link:

https://app.any.run/tasks/0f1e4ea8-362f-4712-bdf1-2cb38d5b48bf

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.8065.25959.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c60b90c8d04e92a4bec2cd

Tags:

agenttesla virus micro 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:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed vbnet

Link:

https://www.filescan.io/uploads/67c60ac7e95d0f9029e32a7c/reports/785a4761-6e2d-4099-bf6f-decd69a68d81/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

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

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/eb2fe0ad-364f-4f48-89ee-2359d35d08b1

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1628458

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

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)

Yara detected AntiVM3

Yara detected MassLogger RAT

Yara detected MSIL Logger

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-03-03 15:42:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jhl3mzlikt6vrpe3ayzrxqbcp7uh5xltou4begvajklp3drcu75a._file

Verdict:

malicious

Label(s):

novastealer

loader_037

MassLogger

8d8c12c1b96b60a434c003d013e5bd8e948ea049246912b545fef1d3574819f4

MassLogger

error

MassLogger

f22c4824c8543cfe3b903b6cb4b42a75ea2f4167b6fbdf2d3af25e504d854452

MassLogger

ff1f68239fa2f4d68bce84f56dfb490f573b95c5f347f4acd0c0624c2cae39a2

MassLogger

+ 4'630 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

collection discovery spyware stealer

Link:

https://tria.ge/reports/250303-yr7h4sxvaz/

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

Verdict:

Suspicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/c5845cc4-f1cb-452a-a988-87c5c98b7cf3

Unpacked files

SH256 hash:

49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa

MD5 hash:

936aa7f52c6620c3d7327505cf67b83b

SHA1 hash:

2d255ba9b59cfe60f1835c7dd8d84633526764c6

Link:

https://www.unpac.me/results/a3605bde-cc64-4466-8285-144b47b2bb79/

SH256 hash:

fced4c6c7d3d70c7a2a083d49da876a0b389f5d6cbcdf6d36273317a7c8e869b

MD5 hash:

5429581c7b6a4b8eaf60d70c755a4ea3

SHA1 hash:

62d92f38ce4979b6d752f8896692105856f6b768

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/a3605bde-cc64-4466-8285-144b47b2bb79/

Parent samples :

2382002f38b7558edbfaaa25ab025c7e6985829b544440011e438c7bcd17033f
c987adf88eb49413b48d8740fd342b851b5b8dd1dbc65179143aacd67501ffcd
b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
31b690e19539ad697f7e743c2641d151addb070219aa3ec497963619fba4ad73
49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa
3d2d4932b38d1e1d37482e994eba2c33927a90e9452ee52c06b5049cfa96fb58

SH256 hash:

2bd9f357b058dc47a659bd09bec82ad2bf78f6b9ca44b9b8c3b0657812c3c286

MD5 hash:

4b8e91bd4d4f2a0fdf69e86207cbc2a5

SHA1 hash:

94cf59eb4ceeb4d0437cd97923de9025725c1fe3

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/a3605bde-cc64-4466-8285-144b47b2bb79/

SH256 hash:

daf4f1d48b812a6e017f0f9f45ead57ac066e403f4ac7c0dfecae43d7d7e9b6f

MD5 hash:

c44baa611dd19524e27351a2a57b1fc6

SHA1 hash:

96a412c2d9bca5807f356340c67c146055fbe781

Link:

https://www.unpac.me/results/a3605bde-cc64-4466-8285-144b47b2bb79/

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/49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa

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:	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.

Malspam

MassLogger

exe 49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa

(this sample)

Delivery method

Distributed via e-mail attachment

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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