MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04. 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 16 File information Comments

SHA256 hash:	42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04
SHA3-384 hash:	f773c4293a400ce6d7b32086700f07f0a676e9b60155fa2de0a20e1783f681ffbbaa775b21a95b6e0880fbf15c674bc8
SHA1 hash:	4a493d8800c12d7f5209e38aab31e15c8e9ee33d
MD5 hash:	77f4a0e06839c69623544b37f2653696
humanhash:	michigan-robert-early-river
File name:	BUSDGH202412201.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	841'728 bytes
First seen:	2025-03-04 07:45:39 UTC
Last seen:	2025-03-04 08:19:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'619 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:cTecEKELukFC+0rhOWjUjKHREJ72wMwyq8ytoZzrgn:ciYUukJSOhj5pHGyAE
Threatray	788 similar samples on MalwareBazaar
TLSH	T13605CE66D5948642ED681BF54036E839137B3DE9B834E60D9FCD7CE37AB3A430920A47
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	0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter	threatcat_ch
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

431

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

BUSDGH202412201.exe

Verdict:

Malicious activity

Analysis date:

2025-03-04 07:48:01 UTC

Tags:

evasion snake keylogger stealer ims-api generic

Link:

https://app.any.run/tasks/618b9f93-84e4-450d-8234-3f1b88b7bc8f

Note:

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

Detection(s):

SecuriteInfo.com.Win32.CrypterX-gen.27624.27567.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c6b0c4c668b65489bee229

Tags:

virus shell msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

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

Searching for the window

Creating a window

Сreating synchronization primitives

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67c6afc33c5f644bd941d488/reports/d67cf7b1-3275-495d-93cf-ffa744e9a149/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04

Result

Verdict:

SUSPICIOUS

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/355e35ab-56ef-4059-96b8-6efd2e630879

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1628875

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

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

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 schtasks.exe or at.exe to add and modify task schedules

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/42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04/

Threat name:

ByteCode-MSIL.Trojan.CrypterX

Status:

Malicious

First seen:

2025-03-04 07:35:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ik3ofiph7kwy4wpf55lofadlw3x35wchawg27xybifv6usvktqca._file

Verdict:

malicious

Label(s):

novastealer

loader_037

MassLogger

2305e7ed7abed240fc572c817b6392c81709f9013ebde8ab7fc745c0cb68825c

MassLogger

2d2770b3aaa2c319bc03e599a8212ef031369914cdf5f7b32422f6e177aff916

MassLogger

49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa

MassLogger

50282203a7b1158cff82796b1fa5a7725abd91e2d85bd68ead4c2e1e910b46b2

MassLogger

b96b39428f0eeea593f2b68faa42e478b315b4e80f937662f5520e98a1ba0f0c

MassLogger

error

MassLogger

+ 778 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

8/10

Tags:

collection discovery execution spyware stealer

Link:

https://tria.ge/reports/250304-jl2ncatzfx/

Behaviour

Scheduled Task/Job: Scheduled Task

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

Verdict:

Malicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/ca8822b4-de2b-41b1-9ed1-d1b05afb394e

Unpacked files

SH256 hash:

42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04

MD5 hash:

77f4a0e06839c69623544b37f2653696

SHA1 hash:

4a493d8800c12d7f5209e38aab31e15c8e9ee33d

Link:

https://www.unpac.me/results/e2482cd0-b3ac-4ad8-8752-503783916c94/

SH256 hash:

6e1b4c3c266ac15e7201e3d1c96a92d93f9256d095a88b47ad6f1670b0c0b2c2

MD5 hash:

b13f5c3384d9f3ead232fc50365bdb28

SHA1 hash:

0e4769815cc13ca0a4c8f735ae926ce3f95a23a8

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/e2482cd0-b3ac-4ad8-8752-503783916c94/

SH256 hash:

ddc2af882687b5330c2596fb73841b5074d927cc910dfb6cc4d0ae9b74f0b011

MD5 hash:

bd6451a5363029c76e729ed80add0bfe

SHA1 hash:

2dc017b9bd19239f18760636e8c6a7ddeac8e008

Link:

https://www.unpac.me/results/e2482cd0-b3ac-4ad8-8752-503783916c94/

SH256 hash:

45642ea9061718d937c727d07c3549d11cdc7dc439f6e28289d7d03955398b99

MD5 hash:

653af763664d41a75d7c804d1888f99e

SHA1 hash:

32750e089ca9e3498f04b031f692aa8d52eca7bc

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/e2482cd0-b3ac-4ad8-8752-503783916c94/

Parent samples :

547f1a4190de76e64b30bbf7af297dd27726fb938027fd19b65db5e6d74e23cd
776e675ee48e029e417d5ed22ef53ccb5225660871d2152c4f4dc786eff91e62
778f9aa3775f01e8be291052165e046a6344d925f5014d2ebbebd6e46148ae1b
91a04734fb1bfa93391d961ff94dfdfffc3021d6cf56cb31f9d696aa3251c6e2
0a1eadcceee3f37f895ee23bb8458140090cf58b411e57ec262dc28e76076de5
fad0d7b591575802da0e35b68ece5c3e47aff15c4e4d21f7c1014cbd58ee4b70
aba0672f82dcf1487d5b7b5647291ee0974e962018425dbc48ee10438fd6cf07
3cae6386cad4c42b5769266a2672742064999f61ce2ecc4704967a6e9c15658b
2d2770b3aaa2c319bc03e599a8212ef031369914cdf5f7b32422f6e177aff916
42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04

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/42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04

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:	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.

Malspam

MassLogger

exe 42b6e2a1e7faad8e59e5ef56e2806bb6efbed847058dafdf01416bea4aaa9c04

(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 (HIGH_ENTROPY_VA)	high

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