MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40d9a35f5447c114156de80c7b633907db8c7e26f04388f42c3b76b4183ab0d8. 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: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	40d9a35f5447c114156de80c7b633907db8c7e26f04388f42c3b76b4183ab0d8
SHA3-384 hash:	109679dda8e5e3565b1728e3abf80293dcd39b88f8862c1171121a5d20f3da74b6b264d5219fe50b34d20306948d15d4
SHA1 hash:	f53f2cc52a057a418877c172cc77cf41c578fb75
MD5 hash:	318a2b68f14b02afcbc5a2a937c92b6f
humanhash:	oklahoma-robert-saturn-november
File name:	INQUIRY-ORDER34545-pdf.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	1'986'440 bytes
First seen:	2020-10-21 08:47:52 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	6144:NrKBDN7ExsXCf6NDfC4aipdeMViOLiEpT:27+xf6NDfzVik91
TLSH	B1950B3CAED52237D6BAD6BAC9F509CBF951B54335126C0E90DB03864A13B977EC201E
Reporter	abuse_ch
Tags:	exe MassLogger

Code Signing Certificate

Organisation:	GlobalSign Timestamping CA - G2
Issuer:	GlobalSign Root CA
Algorithm:	sha1WithRSAEncryption
Valid from:	Apr 13 10:00:00 2011 GMT
Valid to:	Jan 28 12:00:00 2028 GMT
Serial number:	0400000000012F4EE152D7
Intelligence:	12 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	C977923C771E1A66C925A2B6F501732E678DC9887AFE6BFAAC039D1D9A71F0EC
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

abuse_ch

Malspam distributing MassLogger:

HELO: mail.emart.my
Sending IP: 103.27.74.197
From: Maria George <maria.george@emart.my>
Subject: URGENT Quote! RFQ
Attachment: INQUIRY-ORDER34545-pdf.bz (contains "INQUIRY-ORDER34545-pdf.exe")

MassLogger SMTP exfil server:
mail.dongsin.com.my:587

MassLogger SMTP exfil email address:
ani@dongsin.com.my

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/73905/

Detection(s):

SecuriteInfo.com.Artemis318A2B68F14B.29068.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

DNS request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Creating a window

Launching a process

Reading critical registry keys

Setting a global event handler for the keyboard

Result

Threat name:

MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/505439

Signature

.NET source code contains very large strings

Adds a directory exclusion to Windows Defender

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected Costura Assembly Loader

Yara detected MassLogger RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/40d9a35f5447c114156de80c7b633907db8c7e26f04388f42c3b76b4183ab0d8/

Threat name:

ByteCode-MSIL.Trojan.Variadic

Status:

Malicious

First seen:

2020-10-21 08:19:41 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=idm2gx2ui7arifln5aghwyzza7nyy7rg6bbyr5bmhn3ligb2wdma._file

Result

Malware family:

masslogger

Score:

10/10

Tags:

spyware stealer family:masslogger

Link:

https://tria.ge/reports/201021-w1cgcbnpne/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Looks up external IP address via web service

Checks computer location settings

Reads user/profile data of web browsers

MassLogger

MassLogger Main Payload

Unpacked files

SH256 hash:

40d9a35f5447c114156de80c7b633907db8c7e26f04388f42c3b76b4183ab0d8

MD5 hash:

318a2b68f14b02afcbc5a2a937c92b6f

SHA1 hash:

f53f2cc52a057a418877c172cc77cf41c578fb75

Detections:

win_masslogger_w0

Link:

https://www.unpac.me/results/ee6d6c28-c775-4929-ac9e-c11cc5299fc6/

Please note that we are no longer able to provide a coverage score for Virus Total.

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.