MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c8728146976e30a09321d1e158aeeb46908c54fa8614ccef7fbc9761956eca4. 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: 8

Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash:	4c8728146976e30a09321d1e158aeeb46908c54fa8614ccef7fbc9761956eca4
SHA3-384 hash:	985e4f87a587603446766abf8064b2bf2459f0aad6a0039f263770d71930aa5a718722cc2ea9bc839ff147059b353981
SHA1 hash:	09bf36d5e47f4088c53f49328ccfb09a09d55aa8
MD5 hash:	83ec38668ed616414abf3c6e9b423acc
humanhash:	alabama-yellow-nuts-purple
File name:	Bank details,pdf.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	1'135'616 bytes
First seen:	2020-07-29 06:43:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep	24576:5fd8z4byilBdlGX7891Jq+93RtAp7vV84qdoOSLjx:5f8IN1QQTJq+93RtAlkmx
Threatray	2'601 similar samples on MalwareBazaar
TLSH	2535D066B3E1483FD1671E389C1B73649B3ABE102E79594A2FEC1C4C9F396813426397
Reporter	abuse_ch
Tags:	exe MassLogger

abuse_ch

Malspam distributing MassLogger:

HELO: ht-connect.de
Sending IP: 185.118.165.225
From: info@ht-connect.de
Subject: RE:PAYMENT
Attachment: Bank details,pdf.r00 (contains "Bank details,pdf.exe")

MassLogger SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Detection(s):

SecuriteInfo.com.Trojan.PWS.Stealer.19347.10936.15784.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Reading Telegram data

Creating a file

Reading critical registry keys

Creating a file in the %temp% directory

Moving a file to the %temp% directory

Deleting a recently created file

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/401356

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to detect sleep reduction / modifications

Found malware configuration

Machine Learning detection for sample

Maps a DLL or memory area into another process

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 steal Mail credentials (via file access)

Yara detected AntiVM_3

Yara detected MassLogger RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4c8728146976e30a09321d1e158aeeb46908c54fa8614ccef7fbc9761956eca4/

Threat name:

Win32.Trojan.FormBook

Status:

Malicious

First seen:

2020-07-29 06:45:06 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jsdsqfdjo3rqucjsdupblcxowruqrrkpvbquztxx7pexmgkw5ssa._file

Verdict:

malicious

Label(s):

hawkeyekeylogger

MassLogger

1dfccb58237c909d29dc601aea9822b34c5c3cef803c755d9c49b81c7061a4c1

MassLogger

4936f703c3766d5968297c3e682fc5be8a3af59fa6557502b5e29af7a4f8c925

MassLogger

636ccfc9b0b3e9336e0eb35e7a795097fa5a7908799a738142af28c08a631285

MassLogger

7926de68f0148fa153c0419a0f5ef355f14f705ced4485fea5ce745b3b6c29b8

MassLogger

8e1f5e94e0e8ea6f82b75d5b21f3964b77df3810c65a875c1ddfcaef53c5e10f

MassLogger

c440a72dafbe500ae677f83d99ab1b342ef6393b2ee2ae5f55cfd95b1218622d

MassLogger

d77ac7f34322c49cab964e1899d048f0a8d93b958ccc1d0942380529eb41fe18

MassLogger

e27026fb1bd7a7e0f88156f04e0186fb4e9f395cb57d260e7a0517838a09b32a

MassLogger

f255241a0343f23d9e0b2fd5a3e81be32ac570b70404ff91b01536c8c9b055b3

MassLogger

+ 2'591 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

ransomware upx spyware stealer family:masslogger

Link:

https://tria.ge/reports/200729-j2ksfpw3ta/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads user/profile data of web browsers

UPX packed file

MassLogger log file

MassLogger

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/4c8728146976e30a09321d1e158aeeb46908c54fa8614ccef7fbc9761956eca4

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.