MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59dd99ee3cd55d10de5aeca35b0f1c7f4288970d9ccd8ff624e049aca3cea5f1. 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 5 File information Comments

SHA256 hash: 59dd99ee3cd55d10de5aeca35b0f1c7f4288970d9ccd8ff624e049aca3cea5f1
SHA3-384 hash: 451af0f919ce23d723fc30e248e76e2befe11cbdc5e3c7788439cd2f82e82d31ce43f6eddf6652b70636cc83c7664070
SHA1 hash: 9b2bd8ff4b5e07f5fb1f2acb2c394c1369a6168a
MD5 hash: 09be626e58c5f094a2d97c8ee5ce51af
humanhash: grey-yankee-leopard-blue
File name:09be626e58c5f094a2d97c8ee5ce51af.exe
Download: download sample
Signature MassLogger
File size:2'434'048 bytes
First seen:2020-10-26 15:58:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kKiEllN4/ypsLlj+DmmrrTBYjcKEfQUqQtqjmRWiOYDbB/syTyZjswM67u403EnF:
Threatray 632 similar samples on MalwareBazaar
TLSH B5B56A3D6D8825A35177F276A4F90687FEA8618673790C4F02C32B486D4AF163E9734E
Reporter abuse_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305356 Sample: pI8xxdSDHt.exe Startdate: 26/10/2020 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Antivirus detection for dropped file 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 10 other signatures 2->53 7 pI8xxdSDHt.exe 1 4 2->7         started        11 vlc.exe 2->11         started        13 vlc.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->27 dropped 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->55 57 Injects a PE file into a foreign processes 7->57 15 pI8xxdSDHt.exe 15 6 7->15         started        19 pI8xxdSDHt.exe 7->19         started        21 vlc.exe 6 11->21         started        23 vlc.exe 14 4 13->23         started        signatures5 process6 dnsIp7 29 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.66.103, 49736, 80 AMAZON-AESUS United States 15->29 37 2 other IPs or domains 15->37 43 Tries to steal Mail credentials (via file access) 15->43 31 50.17.193.91, 49739, 80 AMAZON-AESUS United States 21->31 39 2 other IPs or domains 21->39 45 Tries to harvest and steal browser information (history, passwords, etc) 21->45 33 23.21.252.4, 49738, 80 AMAZON-AESUS United States 23->33 35 192.168.2.1 unknown unknown 23->35 41 2 other IPs or domains 23->41 25 WerFault.exe 23->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2020-10-26 01:27:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger persistence
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
MassLogger log file
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.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MassLogger
Author:kevoreilly
Description:MassLogger
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:win_masslogger_w0
Author:govcert_ch

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

MassLogger

Executable exe 59dd99ee3cd55d10de5aeca35b0f1c7f4288970d9ccd8ff624e049aca3cea5f1

(this sample)

  
Delivery method
Distributed via web download

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