MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ba094f9ee7f050b817b94daad2e9b8334ecf138d474d54c993b2c3737c3eb34. 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 4 File information Comments

SHA256 hash: 3ba094f9ee7f050b817b94daad2e9b8334ecf138d474d54c993b2c3737c3eb34
SHA3-384 hash: 3231d377242f85773d186d16db1ab779005b5dcd2b8042cc0dc65e12207f86b24f3d2a4de15c892e6629c7aa06d317dc
SHA1 hash: 600497bc6ca66ae7d5de3af9088584009e181ac4
MD5 hash: 4cd69adeff9ddc851bc67a24b2b75c52
humanhash: jersey-dakota-cola-montana
File name:4cd69adeff9ddc851bc67a24b2b75c52.exe
Download: download sample
Signature MassLogger
File size:774'144 bytes
First seen:2020-11-17 07:19:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:c3Aw+ZQPDj5mBr6mLb2qARG7BLBwucMVHOjyl5U:Q+ZQPfwR32nGFCu/T
Threatray 26 similar samples on MalwareBazaar
TLSH BBF4BF1BBB4A8BB0D5B173FB02AAFA59A3D1F4C712508BC6124AF81175CB6D56E0D30C
Reporter abuse_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
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: 318620 Sample: fw314FjnwM.exe Startdate: 17/11/2020 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 10 fw314FjnwM.exe 4 2->10         started        14 chrome.exe.exe 3 2->14         started        process3 file4 39 C:\Users\user\AppData\...\fw314FjnwM.exe.log, ASCII 10->39 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->59 16 cmd.exe 1 10->16         started        18 cmd.exe 2 10->18         started        signatures5 process6 file7 22 chrome.exe.exe 4 16->22         started        25 conhost.exe 16->25         started        37 C:\ProgramData\Microsoft\...\chrome.exe.exe, PE32 18->37 dropped 55 Drops PE files to the startup folder 18->55 27 conhost.exe 18->27         started        signatures8 process9 signatures10 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->57 29 chrome.exe.exe 15 2 22->29         started        process11 dnsIp12 41 elb097307-934924932.us-east-1.elb.amazonaws.com 54.243.161.145, 49719, 80 AMAZON-AESUS United States 29->41 43 192.168.2.1 unknown unknown 29->43 45 2 other IPs or domains 29->45 61 Tries to steal Mail credentials (via file access) 29->61 63 Tries to harvest and steal browser information (history, passwords, etc) 29->63 65 Adds a directory exclusion to Windows Defender 29->65 33 powershell.exe 26 29->33         started        signatures13 process14 process15 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-11-16 14:32:41 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
SH256 hash:
f9c341679423a3ac010b7da292ab6d1ef0ae7e995cd085ada95e1384ba3af38c
MD5 hash:
b1c72a8e99542c64507470535686ddd9
SHA1 hash:
fe3bec4b6e2b7091db68705feb59090c24c8b6ed
SH256 hash:
3ba094f9ee7f050b817b94daad2e9b8334ecf138d474d54c993b2c3737c3eb34
MD5 hash:
4cd69adeff9ddc851bc67a24b2b75c52
SHA1 hash:
600497bc6ca66ae7d5de3af9088584009e181ac4
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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 3ba094f9ee7f050b817b94daad2e9b8334ecf138d474d54c993b2c3737c3eb34

(this sample)

  
Delivery method
Distributed via web download

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