MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac42965215afb055c4135cc87288be3f2aaff848972634fbaed4c365e112af43. 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 File information Comments

SHA256 hash: ac42965215afb055c4135cc87288be3f2aaff848972634fbaed4c365e112af43
SHA3-384 hash: 71c1c1bf3b71af6a90d63b15c26133ae2d544aee18693765131fe96fc0f2a438835d77d3826cd31b321e3e5d52e416a4
SHA1 hash: bca0140b2bac77017b47676845ca97144c230ffa
MD5 hash: 1ba7ee7b1f0e03c2b63e828b4eb1158e
humanhash: lake-east-football-seventeen
File name:Dekont.exe
Download: download sample
Signature MassLogger
File size:1'067'008 bytes
First seen:2020-08-04 13:38:50 UTC
Last seen:2020-08-04 15:22:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:G7ZmnV+qdQtnQYmkhleuFq5PZ1yTGpUaOf:4YQqmQghHFq5h1y6p7O
Threatray 564 similar samples on MalwareBazaar
TLSH 0935AE3A7A27CAA5D68F47BAC0D3AF40D3765547602EF60F288903C2D54BBD9064A787
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: rdns0.fineceramic.cyou
Sending IP: 104.168.158.234
From: Halkbank Mobil Şubesi <block59@fineceramic.cyou>
Subject: 04.8.2020 TARIHLI HESABA EFT DEKONTU
Attachment: Dekont 1.r00 (contains "Dekont.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Enabling autorun by creating a file
Deleting of the original file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Creates an undocumented autostart registry key
Deletes itself after installation
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257054 Sample: Dekont.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 72 31 Yara detected MassLogger RAT 2->31 33 Machine Learning detection for sample 2->33 35 Machine Learning detection for dropped file 2->35 37 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->37 8 Dekont.exe 6 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 8->25 dropped 27 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\...\Dekont.exe.log, ASCII 8->29 dropped 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->41 43 Creates an undocumented autostart registry key 8->43 12 Dekont.exe 2 8->12         started        14 powershell.exe 25 8->14         started        signatures5 process6 process7 16 cmd.exe 1 12->16         started        18 conhost.exe 14->18         started        process8 20 powershell.exe 16 16->20         started        23 conhost.exe 16->23         started        signatures9 39 Deletes itself after installation 20->39
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-04 13:40:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Looks up external IP address via web service
Deletes itself
Reads user/profile data of web browsers
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

MassLogger

Executable exe ac42965215afb055c4135cc87288be3f2aaff848972634fbaed4c365e112af43

(this sample)

  
Delivery method
Distributed via e-mail attachment

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