MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9a12bd3805ccb30888cf55b8145dcbdeb64ecab5cc2be9d1ab831585ee2831b. 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: f9a12bd3805ccb30888cf55b8145dcbdeb64ecab5cc2be9d1ab831585ee2831b
SHA3-384 hash: eac6bc378bd394d396d67d517c425334d311e680bc6148a3f7bd69b48d8f68ab0e2ffd655bcc34bcc4e5d1d9ba2451f5
SHA1 hash: e23ac8b695ecff069e8ea2ce1a0abf0288ea85f0
MD5 hash: 809179e94de6e590ac6f599c32fec82c
humanhash: may-avocado-lake-violet
File name:TbMSB4piP2ovAre.exe
Download: download sample
Signature MassLogger
File size:1'093'632 bytes
First seen:2020-07-17 05:30:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/EUX2k4zUUTlSOqeL1BYvsaJ5eEEka/3QwxYdFmC8APIxCvWU0ebzjSkrHYvlXis:/ESpkY3J5AkIGbmCgAvWA
Threatray 1'373 similar samples on MalwareBazaar
TLSH DF35DFD87910B08EC95E8D764EA5DC709A202C66F7FB811A63C73E8F783D197DA051B2
Reporter JAMESWT_WT
Tags:MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-16 19:14:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
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.

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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:masslogger_gcch
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 f9a12bd3805ccb30888cf55b8145dcbdeb64ecab5cc2be9d1ab831585ee2831b

(this sample)

  
Delivery method
Distributed via web download

Comments