MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a08d0f514ac2efd07cc045c1b896cf7c6426dd0013ad523a14bbdbce2b25edd. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 5a08d0f514ac2efd07cc045c1b896cf7c6426dd0013ad523a14bbdbce2b25edd
SHA3-384 hash: 898cbeaee499470dc7784f237c0abfe03fe194d8cef3183255e858dc25f7f9770063f34f783c701b152805f84c4029dd
SHA1 hash: 105230ce033771a93e3be121bcbb2b1511ceb008
MD5 hash: a553824d8e07c030ee3d8c8c7ffbde82
humanhash: burger-nevada-white-east
File name:inquiry Nasser Al Falahy.exe
Download: download sample
Signature MassLogger
File size:1'059'328 bytes
First seen:2020-08-17 08:12:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:Q0ok8uJXEVO76Xdp+E+uh0Lb+4kopllG8sXMENGHB:Q7utWdp+E+uh03+4kok8LEa
Threatray 786 similar samples on MalwareBazaar
TLSH A0352353F6F4CA12C13D293AC84AAB5413B9BAC66CA2F21EFDD865F995113C50742EC2
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vsjadoncloud.srv5.com
Sending IP: 101.53.136.250
From: Olusum Makina <praapti.s@universalhunt.com>
Subject: please send your quotation & availability as per our request.
Attachment: inquiry Nasser Al Falahy.zip (contains "inquiry Nasser Al Falahy.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Running batch commands
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268731 Sample: inquiry Nasser Al Falahy.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 34 Sigma detected: Scheduled temp file as task from temp location 2->34 36 Yara detected MassLogger RAT 2->36 38 Yara detected AntiVM_3 2->38 40 8 other signatures 2->40 8 inquiry Nasser Al Falahy.exe 7 2->8         started        process3 file4 26 C:\Users\user\AppData\...26RQOUAsHhOY.exe, PE32 8->26 dropped 28 C:\Users\...28RQOUAsHhOY.exe:Zone.Identifier, ASCII 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmp80A2.tmp, XML 8->30 dropped 32 C:\Users\...\inquiry Nasser Al Falahy.exe.log, ASCII 8->32 dropped 11 inquiry Nasser Al Falahy.exe 3 8->11         started        13 schtasks.exe 1 8->13         started        15 inquiry Nasser Al Falahy.exe 8->15         started        process5 process6 17 cmd.exe 1 11->17         started        19 conhost.exe 13->19         started        process7 21 powershell.exe 17 17->21         started        24 conhost.exe 17->24         started        signatures8 42 Deletes itself after installation 21->42
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-17 03:24:40 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware evasion spyware stealer family:masslogger
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Modifies visibility of file extensions in Explorer
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 5a08d0f514ac2efd07cc045c1b896cf7c6426dd0013ad523a14bbdbce2b25edd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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