MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 265c93af05ea076407228de4cdfecc5e4052273610d35021afd1d0e72c81bb92. 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 File information Comments

SHA256 hash: 265c93af05ea076407228de4cdfecc5e4052273610d35021afd1d0e72c81bb92
SHA3-384 hash: 6606870fe1375494f6fa4488c75e5c3d31708c3c3614f8541ded2d91bf58c8e5b62388312ded1a0c1a59b8f564e1c8d2
SHA1 hash: ab0c4e1a631558bbe051623597a17a7ae1e06eaf
MD5 hash: 3ef6cd1abbbd939a16f192f4e0fa9dac
humanhash: skylark-victor-pluto-sodium
File name:dL3yYgDdPRwPbrF.exe
Download: download sample
Signature MassLogger
File size:1'053'696 bytes
First seen:2020-10-26 15:49:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:ayV1XNzinisUi1SaakoahVCZVUt50GysdU:tXAixasBZVUTy
Threatray 608 similar samples on MalwareBazaar
TLSH 4225C04279818950F175723BC2AAC2588BF4AF101993D636F8FF339B1E33B6AB8055D5
Reporter abuse_ch
Tags:Akbank exe geo MassLogger TUR


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: m1mkyc5j.ni.net.tr
Sending IP: 89.252.168.58
From: AKBANK <hizmet@bilgi.akbank.com>
Reply-To: noreply <mintchin1@gmail.com>
Subject: AKBANK E-DEKONT
Attachment: DEKONT.rar (contains "dL3yYgDdPRwPbrF.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the Windows subdirectories
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Deleting of the original 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
.NET source code references suspicious native API functions
Deletes itself after installation
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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: 305309 Sample: dL3yYgDdPRwPbrF.exe Startdate: 26/10/2020 Architecture: WINDOWS Score: 100 29 Multi AV Scanner detection for dropped file 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 10 other signatures 2->35 8 dL3yYgDdPRwPbrF.exe 8 2->8         started        process3 file4 23 C:\Users\user\AppData\...\kVztspJiICgKzu.exe, PE32 8->23 dropped 25 C:\Users\user\AppData\Local\...\tmpB4E5.tmp, XML 8->25 dropped 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->37 12 dL3yYgDdPRwPbrF.exe 2 8->12         started        14 schtasks.exe 1 8->14         started        signatures5 process6 process7 16 powershell.exe 17 12->16         started        19 conhost.exe 14->19         started        signatures8 27 Deletes itself after installation 16->27 21 conhost.exe 16->21         started        process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-26 09:48:27 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger
Behaviour
Creates scheduled task(s)
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
Reads user/profile data of web browsers
Deletes itself
MassLogger
MassLogger Main Payload
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 265c93af05ea076407228de4cdfecc5e4052273610d35021afd1d0e72c81bb92

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments