MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78a59829f0dd9b3ec88a68096284de67dd8806d3690d11f017f7b2893a98354d. 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: 78a59829f0dd9b3ec88a68096284de67dd8806d3690d11f017f7b2893a98354d
SHA3-384 hash: 519d8a72155e6294519e153cd2658e54d47c9deea463f24fc85b7f8041499a403a0ff2a9012cb16c3ea00f5bba847689
SHA1 hash: b6f1010ad92335e4425cb8e8fe9e2b00ecbb1c16
MD5 hash: 55c05cbf3e1acf151f1cb5d336964ecd
humanhash: two-london-angel-alabama
File name:LEromjGN7YzQ9n9.exe
Download: download sample
Signature MassLogger
File size:971'264 bytes
First seen:2020-10-27 14:30:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:KURArEWBdGSe1SPaD7gkrKaCWlwzmZf9Hvit+dgCqqoB:NRArE6dGBUaDfWxmwzmZlPiUdgLqo
Threatray 408 similar samples on MalwareBazaar
TLSH 5925F02177985BA9E1BEA3757150410047F8F86AE33ADB4D3DA840DD2E65F82C3A3B17
Reporter abuse_ch
Tags:exe GarantiBBVA geo MassLogger TUR


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: m1mkyc5j.ni.net.tr
Sending IP: 89.252.168.58
From: Garanti BBVA <garanti@garantibbva.com.tr>
Reply-To: noreply <mintchin1@gmail.com>
Subject: Günlük Hesap Hareketleri Bilgilendirmesi
Attachment: Hesap Hareketleri.rar (contains "LEromjGN7YzQ9n9.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
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
.NET source code references suspicious native API functions
Deletes itself after installation
Injects a PE file into a foreign processes
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: 306019 Sample: LEromjGN7YzQ9n9.exe Startdate: 27/10/2020 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 LEromjGN7YzQ9n9.exe 7 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\VrySUd.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\tmp35C2.tmp, XML 8->27 dropped 39 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->39 41 Injects a PE file into a foreign processes 8->41 12 LEromjGN7YzQ9n9.exe 2 8->12         started        14 schtasks.exe 1 8->14         started        16 LEromjGN7YzQ9n9.exe 8->16         started        signatures5 process6 process7 18 powershell.exe 17 12->18         started        21 conhost.exe 14->21         started        signatures8 37 Deletes itself after installation 18->37 23 conhost.exe 18->23         started        process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-27 12:34:27 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger spyware stealer
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 78a59829f0dd9b3ec88a68096284de67dd8806d3690d11f017f7b2893a98354d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments