MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35b9ef9216cb6d917ce85fc3954647362b1053bab646e728981a2c234afe5018. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 35b9ef9216cb6d917ce85fc3954647362b1053bab646e728981a2c234afe5018
SHA3-384 hash: d733883ee1932f439db9ba01f67cfadfb795b3921eb28422bad66e81086ef1c8a369578bc1a96d68bb2437f449051d45
SHA1 hash: e1be91c42780912a79a71bc6a4a053474243c1e8
MD5 hash: 2ed2a7668db5e312361b95601e1d9022
humanhash: spaghetti-oxygen-victor-kilo
File name:Purchase Order.exe
Download: download sample
Signature MassLogger
File size:721'920 bytes
First seen:2020-10-16 10:30:02 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 12288:93prl6Ne2BymXGTovPy+rbLLi0zrCIfifq89pkfQXmkAH6Aregs470DscG1:9zqe20mBvVbHlrCIDTf6y1
Threatray 337 similar samples on MalwareBazaar
TLSH F6E402C9B20032EEC807C432DD546E39AF15397A432B4313B16735AEED6D6978F219B2
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
smtp.globalservicesonline.us:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Launching a process
Creating a file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
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
PE file contains section with special chars
PE file has nameless sections
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 299149 Sample: Purchase Order.exe Startdate: 16/10/2020 Architecture: WINDOWS Score: 100 60 cdn.onenote.net 2->60 76 Multi AV Scanner detection for dropped file 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Detected unpacking (changes PE section rights) 2->80 82 12 other signatures 2->82 11 Purchase Order.exe 15 6 2->11         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 11->54 dropped 56 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 11->56 dropped 58 C:\Users\user\...\Purchase Order.exe.log, ASCII 11->58 dropped 84 Creates an undocumented autostart registry key 11->84 86 Adds a directory exclusion to Windows Defender 11->86 88 Injects a PE file into a foreign processes 11->88 15 Purchase Order.exe 7 11->15         started        20 powershell.exe 25 11->20         started        signatures6 process7 dnsIp8 68 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49738, 80 AMAZON-AESUS United States 15->68 70 nagano-19599.herokussl.com 15->70 72 api.ipify.org 15->72 52 C:\Users\user\AppData\Local\...52ew Order.exe, PE32 15->52 dropped 74 Adds a directory exclusion to Windows Defender 15->74 22 cmd.exe 15->22         started        24 cmd.exe 15->24         started        26 powershell.exe 24 15->26         started        28 conhost.exe 20->28         started        file9 signatures10 process11 process12 30 New Order.exe 22->30         started        33 conhost.exe 22->33         started        35 timeout.exe 22->35         started        37 conhost.exe 24->37         started        39 schtasks.exe 24->39         started        41 conhost.exe 26->41         started        signatures13 90 Adds a directory exclusion to Windows Defender 30->90 92 Injects a PE file into a foreign processes 30->92 43 New Order.exe 30->43         started        46 powershell.exe 30->46         started        48 New Order.exe 30->48         started        process14 dnsIp15 62 54.227.255.202, 49746, 80 AMAZON-AESUS United States 43->62 64 nagano-19599.herokussl.com 43->64 66 2 other IPs or domains 43->66 50 conhost.exe 46->50         started        process16
Threat name:
Win32.Trojan.MassLogger
Status:
Malicious
First seen:
2020-10-15 19:16:48 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
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
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
35b9ef9216cb6d917ce85fc3954647362b1053bab646e728981a2c234afe5018
MD5 hash:
2ed2a7668db5e312361b95601e1d9022
SHA1 hash:
e1be91c42780912a79a71bc6a4a053474243c1e8
Detections:
win_masslogger_w0
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Malspam

MassLogger

Executable exe 35b9ef9216cb6d917ce85fc3954647362b1053bab646e728981a2c234afe5018

(this sample)

  
Delivery method
Distributed via e-mail attachment

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