MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b5fe8a14f29dd83c52785eb5d22937f27b5311f4eca46d23983e5fe2185e5c3. 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 4 File information Comments

SHA256 hash: 9b5fe8a14f29dd83c52785eb5d22937f27b5311f4eca46d23983e5fe2185e5c3
SHA3-384 hash: 236b6fad5a6f14ca75d005df637f48b1db0b33145b1419fe1b49204b8db8435cfb5100ab777d721825da3a8539c6636a
SHA1 hash: 4754d1b6e91ac3d5cfc968d3c45d972e137505dc
MD5 hash: 0987d63c6252066e0c32c5ccbf6bff19
humanhash: quebec-carbon-paris-cat
File name:0987d63c6252066e0c32c5ccbf6bff19.exe
Download: download sample
Signature MassLogger
File size:771'072 bytes
First seen:2020-11-17 07:27:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:K3Aw+Vg2NXTn8M6wZchzE5EGU1vw9Un+1E:W+Vg2BTllOBOEZDn+1
Threatray 28 similar samples on MalwareBazaar
TLSH 06F4CF2377478B91CB61B1BB07A4EA592395F5C777508B16374AC885B9E32C63E0FB08
Reporter abuse_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses cmd line tools excessively to alter registry or file data
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 318632 Sample: di0xAdpLSs.exe Startdate: 17/11/2020 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 6 other signatures 2->71 9 di0xAdpLSs.exe 4 2->9         started        process3 file4 53 C:\Users\user\AppData\...\di0xAdpLSs.exe.log, ASCII 9->53 dropped 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->81 13 cmd.exe 1 9->13         started        15 cmd.exe 2 9->15         started        signatures5 process6 file7 19 chrome.exe.exe 3 13->19         started        22 conhost.exe 13->22         started        55 C:\ProgramData\Microsoft\...\chrome.exe.exe, PE32 15->55 dropped 63 Drops PE files to the startup folder 15->63 24 conhost.exe 15->24         started        signatures8 process9 signatures10 73 Uses cmd line tools excessively to alter registry or file data 19->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->75 77 Injects a PE file into a foreign processes 19->77 26 chrome.exe.exe 15 2 19->26         started        30 cmd.exe 1 19->30         started        32 cmd.exe 1 19->32         started        34 6 other processes 19->34 process11 dnsIp12 57 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49722, 80 AMAZON-AESUS United States 26->57 59 192.168.2.1 unknown unknown 26->59 61 2 other IPs or domains 26->61 83 Tries to steal Mail credentials (via file access) 26->83 85 Tries to harvest and steal browser information (history, passwords, etc) 26->85 87 Uses cmd line tools excessively to alter registry or file data 30->87 36 reg.exe 1 1 30->36         started        39 conhost.exe 30->39         started        41 conhost.exe 32->41         started        43 reg.exe 32->43         started        45 conhost.exe 34->45         started        47 reg.exe 34->47         started        49 conhost.exe 34->49         started        51 9 other processes 34->51 signatures13 process14 signatures15 79 Creates an undocumented autostart registry key 36->79
Threat name:
Win32.Ransomware.TeslaCrypt
Status:
Suspicious
First seen:
2020-11-17 00:36:02 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
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
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
9b5fe8a14f29dd83c52785eb5d22937f27b5311f4eca46d23983e5fe2185e5c3
MD5 hash:
0987d63c6252066e0c32c5ccbf6bff19
SHA1 hash:
4754d1b6e91ac3d5cfc968d3c45d972e137505dc
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
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:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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.

Web download

MassLogger

Executable exe 9b5fe8a14f29dd83c52785eb5d22937f27b5311f4eca46d23983e5fe2185e5c3

(this sample)

  
Delivery method
Distributed via web download

Comments