MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecd1ef1a77aef138b3a0ccd5e74c92fa6b770366d4034a152a66e95b649c5282. 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 2 File information Comments

SHA256 hash: ecd1ef1a77aef138b3a0ccd5e74c92fa6b770366d4034a152a66e95b649c5282
SHA3-384 hash: e70772b32ff7b937abcfa5377379a64fed40d8d35b9e89e6d2041acf0f554a1b1ee6e11cab0ab55f12e881ad7057696e
SHA1 hash: f009fe48a814b8fed3f10ba49c8c8d73687430a3
MD5 hash: 60b5369240ce2642f9161fcf38b446a6
humanhash: table-sixteen-washington-summer
File name:Q2020-07-466am.exe
Download: download sample
Signature MassLogger
File size:1'459'200 bytes
First seen:2020-07-28 14:29:02 UTC
Last seen:2020-07-28 15:48:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:DYwutfN7BvQgS+YydV6Zl8Fi7V5ZfUorx/t7goP603sQsg9INs3lDS1VL:DYwutF7Bop3x7V5q+1qX0t9INsV2n
Threatray 562 similar samples on MalwareBazaar
TLSH C4653B3234C24816CD2A2679C5789AC2A6E577463B52CB2DE1EB131B9E0376F7B130D7
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252654 Sample: Q2020-07-466am.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 88 38 mail.privateemail.com 2->38 40 g.msn.com 2->40 42 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->42 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected MassLogger RAT 2->52 54 Sigma detected: Add file from suspicious location to autostart registry 2->54 56 3 other signatures 2->56 8 Q2020-07-466am.exe 7 2->8         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        15 wuapihost.exe 2->15         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\pdfcache.exe, PE32 8->32 dropped 34 C:\Users\user\...\Q2020-07-466am.exe.log, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\InstallUtil.exe, PE32 8->36 dropped 17 cmd.exe 1 8->17         started        19 pdfcache.exe 2 8->19         started        21 pdfcache.exe 3 11->21         started        process6 signatures7 24 reg.exe 1 1 17->24         started        27 conhost.exe 17->27         started        29 InstallUtil.exe 19->29         started        58 Multi AV Scanner detection for dropped file 21->58 process8 dnsIp9 60 Creates an autostart registry key pointing to binary in C:\Windows 24->60 44 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.136.99, 49747, 80 AMAZON-AESUS United States 29->44 46 nagano-19599.herokussl.com 29->46 48 api.ipify.org 29->48 signatures10
Threat name:
ByteCode-MSIL.Ransomware.Blocker
Status:
Malicious
First seen:
2020-07-28 14:27:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware persistence spyware stealer family:masslogger
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger log file
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: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.

  
Delivery method
Other

Comments