MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8105cabf969ea3460541268aef53c13f8c8b12a7e99f0e6e74fe86cf2a86b8f3. 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: 8105cabf969ea3460541268aef53c13f8c8b12a7e99f0e6e74fe86cf2a86b8f3
SHA3-384 hash: f23b720018a568e2c103a26e45f782836d5560c68fb1dddb13347585488768f01aaeff303353e7bfb3f002c1de5e2e5e
SHA1 hash: 05ca8a5505fa71699e6f3d65624aaff4c185319f
MD5 hash: f526fb10d1ec6bfe77999af2c39022f8
humanhash: burger-oxygen-one-ceiling
File name:f526fb10d1ec6bfe77999af2c39022f8.exe
Download: download sample
Signature MassLogger
File size:952'320 bytes
First seen:2020-07-28 13:17:51 UTC
Last seen:2020-07-28 14:07:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 20e6d5abed83baa72fa27d4f775f9f3c (7 x AgentTesla, 5 x MassLogger, 1 x QuasarRAT)
ssdeep 12288:lH8TTCvLmK25X5CK7jQMuG6sh8ktgNYoVNXAKZE7wG+ZuKxLsjz5WakLEefT1vuD:NcojK7LuBl6gNYoVVC+ZPuLmYVeGvIm
Threatray 2'149 similar samples on MalwareBazaar
TLSH 1E15D066B2E04833DD672A7C9F3BD7689835BE003A2959466FF41C4C5F3938334692A7
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Reading Telegram data
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252535 Sample: 35h63nKr8k.exe Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 42 g.msn.com 2->42 44 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->44 64 Found malware configuration 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected MassLogger RAT 2->68 70 5 other signatures 2->70 9 35h63nKr8k.exe 2->9         started        12 wscript.exe 1 2->12         started        14 wuapihost.exe 2->14         started        signatures3 process4 signatures5 80 Contains functionality to inject code into remote processes 9->80 82 Writes to foreign memory regions 9->82 84 Allocates memory in foreign processes 9->84 86 2 other signatures 9->86 16 notepad.exe 5 9->16         started        20 dndjsfmsdds.exe 12->20         started        process6 file7 36 C:\Users\user\AppData\...\dndjsfmsdds.exe, PE32 16->36 dropped 38 C:\Users\...\dndjsfmsdds.exe:Zone.Identifier, ASCII 16->38 dropped 40 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 16->40 dropped 58 Creates files in alternative data streams (ADS) 16->58 60 Drops VBS files to the startup folder 16->60 22 dndjsfmsdds.exe 16->22         started        62 Maps a DLL or memory area into another process 20->62 25 dndjsfmsdds.exe 6 20->25         started        28 dndjsfmsdds.exe 20->28         started        signatures8 process9 dnsIp10 72 Multi AV Scanner detection for dropped file 22->72 74 Detected unpacking (changes PE section rights) 22->74 76 Detected unpacking (creates a PE file in dynamic memory) 22->76 78 5 other signatures 22->78 30 dndjsfmsdds.exe 15 6 22->30         started        34 dndjsfmsdds.exe 22->34         started        46 54.225.195.221, 49729, 80 AMAZON-AESUS United States 25->46 48 nagano-19599.herokussl.com 25->48 50 2 other IPs or domains 25->50 signatures11 process12 dnsIp13 52 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.182.194, 49724, 80 AMAZON-AESUS United States 30->52 54 nagano-19599.herokussl.com 30->54 56 api.ipify.org 30->56 88 Tries to steal Mail credentials (via file access) 30->88 signatures14
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-28 13:19:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
NTFS ADS
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Drops startup file
Executes dropped EXE
UPX packed file
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.

Web download

MassLogger

Executable exe 8105cabf969ea3460541268aef53c13f8c8b12a7e99f0e6e74fe86cf2a86b8f3

(this sample)

  
Delivery method
Distributed via web download

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