MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fae7c91e798f1331cc235713cf63f74043a7fb2ce146b6b41fb188d2950babe. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fae7c91e798f1331cc235713cf63f74043a7fb2ce146b6b41fb188d2950babe
SHA3-384 hash: 1496de7aa40dac0ab8ed09f6da5d6d4cbe68f2f3245489ca2136cb17f8ada32b8985cfdcfb0ee20a07ef1238499ba42c
SHA1 hash: cfb3f28649f29b2908a3c6c55bf50115b8dadab8
MD5 hash: f2812041e39e1625a391343829e3074b
humanhash: september-bulldog-cold-gee
File name:WAH.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:910'336 bytes
First seen:2020-07-27 06:42:18 UTC
Last seen:2020-07-27 07:50:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f0b426c30c849bf2a18dc2e1e256eecc (5 x MassLogger, 3 x NanoCore, 1 x AgentTesla)
ssdeep 24576:ZKW6h37jqryc213HBAkzExHMhcZn994vjR:ZQxfuV213BRH9rR
Threatray 1'884 similar samples on MalwareBazaar
TLSH 0815D0F2B2F04437D27326799C1B5768AD3ABE203D2868462BF51C0C5F39681392F297
Reporter JAMESWT_WT
Tags:MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32660/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/398273
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 251317 Sample: WAH.exe Startdate: 27/07/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected MassLogger RAT 2->55 57 4 other signatures 2->57 8 WAH.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 69 Contains functionality to inject code into remote processes 8->69 71 Writes to foreign memory regions 8->71 73 Allocates memory in foreign processes 8->73 75 2 other signatures 8->75 13 notepad.exe 5 8->13         started        17 gtguihjky.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\gtguihjky.exe, PE32 13->33 dropped 35 C:\Users\...\gtguihjky.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 13->37 dropped 79 Creates files in alternative data streams (ADS) 13->79 81 Drops VBS files to the startup folder 13->81 19 gtguihjky.exe 13->19         started        83 Maps a DLL or memory area into another process 17->83 22 gtguihjky.exe 6 17->22         started        25 gtguihjky.exe 17->25         started        signatures7 process8 dnsIp9 59 Multi AV Scanner detection for dropped file 19->59 61 Detected unpacking (changes PE section rights) 19->61 63 Detected unpacking (creates a PE file in dynamic memory) 19->63 67 4 other signatures 19->67 27 gtguihjky.exe 15 6 19->27         started        31 gtguihjky.exe 19->31         started        39 nagano-19599.herokussl.com 22->39 41 elb097307-934924932.us-east-1.elb.amazonaws.com 22->41 43 api.ipify.org 22->43 65 Tries to harvest and steal browser information (history, passwords, etc) 22->65 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.197.225.198, 49736, 49737, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 77 Tries to steal Mail credentials (via file access) 27->77 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fae7c91e798f1331cc235713cf63f74043a7fb2ce146b6b41fb188d2950babe/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-27 06:43:25 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6xhzephtdytghgcgvytz5r7oqcdu75szykgw22b7mmi2kkqxk7a._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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MassLogger
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MassLogger
+ 1'874 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Link:
https://tria.ge/reports/200727-8e9nmw3s7x/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Drops startup file
Loads dropped DLL
UPX packed file
Executes dropped EXE
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/3fae7c91e798f1331cc235713cf63f74043a7fb2ce146b6b41fb188d2950babe

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
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
Create hunting rule
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 3fae7c91e798f1331cc235713cf63f74043a7fb2ce146b6b41fb188d2950babe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/410920/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/32660/

Comments