MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46ab925658c2211a7dd6856b2cc2a8336eb920d6a6602b75b43602fc7b6f9971. 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: 46ab925658c2211a7dd6856b2cc2a8336eb920d6a6602b75b43602fc7b6f9971
SHA3-384 hash: d1b539e8c7f9d3a319bda4f94eb2c1f7915e8a1fe2c5d981a9df10d6cfdb28530bcf695ce50e5169f0269cbeb369b3c8
SHA1 hash: 1770ac34bbe2227863d7bb4ce497b52e043e024b
MD5 hash: 4ad2c9692e078e449159960c9a53695a
humanhash: mexico-december-river-magnesium
File name:4ad2c9692e078e449159960c9a53695a.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'062'912 bytes
First seen:2020-08-05 15:57:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6f6a6c4d7e3c496aeb050e49f17c295e (6 x MassLogger, 5 x Loki, 4 x AgentTesla)
ssdeep 24576:X3+RcOn0TC3moKh5rZRkflG87c8/WuqK9:X3+dNIkfZc81d9
Threatray 2'152 similar samples on MalwareBazaar
TLSH 8335C0E3E2D044F7C07316789C5F93B7AC26BD106928A84627F55F0C5E392A1793A2B7
Reporter abuse_ch
Tags:exe MassLogger


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39801/
Detection(s):
SecuriteInfo.com.Variant.Strictor.247961.5681.1845.UNOFFICIAL
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 a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
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 by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/411611
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258099 Sample: G6S0rkla5b.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Yara detected MassLogger RAT 2->53 55 Yara detected AntiVM_3 2->55 57 4 other signatures 2->57 8 G6S0rkla5b.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Contains functionality to inject code into remote processes 8->67 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 2 other signatures 8->73 13 notepad.exe 5 8->13         started        17 hfskfhfsv.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\hfskfhfsv.exe, PE32 13->33 dropped 35 C:\Users\...\hfskfhfsv.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 13->37 dropped 77 Creates files in alternative data streams (ADS) 13->77 79 Drops VBS files to the startup folder 13->79 19 hfskfhfsv.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 hfskfhfsv.exe 6 17->22         started        25 hfskfhfsv.exe 17->25         started        signatures7 process8 dnsIp9 59 Detected unpacking (changes PE section rights) 19->59 61 Detected unpacking (creates a PE file in dynamic memory) 19->61 63 Detected unpacking (overwrites its own PE header) 19->63 65 4 other signatures 19->65 27 hfskfhfsv.exe 15 6 19->27         started        31 hfskfhfsv.exe 19->31         started        39 54.225.195.221, 49728, 80 AMAZON-AESUS United States 22->39 41 192.168.2.1 unknown unknown 22->41 43 3 other IPs or domains 22->43 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.191.113, 49725, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 75 Tries to steal Mail credentials (via file access) 27->75 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46ab925658c2211a7dd6856b2cc2a8336eb920d6a6602b75b43602fc7b6f9971/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 15:59:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i2vzevsyyiqru7owqvvszqvignxlsigwuzqcw5nugybpy63ptfyq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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+ 2'142 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Link:
https://tria.ge/reports/200805-3p4bqhmsjs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
NTFS ADS
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
UPX packed file
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:
1.00
Link:
https://yomi.yoroi.company/submissions/46ab925658c2211a7dd6856b2cc2a8336eb920d6a6602b75b43602fc7b6f9971

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 46ab925658c2211a7dd6856b2cc2a8336eb920d6a6602b75b43602fc7b6f9971

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/412466/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/39801/

Comments