MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8ea60675bf0fd459aebe9511edd1b7757972a41bb61a57e9ba66f23d4b38a3e. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8ea60675bf0fd459aebe9511edd1b7757972a41bb61a57e9ba66f23d4b38a3e
SHA3-384 hash: b701c7340fed109f156ecc233e887df6a9acc68ad049e7738e8635290c9698fb370a04da2ac21b0a670ae2fdc50c9b45
SHA1 hash: 3f1e9d0cb24b55a4ff230c10c2dd896d8a7bf6f3
MD5 hash: 8ff48e06725ddfe2f6290e8122e1dd9a
humanhash: fish-iowa-oxygen-ohio
File name:8ff48e06725ddfe2f6290e8122e1dd9a.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'267'200 bytes
First seen:2020-11-23 16:10:52 UTC
Last seen:2020-11-23 18:19:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:SeLqn6dFIEm+gpBVJAanxD2/16aD9w+tpbRI7Wu1nx/FFfI:
Threatray 554 similar samples on MalwareBazaar
TLSH 88454CF4609E14A2F25F853666AEBDD802B27987DBCB684C4378F6611ABF7137E0140D
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.hkoffice365.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/545349
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 321765 Sample: vQau1zZe6u.exe Startdate: 23/11/2020 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for dropped file 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected MassLogger RAT 2->46 48 8 other signatures 2->48 6 vQau1zZe6u.exe 1 4 2->6         started        10 vlc.exe 2->10         started        12 vlc.exe 1 2->12         started        process3 file4 22 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 6->22 dropped 24 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 6->24 dropped 26 C:\Users\user\AppData\...\vQau1zZe6u.exe.log, ASCII 6->26 dropped 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->50 52 Injects a PE file into a foreign processes 6->52 14 vQau1zZe6u.exe 15 2 6->14         started        18 vlc.exe 2 10->18         started        20 vlc.exe 14 2 12->20         started        signatures5 process6 dnsIp7 28 elb097307-934924932.us-east-1.elb.amazonaws.com 174.129.214.20, 49708, 80 AMAZON-AESUS United States 14->28 30 nagano-19599.herokussl.com 14->30 32 api.ipify.org 14->32 54 Tries to steal Mail credentials (via file access) 14->54 34 54.243.164.148, 49722, 80 AMAZON-AESUS United States 18->34 38 2 other IPs or domains 18->38 56 Tries to harvest and steal browser information (history, passwords, etc) 18->56 36 54.235.83.248, 49720, 80 AMAZON-AESUS United States 20->36 40 2 other IPs or domains 20->40 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8ea60675bf0fd459aebe9511edd1b7757972a41bb61a57e9ba66f23d4b38a3e/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Create hunting rule
Status:
Malicious
First seen:
2020-11-23 15:20:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdvgaz236d6ulgxl5fir5xi3o5lzoksbxnq2k7u3uzxshvftri7a._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1dcfc63f38d7f52434d71f4befe9fdb233ebff022ddc1960ce8747d9c3727a59
MassLogger
322cdafdbecbb10cebb964011c87d6c5fff3951cf2b71fe3cf9e92636ade84b6
MassLogger
657ce0145781e930d93e0cf3953390f98f22323be721a6d44db6342a44aea27f
MassLogger
6cb35d59850a6e43f2b6cfe1de03a41d81ab9bc07bfdb1b4b1f3cadba53d3086
MassLogger
84ff047bcfc4af6e249a5b466477d1b72cf261fc5a40752a62a149158118224e
MassLogger
87846ad003a6ae72132bc3771c9179a5d9ed1857eca281fd53bab57ff6e93de1
MassLogger
c7573f0e33614200aabd85a18762922a3911f96f27f14829b3a36e325aed2d03
MassLogger
cc0a089658a684db93cace34d85bbbb94d3950425517ec12fd41ea620822bcf2
MassLogger
d6b834570825a606942ff096f5ad3df33f58082be5a68bab447bc9af4b114e95
MassLogger
fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008
MassLogger
+ 544 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201123-d1p35kdr8e/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
MassLogger Main Payload
MassLogger
Unpacked files
SH256 hash:
b0011f1ab1c719718cf74e34fd491ba5fa34d23749e40cac3e18b275bbed88f1
MD5 hash:
39bdbe25db04fd9db199043854aa3b58
SHA1 hash:
3af5df3a2ab504d7133cce1a4222d7ae43670569
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/3880de43-9fd5-496d-9cb2-13b3dfd04d84/
Parent samples :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 hash:
0c6f4030c1fe94d926a4b4fb84e4f8869087a44a20c09335b186d7835cea7a4c
MD5 hash:
d403358fc305585db1ba44748735737f
SHA1 hash:
65e94f95b8e56b0153af85dd9e6d40c4b8356eeb
Link:
https://www.unpac.me/results/3880de43-9fd5-496d-9cb2-13b3dfd04d84/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/3880de43-9fd5-496d-9cb2-13b3dfd04d84/
SH256 hash:
b8ea60675bf0fd459aebe9511edd1b7757972a41bb61a57e9ba66f23d4b38a3e
MD5 hash:
8ff48e06725ddfe2f6290e8122e1dd9a
SHA1 hash:
3f1e9d0cb24b55a4ff230c10c2dd896d8a7bf6f3
Link:
https://www.unpac.me/results/3880de43-9fd5-496d-9cb2-13b3dfd04d84/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b8ea60675bf0fd459aebe9511edd1b7757972a41bb61a57e9ba66f23d4b38a3e

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
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MassLogger
Create hunting rule
Author:kevoreilly
Description:MassLogger
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 b8ea60675bf0fd459aebe9511edd1b7757972a41bb61a57e9ba66f23d4b38a3e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/826463/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/105323/

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