MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c
SHA3-384 hash: 898377147fec76fadf73673274bc8ab9b2a37a40d373b23eed339e1e7192ce5cafb276e1fb1f0e9dde1fadb17125d4a5
SHA1 hash: 5b178078790c32bf3dc7f82ef864363f9885e286
MD5 hash: f1e6011f1d2c6a97d8710bf05d9f729c
humanhash: cold-neptune-asparagus-lithium
File name:f1e6011f1d2c6a97d8710bf05d9f729c.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'015'296 bytes
First seen:2020-09-09 07:27:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b21a7468eedc66a1ef417421057d3157 (10 x AgentTesla, 10 x MassLogger, 3 x AZORult)
ssdeep 24576:BGDh1aKoqw13WhVUSciOjm2HTmqVthsaEdZ8:EDx8h0USgTmk/sQ
TLSH A025D123A1904833D2A3267D5F0B93B8A826FE5139186F467BF5DD4CDF39691393A087
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 :
117
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58062/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

SecuriteInfo.com.Trojan.GenericKD.34490256.31687.27024.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-09-09 07:29:08 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sonxh6vuoyuuhyv2kxwdffmeljlg5r6q7qi4ec66bbqdinyt6ewa._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Link:
https://tria.ge/reports/200909-z1caazh6wn/
Behaviour
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
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.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c

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 939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/410920/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58062/

Comments