MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21cf18a3f7318d77dbab369b9095a9f18a5e46b6b99608d5a3d69c3ecd70be06. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21cf18a3f7318d77dbab369b9095a9f18a5e46b6b99608d5a3d69c3ecd70be06
SHA3-384 hash: a5f67c937a0b3db8a058fa79da2d41bac812f24592d1b65a46c7f5480966a741515f331b039a6e90d2ca5ac96d3dfe87
SHA1 hash: 88de7a88f0aab1ea75af513683f0829c1b55d43c
MD5 hash: ac7aa8337e4095cad6e81e76c607a174
humanhash: jersey-magnesium-summer-spring
File name:mxgByx6dfngFRBp.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'023'488 bytes
First seen:2020-06-11 06:38:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:nSFI9jfCv6ilYL8m9Rw+kChJiv+dImjZgozsmS0c/KzZU12NyQIr12AIpRj9D97R:nkI9jfRX9RJYXcsmLX6QCfI/9dlgAI
Threatray 4'346 similar samples on MalwareBazaar
TLSH 4925F14036D27E4EC73F8DB7455B19509BB066276E0BF743ADCB24DA606EF860610B8B
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: vwr.com
Sending IP: 37.49.230.191
From: Ashok Rangaraj<ashok.rangaraj@vwr.com>
Reply-To: Email ADMIN <noreply@domain-admin.com>
Subject: Avantor VWR Open Purchase Order Report // CH Overdue_34385
Attachment: Purchase Order Overdue_34385.rar (contains "mxgByx6dfngFRBp.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/8946/
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-11 06:40:12 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehhrri7xgggxpw5lg2nzbfnj6gff4rvwxglarvnd22od5tlqxyda._file
Verdict:
malicious
Similar samples:
083c70afde1be48426ebcf28eacfa0cd47f96130790b79f5a367ae6b00eab142
MassLogger
50e9f1e4d84a3a4a4a7487fcd1854b7a9b985a8a87693f51942d1ec3e5a21afe
MassLogger
5caa7e9eb486ca9161d410e9fe1dc4074c3b0c66f8d6cd05ab5ae6dd35837c5a
MassLogger
5f2517598649fe78e58966a15e9fea89e43ee57aa0ad6b779ef18be53eb39a2b
MassLogger
6d54c4bdd7149e81dc967e55ae893f4120d53d511253f829ae6881501b0a18ff
MassLogger
9b5b44ded4ede28d92834c4db286780a5628d02597a739ff3633f808d47f0939
MassLogger
c39d2b521f5ad659826516372c61ccaa1bb588b2d7e05bc66fb069fb83feb4f7
MassLogger
da5b47ddd8d07eccd9cbe46fe79214834b10b19aa3dcf6e7bd11d4681d9e5177
MassLogger
f495df589f3d5ada5d486d3795de4ddf24d296ae6af572a635ad00c4ed716088
MassLogger
fca57bc3188f4383efe5bfd8a6c0e3058273c7dca96ef9360f6290790f8883b6
MassLogger
+ 4'336 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger ransomware rezer0 spyware stealer
Link:
https://tria.ge/reports/201109-4n4lswq16j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
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
Reads user/profile data of web browsers
rezer0
MassLogger
MassLogger Main Payload
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
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.

96fac77b77ea064e714dd987fb876907

MassLogger

Executable exe 21cf18a3f7318d77dbab369b9095a9f18a5e46b6b99608d5a3d69c3ecd70be06

(this sample)

  
Dropped by
MD5 96fac77b77ea064e714dd987fb876907
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/8946/

Comments