MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81c0f90b0a732ef8d1b54f61a252951fd3f42a9854ba918b658fd7da50b799b9. 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


Formbook


Vendor detections: 4


Intelligence 4 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81c0f90b0a732ef8d1b54f61a252951fd3f42a9854ba918b658fd7da50b799b9
SHA3-384 hash: c3dc171fdc9678f2e9ead0b0315787696d9b91fbbfb813b479b1307dc6f95844e02cecf4a2f4bdb9ed42f27f0ead000f
SHA1 hash: 43b45162b338321aee9c8fb6942ad5e56174a1ae
MD5 hash: 39308454b4e6ed0fcbe2e31139acc8c6
humanhash: burger-december-idaho-cardinal
File name:80613177.xls
Download: download sample
Signature Formbook
Create hunting rule
File size:389'120 bytes
First seen:2020-08-18 10:52:38 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:7k3hOdsylKlgryzc4bNhZF+E+W2kna+AqmFkM9lz2KE8hBdLVoo5z9Nn/FDC5GVT:l5kMHq/8oo5ztOcVLEP9iYtHliEM9fGa
TLSH 538412A4B2D9CA53CA4B2375CCD243D9F622FC62A78383473798F62947323C44A67756
Reporter abuse_ch
Tags:FormBook xls


Avatar
abuse_ch
FormBook payload URL:
http://13.231.151.34/w2/80613177.jpg

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Downloader-37.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a process from a recently created file
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81c0f90b0a732ef8d1b54f61a252951fd3f42a9854ba918b658fd7da50b799b9/
Threat name:
Script-Macro.Downloader.Obfuser
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 10:54:06 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhapscykomxprunvj5q2euuvd7j7ikuyks5jdc3fr7l5uufxtg4q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200818-h7w3bx58js/
Behaviour
Suspicious Office macro
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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Excel file xls 81c0f90b0a732ef8d1b54f61a252951fd3f42a9854ba918b658fd7da50b799b9

(this sample)

Formbook

Executable exe 5b3a9ff6468f8b2838c739bcbc84e3998a3287a5cebaf5b359c92ea028160f5f

  
URLhaus
https://urlhaus.abuse.ch/url/435565/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 5b3a9ff6468f8b2838c739bcbc84e3998a3287a5cebaf5b359c92ea028160f5f
  
Dropping
MD5 37a45957bdfa9a27fd585e1d9ebd6d2a

Comments