MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bea157ca27ef422f708a456a0269cc822807cdd461fdb1ad13e75c78aa150c15. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
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SHA256 hash: bea157ca27ef422f708a456a0269cc822807cdd461fdb1ad13e75c78aa150c15
SHA3-384 hash: f42687026a7c1453a2565f81c5f6e4694d8e3a8117c2c8ad4657b045d27dbf9c96c2d37f2bfd7675cbc73220e82af973
SHA1 hash: 29e0f8f9e5fac04463650885922a67f30fabc546
MD5 hash: a432e1909e981643e38779f92af4638e
humanhash: coffee-virginia-queen-lamp
File name:INV2020.xlsx
Download: download sample
Signature Formbook
Create hunting rule
File size:654'336 bytes
First seen:2020-08-17 18:58:24 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 12288:2q2Sa6VBEsEnm5hizQBfB+CJjLAd2tMdKgYCqjqLoQYBEjM59o:2q2cVPD8WFBLAd2tYKgYCqNQ+
TLSH 92D42315F149AB65DB83A63089C9E158477DEC0A878A8323699937F776BFF2111C033B
Reporter abuse_ch
Tags:CVE-2017-11882 FormBook xlsx


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: cloudserver10.qpc.co.th
Sending IP: 203.154.39.142
From: Allen Yu Fu Xiang <Sales@darshanheat.com>
Subject: Re: Payment Proof of Overdue Balance// INV#2020
Attachment: INV2020.xlsx

FormBook payload URL:
http://103.114.106.11/prssh.exe

FormBook C2:
http://www.flekcht.com/bg6/

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Doc.Packed.EncryptedDoc-6563700-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% directory
Sending an HTTP GET request
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/434672
Signature
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Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 269710 Sample: INV2020.xlsx Startdate: 18/08/2020 Architecture: WINDOWS Score: 48 12 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->12 6 EXCEL.EXE 160 51 2->6         started        8 mspaint.exe 27 2 2->8         started        process3 process4 10 splwow64.exe 6->10         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bea157ca27ef422f708a456a0269cc822807cdd461fdb1ad13e75c78aa150c15/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 19:00:11 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2qvpsrh55bc64ekivvae2omqiuaptoumh63dlit45ohrkqvbqkq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200817-8ghqdf3afa/
Behaviour
Suspicious Office macro
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/bea157ca27ef422f708a456a0269cc822807cdd461fdb1ad13e75c78aa150c15

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 xlsx bea157ca27ef422f708a456a0269cc822807cdd461fdb1ad13e75c78aa150c15

(this sample)

Formbook

Executable exe 79f15bc55fcc0e2f863a81accfb76b601531a909ebf009d57176dd18edf46d7d

  
URLhaus
https://urlhaus.abuse.ch/url/435088/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 79f15bc55fcc0e2f863a81accfb76b601531a909ebf009d57176dd18edf46d7d
  
Dropping
MD5 f82f15e166c55ab97537985a9e10ea6d

Comments