MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6031b6aeab0b8c5111938e3c0819e717858aa3586bcdacea994d980ac36c5368. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	6031b6aeab0b8c5111938e3c0819e717858aa3586bcdacea994d980ac36c5368
SHA3-384 hash:	6afff65d9c84ebc1bada3309643bcf86c44cd5773934059963242dcf6a8006f5d6f92da6e185209e678f18da3cf9b69b
SHA1 hash:	4419b76003f333925f4cf84b5e679ff64d7d6d08
MD5 hash:	7689c98d5db51db149591210ad24c4ff
humanhash:	don-speaker-berlin-spring
File name:	PO 17774.xls
Download:	download sample
Signature	Formbook Create hunting rule
File size:	187'392 bytes
First seen:	2020-07-31 11:11:58 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	3072:fk3hOdsylKlgryzc4bNhZFGzE+cL2kn3v7W495jlNgZ0rAA5rqapJwXqfRuyAWsi:fk3hOdsylKlgryzc4bNhZF+E+W2knf7a
TLSH	4F04F1A2B596E816D70B07750BA11110BF3BFC00B391A24A32F4BB071B715BD9E63DE6
Reporter	abuse_ch
Tags:	FormBook xls

abuse_ch

Malspam distributing Formbook:

HELO: akhaten.nordnet.ws
Sending IP: 144.76.106.247
From: zhouliywang009@yahoo.com <zhouliywang009@yahoo.com>
Subject: PO 17774
Attachment: PO 17774.xls

FormBook payload URL:
https://a.uguu.se/pjhjuc.jpg

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.VBS.Downloader-35.UNOFFICIAL

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/405959

Signature

Creates HTML files with .exe extension (expired dropper behavior)

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with functions possibly related to HTTP operations

Document exploit detected (creates forbidden files)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6031b6aeab0b8c5111938e3c0819e717858aa3586bcdacea994d980ac36c5368/

Threat name:

Script-Macro.Downloader.Obfuser

Status:

Malicious

First seen:

2020-07-31 11:13:06 UTC

AV detection:

18 of 29 (62.07%)

Threat level:

3/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=may3nlvlbogfcemtry6aqgphc6cyvi2ynpg2z2uzjwmavq3mknua._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200731-bp5nmc6sp2/

Behaviour

Suspicious Office macro

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6031b6aeab0b/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Dropper

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/6031b6aeab0b8c5111938e3c0819e717858aa3586bcdacea994d980ac36c5368

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.