MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27afc15c02eab6ed8ec66e74030a1a53c3826d9a2d5f57e5e01f9225ca276cc6. 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:	27afc15c02eab6ed8ec66e74030a1a53c3826d9a2d5f57e5e01f9225ca276cc6
SHA3-384 hash:	82dd119ddaa3292c93b6fb8c17051474b8ce6df25fb752da867ec31678db2b2ac8bd094343ced8861dda20887cb3927a
SHA1 hash:	080b4d16d3aa8ad86be17161cec775038e47862e
MD5 hash:	b445d8a09a77dbeff86e667ad65981b0
humanhash:	oranges-batman-lamp-avocado
File name:	0RDER INQUIRY LIST 08009020.xlsx
Download:	download sample
Signature	Formbook Create hunting rule
File size:	791'552 bytes
First seen:	2020-09-08 07:22:50 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	24576:31EhCJMhpQ7qYDLkqNkcpFR+S/ArUwf86:31mCJJ/rf1/Arr
TLSH	B3F423497E545B96CB2329B111A02BA50BBEDF547B92FE43338637034878BBE41C1A76
Reporter	abuse_ch
Tags:	CVE-2017-11882 FormBook xlsx

abuse_ch

Malspam distributing Formbook:

HELO: zimbra.power.it
Sending IP: 109.168.111.151
From: lists@power.it
Reply-To: covestone@yahoo.com
Subject: Requesting Price
Attachment: 0RDER INQUIRY LIST 08009020.xlsx

FormBook payload URL:
http://coltec.ga/~zadmin/temp/0ap.exe

FormBook C2:
http://www.borez.xyz/c233/

Intelligence

File Origin

# of uploads :

# of downloads :

165

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

PUA.Doc.Packed.EncryptedDoc-6563700-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

DNS request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Creating a file

Launching the default Windows debugger (dwwin.exe)

Launching a file downloaded from the Internet

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Creating a process from a recently created file

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/27afc15c02eab6ed8ec66e74030a1a53c3826d9a2d5f57e5e01f9225ca276cc6/

Threat name:

Document-Office.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2020-09-08 00:01:48 UTC

AV detection:

15 of 29 (51.72%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e6x4cxac5k3o3dwgnz2agcq2kpbye3m2fvpvpzpad6jclsrhntda._file

Result

Malware family:

n/a

Score:

4/10

Tags:

n/a

Link:

https://tria.ge/reports/200908-rxq4v35sye/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Launches Equation Editor

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

NSIS installer

Program crash

Drops file in Windows directory

Loads dropped DLL

Uses the VBS compiler for execution

Blacklisted process makes network request

Executes dropped EXE

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

Threat name:

Exploit

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/27afc15c02eab6ed8ec66e74030a1a53c3826d9a2d5f57e5e01f9225ca276cc6

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.