MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 feb46aa9ceb04365001a9ec1b70fabbf235f7d045987e309a6e1e0ac3856629c. 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

Threat unknown

Vendor detections: 9

Intelligence 9 IOCs YARA 1 File information Comments 1

SHA256 hash:	feb46aa9ceb04365001a9ec1b70fabbf235f7d045987e309a6e1e0ac3856629c
SHA3-384 hash:	521acae9b79dc54bc1a95fc8391a9611c8b92bd2628f8dff747118de7d2f56bda124de90ae4efb9d4d7644eb7a09f753
SHA1 hash:	d87a716b060e8bed33b8c95c2175aa761fe9d6d8
MD5 hash:	4670ffaaaecc8661633ce55daeac74cf
humanhash:	speaker-utah-delaware-nine
File name:	4670ffaaaecc8661633ce55daeac74cf
Download:	download sample
File size:	25'925 bytes
First seen:	2022-02-01 18:54:37 UTC
Last seen:	Never
File type:	rtf
MIME type:	text/rtf
ssdeep	384:bzHOPtre4xr3ZjOj3/cQ4NcdgbWRHLjx3UxAdRxZEdbg0U20zDj1GI:baM4BZjg/cQdXHLhUxAVgbg0D0zNGI
TLSH	T12DC2567EF58B0E489E4797A8060A7B65164DF42D72C844A237BCDB387A1D85B8723D38
Reporter	zbetcheckin
Tags:	CVE-2017-11882 rtf

Intelligence

File Origin

# of uploads :

# of downloads :

178

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/rtf

Has a screenshot:

False

Contains macros:

False

Detection(s):

Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

DNS request

Searching for synchronization primitives

Launching a process

Creating a window

Сreating synchronization primitives

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

Result

Verdict:

Malicious

File Type:

RTF File

Link:

https://app.docguard.net/feb46aa9ceb04365001a9ec1b70fabbf235f7d045987e309a6e1e0ac3856629c/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

CVE-2017-11882 embedequation exploit shellcode

Link:

https://www.filescan.io/uploads/61f98210a0f6a794b3313042/reports/78c28705-3243-4e42-866d-d9836d5e4118/overview

Result

Verdict:

MALICIOUS

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/931996

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Sigma detected: EQNEDT32.EXE connecting to internet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/feb46aa9ceb04365001a9ec1b70fabbf235f7d045987e309a6e1e0ac3856629c/

Threat name:

Document-Office.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2022-02-01 18:55:09 UTC

File Type:

Document

Extracted files:

AV detection:

16 of 28 (57.14%)

Threat level:

5/5

Result

Malware family:

n/a

Score:

8/10

Tags:

persistence

Link:

https://tria.ge/reports/220201-xkr96sahe4/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Drops file in Windows directory

Blocklisted process makes network request

Sets service image path in registry

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

Threat name:

Malicious File

Score:

0.99

Link:

https://yomi.yoroi.company/submissions/feb46aa9ceb04365001a9ec1b70fabbf235f7d045987e309a6e1e0ac3856629c

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:	INDICATOR_RTF_MalVer_Objects Create hunting rule
Author:	ditekSHen
Description:	Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information

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

Web download

rtf feb46aa9ceb04365001a9ec1b70fabbf235f7d045987e309a6e1e0ac3856629c

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2021958/

Comments

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zbet commented on 2022-02-01 18:54:41 UTC

url : hxxp://107.172.76.210/invoice/invc_shp.wbk