MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21. 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: 11

Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash:	c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21
SHA3-384 hash:	3eaf0512b1c2b511bf1ac5265c5e396e96d7ea826011026ddb594de7afea2d67e1232e1e133e91598c9b294359295320
SHA1 hash:	af768a05faf58c990f32588177fad6d8c81a2021
MD5 hash:	da4ee80c1cd71008a199b216b4f7dda3
humanhash:	skylark-don-nebraska-nineteen
File name:	da4ee80c1cd71008a199b216b4f7dda3
Download:	download sample
File size:	25'044 bytes
First seen:	2023-06-11 06:55:32 UTC
Last seen:	Never
File type:	rtf
MIME type:	text/rtf
ssdeep	768:okgeHKeGdm3w2jKWq/OIIEFKDJ/zNY+yEdsQEFQxf9/FtAMw:obeHK1s1jKLmoKjY+yEdjEKf9/Fxw
TLSH	T1A3B2475A5B8C4C51F26AE87B478EE00E59BCF22230C255C5BC9CE3747B6D10E4B6B1B9
Reporter	zbetcheckin
Tags:	CVE-2017-11882 rtf

Intelligence

File Origin

# of uploads :

# of downloads :

132

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

da4ee80c1cd71008a199b216b4f7dda3

Verdict:

Malicious activity

Analysis date:

2023-06-11 06:58:23 UTC

Tags:

opendir

Link:

https://app.any.run/tasks/5522d94c-b9e6-41fd-a232-5eff7f3e662c

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Searching for synchronization primitives

Launching a process

Creating a window

Сreating synchronization primitives

Sending an HTTP GET request

Result

Verdict:

Malicious

File Type:

RTF File

Link:

https://app.docguard.net/c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

embedequation evasive exploit shellcode

Link:

https://www.filescan.io/uploads/648570028e3fa23b915a1942/reports/1a799cf6-5a8e-470a-90e9-9fee8c6bac7d/overview

Verdict:

Malicious

Labled as:

CVE-2017-11882

Link:

https://www.hybrid-analysis.com/sample/c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21

Result

Verdict:

MALICIOUS

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1252515

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Office equation editor establishes network connection

Shellcode detected

Sigma detected: EQNEDT32.EXE connecting to internet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21/

Threat name:

Document-RTF.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2023-06-05 14:14:53 UTC

File Type:

Document

Extracted files:

AV detection:

18 of 37 (48.65%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=y6bvaqznuxt7f6bcipjwpluhgaqbaktmlkqylh656hum462bruqq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://tria.ge/reports/230611-hqcdkshd3w/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

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

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/c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21

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.

Rule name:	SUSP_INDICATOR_RTF_MalVer_Objects Create hunting rule
Author:	ditekSHen
Description:	Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:	https://github.com/ditekshen/detection

File information

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

Web download

rtf c78350432da5e7f2f82243d367ae873020102a6c5aa1859fddf1e8ce7b418d21

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2657533/

Comments

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zbet commented on 2023-06-11 06:55:33 UTC

url : hxxp://45.81.39.192/ip/ipipipipipipipipipipip%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23ipipipipipipi.doc