MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87c6b480e38cb82e39c70231315ee141a38bebc96fe313c35a69da2257811531. 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: 8

Intelligence 8 IOCs YARA 1 File information Comments 1

SHA256 hash:	87c6b480e38cb82e39c70231315ee141a38bebc96fe313c35a69da2257811531
SHA3-384 hash:	846052f7cd6f95b3edaf4332ff45fc2577c6c48e3efd3a5541cdae74acdcef5333e06783bbeb38fa0b544d36573b0583
SHA1 hash:	e5bc95cf4a37322ab42b645e34c859176dd7f646
MD5 hash:	a025cb1ed7610a560adac89750f1851c
humanhash:	mirror-alanine-green-echo
File name:	a025cb1ed7610a560adac89750f1851c
Download:	download sample
File size:	24'797 bytes
First seen:	2022-02-01 18:54:59 UTC
Last seen:	Never
File type:	rtf
MIME type:	text/rtf
ssdeep	384:P0KupPIxoxScdsMU29iABFT028vE7RF1kRIQGjZGD3isxRkz8:PfaPukScSNgFA28vuRF1YSZaHf
TLSH	T15CB2DD7EB59B8E48EB17C664151ABEB9166DF41DA3C440C1BBBCE3307F1D9068B21638
Reporter	zbetcheckin
Tags:	CVE-2017-11882 rtf

Intelligence

File Origin

# of uploads :

# of downloads :

152

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/rtf

Has a screenshot:

False

Contains macros:

False

Detection(s):

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

DNS request

Sending a custom TCP 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/87c6b480e38cb82e39c70231315ee141a38bebc96fe313c35a69da2257811531/results/dashboard

Result

Verdict:

MALICIOUS

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/931992

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

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

Sigma detected: EQNEDT32.EXE connecting to internet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/87c6b480e38cb82e39c70231315ee141a38bebc96fe313c35a69da2257811531/

Threat name:

Document-RTF.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2022-01-29 01:52:27 UTC

File Type:

Document

Extracted files:

AV detection:

15 of 28 (53.57%)

Threat level:

5/5

Result

Malware family:

n/a

Score:

10/10

Tags:

persistence suricata

Link:

https://tria.ge/reports/220201-xkr96saefn/

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 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

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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/87c6b480e38cb82e39c70231315ee141a38bebc96fe313c35a69da2257811531

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 87c6b480e38cb82e39c70231315ee141a38bebc96fe313c35a69da2257811531

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2021957/

Comments

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zbet commented on 2022-02-01 18:55:02 UTC

url : hxxp://107.172.76.210/invoice/dhl_shop_0000.wbk