MalwareBazaar Database

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Intelligence

File Origin

Vendor Threat Intelligence

BitDam Malicious

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/265650/

ClamAV Detected

Detection(s):

SecuriteInfo.com.Macro.Downloader-19.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.XLMConCatScratchFever.20210921.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EmoZenith.20220420.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

DNS request

Query of malicious DNS domain

Sending a TCP request to an infection source by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/5889e3a8bc561f73b3b3e1b70850b211525a02238410aacd725a990f35139333/results/dashboard

Payload URLs

URL

File name

https://www.escueladecinemza.com.ar/_installation/IBlj/

WorkBook

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

80%

Tags:

coinminer macros macros-on-open pos regsvr32 regsvr32.exe

Link:

https://www.filescan.io/uploads/6262579bffe27d51192d10fb/reports/5b8e3aa0-5f54-4b83-ba54-f6052162bbc5/overview

inlyse Malware.AI Benign

Label:

Benign

Suspicious Score:

4.1/10

Score Malicious:

42%

Score Benign:

58%

Link:

https://www.malware.ai/gui/files/?id=24be6aa6-024c-48b2-b962-8b91dfe4c7bf

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/5889e3a8bc561f73b3b3e1b70850b211525a02238410aacd725a990f35139333

Details

Autostarting Excel Macro Sheet

Excel contains Macrosheet logic that will trigger automatically upon document open.

Joe Sandbox Hidden Macro 4.0

Result

Threat name:

Hidden Macro 4.0

Alert

Create hunting rule

Detection:

malicious

Classification:

expl.evad

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/981172

Signature

Antivirus detection for URL or domain

Document exploit detected (UrlDownloadToFile)

Found Excel 4.0 Macro with suspicious formulas

Found malicious Excel 4.0 Macro

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5889e3a8bc561f73b3b3e1b70850b211525a02238410aacd725a990f35139333/

ReversingLabs TitaniumCloud Document-Excel.Trojan.Woreflint

Threat name:

Document-Excel.Trojan.Woreflint

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-04-22 07:05:59 UTC

File Type:

Document

Extracted files:

12

AV detection:

18 of 41 (43.90%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lce6hkf4kypxhm5t4g3qqufscfjfuardqqikvtlslkmq6nitsmzq._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/220422-h6757abbh3/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Malware Config

Dropper Extraction:

https://www.escueladecinemza.com.ar/_installation/IBlj/
https://ciencias-exactas.com.ar/old/Bupubz1trh/

VMRay Emotet

Malware family:

Emotet

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5889e3a8bc56/report/overview.html

VirusTotal

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

YOROI YOMI Suspicious File

Threat name:

Suspicious File

Score:

0.44

Link:

https://yomi.yoroi.company/submissions/5889e3a8bc561f73b3b3e1b70850b211525a02238410aacd725a990f35139333

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.

File information

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

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/265650/

Comments