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 22 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

Origin country :

NL

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

88694be4b098919c7f1946f05c5caf4998770fe9b31183171363370771ea48d5.xls

Verdict:

Malicious activity

Analysis date:

2024-03-21 17:43:26 UTC

Tags:

phishing phishing-xls

Link:

https://app.any.run/tasks/9ec32bc1-dfe4-49d2-9a3b-79a4d88323e1

Note:

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

BitDam Legit

Verdict:

Legit

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

False

ClamAV Detected

Detection(s):

SecuriteInfo.com.IMG.Phish.20422.21836.UNOFFICIAL

Alert

Create hunting rule

Sanesecurity.Badmacro.Xls.BadPdf.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Changing an executable file

Using the Windows Management Instrumentation requests

Creating a window

DNS request

Sending an HTTP GET request

Searching for synchronization primitives

Launching a process

Сreating synchronization primitives

Connection attempt by exploiting the app vulnerability

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/88694be4b098919c7f1946f05c5caf4998770fe9b31183171363370771ea48d5/results/dashboard

Payload URLs

URL

File name

http://askauth.com/w84vVl

Embedded Ole

Behaviour

SuspiciousRTF detected

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

embedequation exploit macros phishing shellcode

Link:

https://www.filescan.io/uploads/65fc6b1ff074ad892e591b23/reports/fb4859b3-0d21-4308-8641-4462d457a7fe/overview

Hybrid Analysis CVE-2017-11882

Verdict:

Malicious

Labled as:

CVE-2017-11882

Link:

https://www.hybrid-analysis.com/sample/88694be4b098919c7f1946f05c5caf4998770fe9b31183171363370771ea48d5

inlyse Malware.AI Benign

Label:

Benign

Suspicious Score:

4.1/10

Score Malicious:

41%

Score Benign:

59%

Link:

https://www.malware.ai/gui/files/?id=0b356874-5175-4441-be5c-d073d1b2ff23

Joe Sandbox malicious

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1413443

Signature

Antivirus detection for dropped file

Antivirus detection for URL or domain

Connects to a pastebin service (likely for C&C)

Document exploit detected (process start blacklist hit)

Excel sheet contains many unusual embedded objects

Installs new ROOT certificates

Malicious sample detected (through community Yara rule)

Microsoft Office drops suspicious files

Microsoft Office launches external ms-search protocol handler (WebDAV)

Multi AV Scanner detection for submitted file

Office drops RTF file

Office equation editor establishes network connection

Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)

Office viewer loads remote template

Shellcode detected

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Equation Editor Network Connection

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Script Initiated Connection to Non-Local Network

Sigma detected: Suspicious Microsoft Office Child Process

Sigma detected: WScript or CScript Dropper

System process connects to network (likely due to code injection or exploit)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Yara detected MalDoc

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB cve-2017-11882-shellcode

Detection:

cve-2017-11882-shellcode

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/88694be4b098919c7f1946f05c5caf4998770fe9b31183171363370771ea48d5/

ReversingLabs TitaniumCloud Win32.Trojan.Generic

Threat name:

Win32.Trojan.Generic

Alert

Create hunting rule

Status:

Malicious

First seen:

2024-03-21 09:48:13 UTC

File Type:

Document

Extracted files:

45

AV detection:

9 of 38 (23.68%)

Threat level:

  2/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rbuuxzfqtcizy7yzi3yfyxfpjgmhod7jwmiygfytmm3qo4pkjdkq._file

Hatching Triage Unknown

Result

Malware family:

n/a

Score:

  1/10

Tags:

n/a

Link:

https://tria.ge/reports/240321-vsl21sch75/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/88694be4b098/report/overview.html

VirusTotal

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

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/88694be4b098919c7f1946f05c5caf4998770fe9b31183171363370771ea48d5

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.

Comments