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 15 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 :

CH

Vendor Threat Intelligence

ANY.RUN Suspicious

Malware family:

n/a

ID:

1

File name:

af0828c3971ed729d7effa1a6f39395ff679ad6b24cb0c79ff9fe2a63ecdc93b.xls

Verdict:

Suspicious activity

Analysis date:

2024-05-14 12:46:49 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/58af6381-fdc7-41d6-b11f-9ffac8ffc035

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):

TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL

Alert

Create hunting rule

SecuriteInfo.com.IMG.Phish.18227.16979.UNOFFICIAL

Alert

Create hunting rule

CyberFortress

Gathering data

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

DNS request

Launching a process

Creating a window

Searching for synchronization primitives

Сreating synchronization primitives

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/af0828c3971ed729d7effa1a6f39395ff679ad6b24cb0c79ff9fe2a63ecdc93b/results/dashboard

Payload URLs

URL

File name

http://dokdo.in/iOi

Embedded Ole

Behaviour

BlacklistAPI detected

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

embedequation exploit language-tr macros shellcode

Link:

https://www.filescan.io/uploads/66435cda54aa07c307faa741/reports/4e4a5e7f-db20-420e-b5da-40360d705ac8/overview

Hybrid Analysis CVE-2017-0199

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/af0828c3971ed729d7effa1a6f39395ff679ad6b24cb0c79ff9fe2a63ecdc93b

inlyse Malware.AI

Gathering data

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/af0828c3971ed729d7effa1a6f39395ff679ad6b24cb0c79ff9fe2a63ecdc93b

Joe Sandbox AgentTesla, PureLog Stealer

Result

Threat name:

AgentTesla, PureLog Stealer

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1441354

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus detection for dropped file

Antivirus detection for URL or domain

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Document exploit detected (process start blacklist hit)

Drops PE files with benign system names

Excel sheet contains many unusual embedded objects

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Office equation editor drops PE 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

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Shellcode detected

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Equation Editor Network Connection

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Suspicious Binary In User Directory Spawned From Office Application

Sigma detected: Suspicious Microsoft Office Child Process

Sigma detected: System File Execution Location Anomaly

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/af0828c3971ed729d7effa1a6f39395ff679ad6b24cb0c79ff9fe2a63ecdc93b/

ReversingLabs TitaniumCloud Document-Word.Exploit.CVE-2017-0199

Threat name:

Document-Word.Exploit.CVE-2017-0199

Alert

Create hunting rule

Status:

Malicious

First seen:

2024-05-14 09:57:52 UTC

File Type:

Document

Extracted files:

99

AV detection:

12 of 24 (50.00%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=v4ecrq4xd3lstv7p7ing6ojzl73htllletfqy6p7t7rkmpwnze5q._file

Hatching Triage agenttesla

Result

Malware family:

agenttesla

Alert

Create hunting rule

Score:

  10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240514-py23jagb43/

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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetThreadContext

Adds Run key to start application

Looks up external IP address via web service

Abuses OpenXML format to download file from external location

Executes dropped EXE

Loads dropped DLL

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Blocklisted process makes network request

Downloads MZ/PE file

AgentTesla

VMRay AgentTesla

Malware family:

AgentTesla

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/af0828c3971e/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:

1.00

Link:

https://yomi.yoroi.company/submissions/af0828c3971ed729d7effa1a6f39395ff679ad6b24cb0c79ff9fe2a63ecdc93b

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