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 19 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:

Estado.de.cuenta.xls

Verdict:

Malicious activity

Analysis date:

2024-12-10 17:05:05 UTC

Tags:

macros macros-on-open loader confuser

Link:

https://app.any.run/tasks/3c7af926-0995-4e4a-96fd-3c66b21e03fb

Note:

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

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.StatusIsLikeAFriend.20210201.UNOFFICIAL

Alert

Create hunting rule

Sanesecurity.Badmacro.XlsM.objshell.UNOFFICIAL

Alert

Create hunting rule

Sanesecurity.Badmacro.Doc.wsc.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.ShoulderOfOrion.20220121.UNOFFICIAL

Alert

Create hunting rule

CyberFortress Malicious

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=675873dc75182a06409eef4a

Tags:

office macro micro

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Creating a window

Сreating synchronization primitives

Connection attempt to an infection source by exploiting the app vulnerability

DNS request

Sending an HTTP GET request

Creating a file in the %AppData% subdirectories

Creating a file

Creating a file in the %AppData% directory

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

Reading critical registry keys

Creating a file in the %temp% directory

Query of malicious DNS domain

Connection attempt by exploiting the app vulnerability

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Sending a TCP request to an infection source

Stealing user critical data

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

Creating a process from a recently created file

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/a93f870ec5baff88edb4a49b7e1166c6b604c152ab6a49b232ddfa0eaa371886/results/dashboard

Behaviour

BlacklistAPI detected

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

dropper macros macros-on-open

Link:

https://www.filescan.io/uploads/675872e23645ff30866d56b4/reports/c74f1f1b-2cdc-456e-95d9-f321e9e2b2e1/overview

Hybrid Analysis Msoffice/malicious_confidence_100%

Verdict:

Malicious

Labled as:

Msoffice/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a93f870ec5baff88edb4a49b7e1166c6b604c152ab6a49b232ddfa0eaa371886

inlyse Malware.AI

Gathering data

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/a93f870ec5baff88edb4a49b7e1166c6b604c152ab6a49b232ddfa0eaa371886

Details

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro with File System Write

Detected macro logic that can write data to the file system.

Document With Minimal Content

Document contains less than 1 kilobyte of semantic information.

Shell.Application Object

Detected the instantiation of Shell Application object within the macro.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

Joe Sandbox AveMaria, UACMe

Result

Threat name:

AveMaria, UACMe

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1572593

Signature

.NET source code contains process injector

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to hide user accounts

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with functions possibly related to HTTP operations

Document contains an embedded VBA with hexadecimal encoded strings

Document contains VBA stomped code (only p-code) potentially bypassing AV detection

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Office process drops PE file

Sigma detected: File With Uncommon Extension Created By An Office Application

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

Sigma detected: Suspicious Microsoft Office Child Process

Yara detected AveMaria stealer

Yara detected UACMe UAC Bypass tool

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/a93f870ec5baff88edb4a49b7e1166c6b604c152ab6a49b232ddfa0eaa371886

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a93f870ec5baff88edb4a49b7e1166c6b604c152ab6a49b232ddfa0eaa371886/

ReversingLabs TitaniumCloud Script-Macro.Downloader.Heuristic

Threat name:

Script-Macro.Downloader.Heuristic

Alert

Create hunting rule

Status:

Malicious

First seen:

2024-12-10 16:57:05 UTC

File Type:

Document

Extracted files:

28

AV detection:

14 of 24 (58.33%)

Threat level:

  2/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ve7yodwfxl7yr3nuusnx4elgy23ajqksvnvetmrs3x5a5krxdcda._file

Threatray avemaria

Verdict:

malicious

Label(s):

avemaria

Alert

Create hunting rule

Similar samples:

error

AveMariaRAT

Hatching Triage warzonerat

Result

Malware family:

warzonerat

Alert

Create hunting rule

Score:

  10/10

Tags:

family:warzonerat discovery infostealer macro macro_on_action persistence rat

Link:

https://tria.ge/reports/241210-vf811swjdj/

Behaviour

Checks processor information in registry

Enumerates system info in registry

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

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Executes dropped EXE

Loads dropped DLL

Downloads MZ/PE file

Warzone RAT payload

WarzoneRat, AveMaria

Warzonerat family

Malware Config

C2 Extraction:

dns.stipamana.com:5219

Threat.Zone Suspicious

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a189c6a9-9536-4139-a230-573a437cb921

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/a93f870ec5baff88edb4a49b7e1166c6b604c152ab6a49b232ddfa0eaa371886

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