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 14 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.sheet.macroEnabled.12

Has a screenshot:

False

Contains macros:

True

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/118323/

ClamAV Detected

Detection(s):

SecuriteInfo.com.VB.Trojan.Valyria.3913.31078.18906.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Sending an HTTP GET request

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a file

Deleting a recently created file

DNS request

Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/4d55542e34eec2465af7785b29aa93097401824fdb682cd8dd0d19141eaefdb6/results/dashboard

Payload URLs

URL

File name

https://www.vertex42.com/ExcelTemplates/quote-template.html

custom.xml

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Details

Macro with Startup Hook

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

Macro Execution Coercion

Detected a document that appears to social engineer the user into activating embedded logic.

Macro Contains Suspicious String

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

InQuest Machine Learning

An InQuest machine-learning model classified this macro as potentially malicious.

External Relationship Element

Document contains an externally hosted relationship, which fetches further content.

Joe Sandbox malicious

Result

Threat name:

Unknown

Detection:

malicious

Classification:

evad.spre

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/614096

Signature

Antivirus detection for URL or domain

Creates processes via WMI

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA with base64 encoded strings

Document contains an embedded VBA with hexadecimal encoded strings

Document contains an embedded VBA with many randomly named variables

Multi AV Scanner detection for submitted file

Obfuscated command line found

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

Powershell drops PE file

Suspicious powershell command line found

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4d55542e34eec2465af7785b29aa93097401824fdb682cd8dd0d19141eaefdb6/

ReversingLabs TitaniumCloud Script-Macro.Trojan.Valyria

Threat name:

Script-Macro.Trojan.Valyria

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-02-22 13:00:15 UTC

AV detection:

13 of 29 (44.83%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jvkvilru53bemwxxpbnstkutbf2adasp3nuczwg5bumrihvo7w3a._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

pyinstaller

Link:

https://tria.ge/reports/210222-7crrlmyf5e/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Detects Pyinstaller

Drops file in System32 directory

Looks up external IP address via web service

Loads dropped DLL

Blocklisted process makes network request

Executes dropped EXE

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://188.127.254.61/456777864234.exe

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/4d55542e34eec2465af7785b29aa93097401824fdb682cd8dd0d19141eaefdb6

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/118323/

Comments