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 13 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

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

Administrator Notification_ Redirecting email with malware.msg

Verdict:

Malicious activity

Analysis date:

2020-12-14 15:02:38 UTC

Tags:

loader trojan rat stealer avemaria

Link:

https://app.any.run/tasks/e98c4667-ee6a-46c5-9402-1b48f879058b

Note:

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

BitDam Malicious

Verdict:

Malicious

File type:

application/vnd.ms-excel.sheet.macroEnabled.12

Has a screenshot:

False

Contains macros:

True

ClamAV Detected

Detection(s):

SecuriteInfo.com.VBA.Heur.ObfDldr.18.48DE6B7E.Gen.14164.28650.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

DNS request

Sending an HTTP GET request

Creating a file in the %AppData% directory

Creating a process from a recently created file

Running batch commands

Launching a process

Creating a file

Launching cmd.exe command interpreter

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Setting a keyboard event handler

Deleting a recently created file

Reading critical registry keys

Launching a service

Sending a TCP request to an infection source

Unauthorized injection to a recently created process by context flags manipulation

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

Stealing user critical data

Running batch commands by exploiting the app vulnerability

Launching a file downloaded from the Internet

Enabling autorun by creating a file

Unauthorized injection to a system process

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/2d3ae2433150173542724e0921aef549e895ec17b3eab20e0ed2eea41ad02ab6/results/dashboard

Document image

Image:

Download PNG

InQuest

Result

Gathering data

Joe Sandbox AveMaria

Result

Threat name:

AveMaria

Alert

Create hunting rule

Detection:

malicious

Classification:

phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/562107

Signature

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Antivirus detection for URL or domain

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

Contains functionality to hide user accounts

Contains functionality to inject threads in other processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal e-mail passwords

Creates a thread in another existing process (thread injection)

Creates files in alternative data streams (ADS)

Creates processes via WMI

Detected unpacking (creates a PE file in dynamic memory)

Document contains an embedded VBA macro with suspicious strings

Document exploit detected (process start blacklist hit)

Drops script or batch files to the startup folder

Found evasive API chain (may stop execution after checking mutex)

Found evasive API chain checking for user administrative privileges

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

Increases the number of concurrent connection per server for Internet Explorer

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Powershell drops PE file

Sigma detected: Drops script at startup location

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Powershell download file and shellexecute

Suspicious powershell command line found

Tries to download and execute files (via powershell)

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

Tries to steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2d3ae2433150173542724e0921aef549e895ec17b3eab20e0ed2eea41ad02ab6/

ReversingLabs TitaniumCloud Script-Macro.Trojan.EncDoc

Threat name:

Script-Macro.Trojan.EncDoc

Alert

Create hunting rule

Status:

Malicious

First seen:

2020-12-14 12:19:16 UTC

AV detection:

17 of 29 (58.62%)

Threat level:

  5/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fu5oeqzrkaltkqtsjyesdlxvjhujl3axwpvledqo2lxkigwqfk3a._file

Hatching Triage warzonerat

Result

Malware family:

warzonerat

Alert

Create hunting rule

Score:

  10/10

Tags:

family:warzonerat infostealer persistence rat spyware

Link:

https://tria.ge/reports/201214-42jn48dxxs/

Behaviour

Delays execution with timeout.exe

Enumerates system info in registry

Modifies Internet Explorer settings

NTFS ADS

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetThreadContext

Adds Run key to start application

JavaScript code in executable

Drops startup file

Loads dropped DLL

Reads user/profile data of web browsers

Blocklisted process makes network request

Executes dropped EXE

Warzone RAT Payload

ServiceHost packer

Process spawned unexpected child process

WarzoneRat, AveMaria

Malware Config

Dropper Extraction:

http://esquinerosaguilarlerma.com/x/heavy.exe

VirusTotal

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

YOROI YOMI Virus

Threat name:

Virus

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/2d3ae2433150173542724e0921aef549e895ec17b3eab20e0ed2eea41ad02ab6

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