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 20 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:

Purchase Orders - Foreign_000000000058560.doc

Verdict:

Malicious activity

Analysis date:

2021-03-10 12:25:50 UTC

Tags:

macros macros-on-open loader trojan stealer rat avemaria

Link:

https://app.any.run/tasks/15bbba14-0bf9-47bf-8a05-babf50c231cc

Note:

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

BitDam Malicious

Verdict:

Malicious

File type:

application/msword

Has a screenshot:

False

Contains macros:

True

ClamAV Detected

Detection(s):

SecuriteInfo.com.Scr.Malcodegen9.4415.17298.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

Sending an HTTP GET request

Launching cmd.exe command interpreter

Creating a file in the %AppData% directory

Creating a process from a recently created file

Launching a process by exploiting the app vulnerability

Launching a file downloaded from the Internet

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/3cac6c728bcd37d6b403146bbee3c1f039cf166e3b832df9021bf03beeb72227/results/dashboard

Payload URLs

URL

File name

Project.ThisDocument.DOCUMenT_opeN

1Table

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.

Document With Few Pages

Document contains between one and three pages of content. Most malicious documents are sparse in page count.

IPv4 Dotted Quad URL

A URL was detected referencing a direct IP address, as opposed to a domain name.

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.

Joe Sandbox AveMaria

Result

Threat name:

AveMaria

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/634321

Signature

Antivirus detection for URL or domain

Contains functionality to hide user accounts

Document exploit detected (process start blacklist hit)

Encrypted powershell cmdline option found

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

PowerShell case anomaly found

Powershell drops PE file

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: rundll32 run dll from internet

Sigma detected: Scheduled temp file as task from temp location

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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

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

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM_3

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Gathering data

ReversingLabs TitaniumCloud Document-Office.Trojan.Woreflint

Threat name:

Document-Office.Trojan.Woreflint

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-03-10 12:20:18 UTC

AV detection:

6 of 47 (12.77%)

Threat level:

  5/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hswgy4ulzu35nnadcrv35y6b6a446ftohobs36icdpydx3vxeitq._file

Hatching Triage warzonerat

Result

Malware family:

warzonerat

Alert

Create hunting rule

Score:

  10/10

Tags:

family:warzonerat infostealer macro rat

Link:

https://tria.ge/reports/210310-d8lrm1qhkn/

Behaviour

Checks processor information in registry

Creates scheduled task(s)

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

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

Enumerates physical storage devices

Drops file in Windows directory

Suspicious use of SetThreadContext

Loads dropped DLL

Blocklisted process makes network request

Executes dropped EXE

Warzone RAT Payload

Process spawned unexpected child process

WarzoneRat, AveMaria

Malware Config

C2 Extraction:

137.116.87.64:8400

Dropper Extraction:

http://165.22.91.233/file/doc.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/3cac6c728bcd37d6b403146bbee3c1f039cf166e3b832df9021bf03beeb72227

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