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:

3a37cd1e63b08dd55f5be2c2639f7a5c

Verdict:

Malicious activity

Analysis date:

2021-01-13 14:53:45 UTC

Tags:

macros macros-on-open generated-doc emotet-doc emotet loader trojan

Link:

https://app.any.run/tasks/78deaf0d-97ae-43e7-ab63-4d22d77033fe

Note:

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

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.EMOCROSnakeCharmer.20201103.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EMOLastLevelLastLife.20210112.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EMOTheMidnightReplMonsters.20210113.UNOFFICIAL

Alert

Create hunting rule

Doc.Dropper.EmotetRed1220-9816007-0

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

Running batch commands

Launching a process

DNS request

Sending a custom TCP request

Creating a file

Moving a file to the Windows subdirectory

Deleting a recently created file

Possible injection to a system process

Launching a process by exploiting the app vulnerability

Sending an HTTP GET request to an infection source

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/a82aee5b05a1f8714068bf50b59b239fd6119efc6f5759385763c2080ac69c9d/results/dashboard

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.

Macro Execution Coercion

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

Joe Sandbox malicious

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/581398

Signature

Antivirus detection for URL or domain

Creates processes via WMI

Document contains an embedded VBA with many GOTO operations indicating source code obfuscation

Document contains an embedded VBA with many randomly named variables

Encrypted powershell cmdline option found

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

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)

Potential dropper URLs found in powershell memory

PowerShell case anomaly found

Powershell drops PE file

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

Suspicious powershell command line found

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

Very long command line found

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB emotet

Detection:

emotet

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/a82aee5b05a1f8714068bf50b59b239fd6119efc6f5759385763c2080ac69c9d/

ReversingLabs TitaniumCloud Script-Macro.Trojan.Emotet

Threat name:

Script-Macro.Trojan.Emotet

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-01-12 18:08:25 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=vavo4wyfuh4hcqdix5illgzdt7lbdhx4n5lvsocxmpbaqcwgtsoq._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210114-ppv1pfzxza/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Office loads VBA resources, possible macro or embedded object present

Drops file in Windows directory

Drops file in System32 directory

Loads dropped DLL

Blocklisted process makes network request

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://shulovbaazar.com/c/bcL6/
https://mybusinessevent.com/tiki-install/e/
http://uhk.cncranes.com/ErrorPages/3/
https://capturetheaction.com.au/wp-includes/Yjp/
https://thenetworker.ca/comment/8N4/
https://trayonlinegh.com/cgi-bin/HBPR/
http://mmo.martinpollock.co.uk/a/SQSGg/

VirusTotal

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

YOROI YOMI Emotet

Threat name:

Emotet

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a82aee5b05a1f8714068bf50b59b239fd6119efc6f5759385763c2080ac69c9d

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