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 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:

filled_table_revise_it-81443.xlsm

Verdict:

Malicious activity

Analysis date:

2021-07-28 10:13:43 UTC

Tags:

loader

Link:

https://app.any.run/tasks/81407b70-e771-4059-9e42-1fc4ce7777fa

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:

False

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/174616/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.EnjoyTheSilence.M2.20210317.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.QakBotCreep.20210706.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EnjoyTheSilence.20210716.UNOFFICIAL

Alert

Create hunting rule

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Excel4Macro

Link:

https://app.docguard.net/6cf97e438fd5be6092a4337dc225ce9a134b5afe2c10638ab09deca00589b813/results/dashboard

Payload URLs

URL

File name

http://feedbackdownload.today/44389,7571259259.jpg

sheet2.xml

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/6cf97e438fd5be6092a4337dc225ce9a134b5afe2c10638ab09deca00589b813

Details

Autostarting Excel Macro Sheet

Excel contains Macrosheet logic that will trigger automatically upon document open.

Joe Sandbox IcedID

Result

Threat name:

IcedID

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/823000

Signature

C2 URLs / IPs found in malware configuration

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Drops PE files to the user root directory

Found malware configuration

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

Office process drops PE file

Sigma detected: Microsoft Office Product Spawning Windows Shell

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

Tries to detect virtualization through RDTSC time measurements

Yara detected IcedID

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Gathering data

ReversingLabs TitaniumCloud Document-Office.Downloader.EncDoc

Threat name:

Document-Office.Downloader.EncDoc

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-07-28 08:50:56 UTC

AV detection:

8 of 26 (30.77%)

Threat level:

  3/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=nt4x4q4p2w7gbevegn64ejootijuwwx6fqighcvqtxwkabmjxajq._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210728-pn2abbssxe/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://feedbackdownload.today/44389,7571259259.jpg

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/6cf97e438fd5be6092a4337dc225ce9a134b5afe2c10638ab09deca00589b813

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/174616/

Comments