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 10 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:

Account dept Payment advice.xls

Verdict:

Malicious activity

Analysis date:

2021-10-09 06:21:19 UTC

Tags:

macros macros-on-open opendir loader rat remcos keylogger

Link:

https://app.any.run/tasks/0085201a-4b19-414b-8e35-5b35ece6b7dc

Note:

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

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/196262/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.DOCXSTRGOOD.HTTP

Alert

Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.START-BITSTRANSFER.210729.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.CHR_AEONONANDON.20210930.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.OdysseyAndBattle.20210707.UNOFFICIAL

Alert

Create hunting rule

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/9927a67f3e7ad9c702ed5bfb3c3af153c00dfaf6e1c5522e10a74b636037a063/results/dashboard

Document image

Image:

Download PNG

FileScan.IO Suspicious

Verdict:

Suspicious

Threat level:

  5/10

Confidence:

100%

Tags:

macros macros-on-open

Link:

https://www.filescan.io/uploads/6161345addf069d1b6a4e9f5/reports/0170b21c-3667-41dc-8c19-b1d72355c549/overview

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/9927a67f3e7ad9c702ed5bfb3c3af153c00dfaf6e1c5522e10a74b636037a063

Details

Macro with Startup Hook

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

Macro with File System Write

Detected macro logic that can write data to the file system.

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:

expl.evad

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/867365

Signature

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

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

Sigma detected: Microsoft Office Product Spawning Windows Shell

Yara detected Obfuscated Powershell

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9927a67f3e7ad9c702ed5bfb3c3af153c00dfaf6e1c5522e10a74b636037a063/

ReversingLabs TitaniumCloud Document-Office.Trojan.Mragg

Threat name:

Document-Office.Trojan.Mragg

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-10-08 22:55:44 UTC

File Type:

Document

Extracted files:

14

AV detection:

18 of 44 (40.91%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tet2m7z6plm4oaxnlp5tyoxrkpaa36xw4hcvelqqu5fwgybxubrq._file

Hatching Triage remcos

Result

Malware family:

remcos

Alert

Create hunting rule

Score:

  10/10

Tags:

family:remcos botnet:remotehost macro macro_on_action persistence rat xlm

Link:

https://tria.ge/reports/211009-g27s7afbbn/

Behaviour

Checks processor information in registry

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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetThreadContext

Adds Run key to start application

Downloads MZ/PE file

Executes dropped EXE

Process spawned unexpected child process

Remcos

Malware Config

C2 Extraction:

lplazadtemins.duckdns.org:443

Dropper Extraction:

http://thepunchlineexpose.com/Manager/AnyDesk.exe

VMRay Remcos

Malware family:

Remcos

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/9927a67f3e7a/report/overview.html

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:

0.80

Link:

https://yomi.yoroi.company/submissions/9927a67f3e7ad9c702ed5bfb3c3af153c00dfaf6e1c5522e10a74b636037a063

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.

Cape

https://www.capesandbox.com/analysis/196262/

Comments