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 25 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 Suspicious

Malware family:

n/a

ID:

1

File name:

Inv0209966048-20210111075675.xls

Verdict:

Suspicious activity

Analysis date:

2021-01-12 06:35:10 UTC

Tags:

macros macros-on-open macros40

Link:

https://app.any.run/tasks/b6d7109a-a361-420b-83cb-47b8678c76ac

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

Has a screenshot:

False

Contains macros:

True

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.DridexLivingInTheDaysOfThunder.2021011.UNOFFICIAL

Alert

Create hunting rule

Sanesecurity.Badmacro.Xls.Split1.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Creating a file in the %temp% directory

Creating a process with a hidden window

Sending a custom TCP request

Sending an HTTP GET request

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/01af3b5c1e2ed68272f542233aece70269a9e977815347a4b9c86bb2d97c086e/results/dashboard

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Details

Excel 4.0 Macro

Document contains Excel 4.0 macros (XLM). A valid, albeit dated feature, this document should be treated with suspicion.

Joe Sandbox Hidden Macro 4.0 Dridex

Result

Threat name:

Hidden Macro 4.0 Dridex

Alert

Create hunting rule

Detection:

malicious

Classification:

bank.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/578603

Signature

Detected Dridex e-Banking trojan

Document contains an embedded VBA macro which may execute processes

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Found Excel 4.0 Macro with suspicious formulas

Found malware configuration

Machine Learning detection for dropped file

Multi AV Scanner detection for submitted file

Office process drops PE file

Sigma detected: BlueMashroom DLL Load

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Regsvr32 Anomaly

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)

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/01af3b5c1e2ed68272f542233aece70269a9e977815347a4b9c86bb2d97c086e/

ReversingLabs TitaniumCloud Script-Macro.Trojan.Remcos

Threat name:

Script-Macro.Trojan.Remcos

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-01-12 04:28:49 UTC

File Type:

Document

Extracted files:

37

AV detection:

16 of 46 (34.78%)

Threat level:

  5/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=agxtwxa6f3lie4xviirtv3hhaju2t2lxqfjupjfzzbv3fwl4bbxa._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

macro

Link:

https://tria.ge/reports/210112-4cct3qzpp2/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Office loads VBA resources, possible macro or embedded object present

Process spawned suspicious child process

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://salonprem.ru/op291r.rar

VirusTotal

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

YOROI YOMI Remcos

Threat name:

Remcos

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/01af3b5c1e2ed68272f542233aece70269a9e977815347a4b9c86bb2d97c086e

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