MalwareBazaar Database

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN

Malware family:

n/a

ID:

1

File name:

Purchase Order Price List.xlsx

Verdict:

No threats detected

Analysis date:

2021-06-08 06:25:13 UTC

Tags:

encrypted

Link:

https://app.any.run/tasks/b74044bd-9dff-49c7-a6a8-026b7df361db

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.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

False

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/165133/

ClamAV Detected

Detection(s):

PUA.Doc.Packed.EncryptedDoc-6563700-0

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

DNS request

Creating a file

Sending an HTTP GET request

Launching a file downloaded from the Internet

Creating a process from a recently created file

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/0fb9d2941fcb6d10158af985e601048bbf26d019bad9a5c9cd1f00676eb2105d/results/dashboard

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/0fb9d2941fcb6d10158af985e601048bbf26d019bad9a5c9cd1f00676eb2105d

Details

Macro Execution Coercion

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

Document With No Content

Document contains little or no semantic information.

Joe Sandbox Nanocore

Result

Threat name:

Nanocore

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/798500

Signature

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Creates an undocumented autostart registry key

Detected Nanocore Rat

Drops PE files to the user root directory

Found malware configuration

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

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Office equation editor drops PE file

Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)

Sigma detected: Droppers Exploiting CVE-2017-11882

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Execution from Suspicious Folder

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: NanoCore

Sigma detected: Suspicious Process Start Without DLL

Sigma detected: WScript or CScript Dropper

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

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected Costura Assembly Loader

Yara detected Nanocore RAT

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0fb9d2941fcb6d10158af985e601048bbf26d019bad9a5c9cd1f00676eb2105d/

ReversingLabs TitaniumCloud Document-OLE.Exploit.CVE-2018-0802

Threat name:

Document-OLE.Exploit.CVE-2018-0802

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-06-08 02:23:56 UTC

AV detection:

10 of 47 (21.28%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=b645ffa7znwrafmk7gc6maiero7snuazxlm2lsond4ago3vscboq._file

Hatching Triage nanocore

Result

Malware family:

nanocore

Alert

Create hunting rule

Score:

  10/10

Tags:

family:nanocore evasion keylogger spyware stealer trojan

Link:

https://tria.ge/reports/210608-h48sxfmc6e/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in System32 directory

Suspicious use of SetThreadContext

Checks whether UAC is enabled

Loads dropped DLL

Uses the VBS compiler for execution

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

NanoCore

Malware Config

C2 Extraction:

wekeepworking.sytes.net:1144
wekeepworking12.sytes.net:1144

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/0fb9d2941fcb6d10158af985e601048bbf26d019bad9a5c9cd1f00676eb2105d

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/165133/

  

URLhaus

https://urlhaus.abuse.ch/url/1339477/

  

Delivery method

Distributed via web download

  

URLhaus

https://urlhaus.abuse.ch/url/1344229/

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