MalwareBazaar Database

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

NEW CONTRACT NO. CF-KD2021115.xlsx

Verdict:

Malicious activity

Analysis date:

2021-02-11 09:28:35 UTC

Tags:

encrypted opendir exploit CVE-2017-11882 loader

Link:

https://app.any.run/tasks/5607806e-41b4-41cb-bcf9-191ce51be455

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/116745/

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 file

Using the Windows Management Instrumentation requests

Moving a file to the %temp% directory

Creating a window

Launching a process

Sending an HTTP GET request

Launching a file downloaded from the Internet

Unauthorized injection to a recently created process by context flags manipulation

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/4c648b477314df397957622b432bf0c2f4f64ed3140522ddcca2afb3f8403347/results/dashboard

Payload URLs

URL

File name

http://www.day.com/dam/1.0

Microsoft_Office_Word_Macro-Enabled_Document1.docm

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

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 AgentTesla

Result

Threat name:

AgentTesla

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/605566

Signature

.NET source code contains very large array initializations

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Drops PE files to the user root directory

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Multi AV Scanner detection for dropped file

Office equation editor drops PE file

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

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Sigma detected: Droppers Exploiting CVE-2017-11882

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Executables Started in Suspicious Folder

Sigma detected: Execution in Non-Executable Folder

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Suspicious Program Location Process Starts

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4c648b477314df397957622b432bf0c2f4f64ed3140522ddcca2afb3f8403347/

ReversingLabs TitaniumCloud Document-Office.Exploit.CVE-2017-11882

Threat name:

Document-Office.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-02-11 10:08:25 UTC

AV detection:

16 of 29 (55.17%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jrsiwr3tctpts6kxmivugk7qyl2pmtwtcqcsfxomukx3h6cagndq._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

n/a

Link:

https://tria.ge/reports/210211-l252r8x2ye/

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 use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Loads dropped DLL

Uses the VBS compiler for execution

Blocklisted process makes network request

Executes dropped EXE

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/4c648b477314df397957622b432bf0c2f4f64ed3140522ddcca2afb3f8403347

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.

any.run

https://app.any.run/tasks/e1304ffe-b338-42f0-96da-d054dd83989c

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/116745/

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