MalwareBazaar Database

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

NEW ENQUIRY.xlsx

Verdict:

Malicious activity

Analysis date:

2021-02-02 06:13:39 UTC

Tags:

encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer

Link:

https://app.any.run/tasks/dfb55d2d-0bba-4d67-8107-16656c5aaf4c

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

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

DNS request

Sending a custom TCP request by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/9e03123673d817a0afb8ed73a033a8d9be815050b51408b316acb9069446e285/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 FormBook

Result

Threat name:

FormBook

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/596160

Signature

Antivirus detection for URL or domain

Drops PE files to the user root directory

Found malware configuration

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Modifies the prolog of user mode functions (user mode inline hooks)

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)

Queues an APC in another process (thread injection)

Sample uses process hollowing technique

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

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

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect virtualization through RDTSC time measurements

Yara detected AntiVM_3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9e03123673d817a0afb8ed73a033a8d9be815050b51408b316acb9069446e285/

ReversingLabs TitaniumCloud Document-Office.Exploit.Heuristic

Threat name:

Document-Office.Exploit.Heuristic

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-02-02 01:10:04 UTC

AV detection:

11 of 45 (24.44%)

Threat level:

  2/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tybrentt3al2bl5y5vz2am5i3g7icucqwukarmywvs4qnfcg4kcq._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

n/a

Link:

https://tria.ge/reports/210202-dcflnj4tpn/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Blocklisted process makes network request

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/9e03123673d817a0afb8ed73a033a8d9be815050b51408b316acb9069446e285

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