MalwareBazaar Database

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

RFQ MEDICAL EQUIPMENT ORDER.xlsx

Verdict:

Malicious activity

Analysis date:

2021-03-09 08:57:13 UTC

Tags:

encrypted exploit CVE-2017-11882 loader

Link:

https://app.any.run/tasks/a67b56a7-0be5-462d-b959-cf8519ee9f91

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/123113/

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

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/cda11c8be2f8b495746e3c169ae038b9e8f857fd9945d2135a10a542ec9d867f/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/632415

Signature

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

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

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)

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

Tries to detect virtualization through RDTSC time measurements

Uses netstat to query active network connections and open ports

Yara detected AntiVM_3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Gathering data

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

Threat name:

Document-Office.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-03-09 08:55:09 UTC

AV detection:

16 of 47 (34.04%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zwqrzc7c7c2jk5dohqljvybyxhupqv75tfc5ee22ccsuf3e5qz7q._file

Hatching Triage formbook

Result

Malware family:

formbook

Alert

Create hunting rule

Score:

  10/10

Tags:

family:formbook rat spyware stealer trojan

Link:

https://tria.ge/reports/210309-e8ewgxmsjn/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Gathers network information

Launches Equation Editor

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

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

Formbook Payload

Formbook

Malware Config

C2 Extraction:

http://www.fessuseyyesseee.com/mdi/

VirusTotal

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

YOROI YOMI Exploit

Threat name:

Exploit

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/cda11c8be2f8b495746e3c169ae038b9e8f857fd9945d2135a10a542ec9d867f

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.

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/123113/

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