MalwareBazaar Database

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

Medical Equpment Order.xlsx

Verdict:

Malicious activity

Analysis date:

2020-12-17 07:53:38 UTC

Tags:

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

Link:

https://app.any.run/tasks/3e837b1f-645f-48a1-b26f-f8581b427c10

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

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

Launching cmd.exe command interpreter

Deleting a recently created file

Launching a file downloaded from the Internet

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Creating a process from a recently created file

Unauthorized injection to a system process

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/dd6a5782cb05511209d6848f75652c9c9e2a41fdc75bc074141b3511484231ed/results/dashboard

Document image

Image:

Download PNG

InQuest

Result

Gathering data

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/565056

Signature

Drops PE files to the user root directory

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)

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)

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

Yara detected AntiVM_3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/dd6a5782cb05511209d6848f75652c9c9e2a41fdc75bc074141b3511484231ed/

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

Threat name:

Document-Word.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Suspicious

First seen:

2020-12-17 07:47:08 UTC

AV detection:

17 of 47 (36.17%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3vvfpawlavirecowqshxkzjmtspcuqp5y5n4a5audm2rcsccghwq._file

Hatching Triage xloader

Result

Malware family:

xloader

Alert

Create hunting rule

Score:

  10/10

Tags:

family:formbook family:xloader loader rat spyware stealer trojan

Link:

https://tria.ge/reports/201217-59vjltd36n/

Behaviour

Enumerates system info in registry

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

Checks processor information in registry

Suspicious use of SetThreadContext

Loads dropped DLL

Uses the VBS compiler for execution

Blocklisted process makes network request

Executes dropped EXE

Xloader Payload

Formbook

Xloader

Malware Config

C2 Extraction:

http://www.saindustrialhemp.com/e66m/

VirusTotal

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

YOROI YOMI Formbook

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/dd6a5782cb05511209d6848f75652c9c9e2a41fdc75bc074141b3511484231ed

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.

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