MalwareBazaar Database

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id

OLE dump

MalwareBazaar was able to identify 9 sections in this file using oledump:

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

RFQ.xlsm

Verdict:

Malicious activity

Analysis date:

2022-09-05 07:27:12 UTC

Tags:

macros macros-on-open loader

Link:

https://app.any.run/tasks/31468049-ec37-4f81-aab9-e7b2cdf9cc3e

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/307877/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.DiscordCDNAbuseFinalLap.20210817.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.CertUtilFadeAway.20220102.UNOFFICIAL

Alert

Create hunting rule

Xls.Dropper.EPPlus-9802867-2

Alert

Create hunting rule

TwinWave.EvilDoc.OkayLureDefenderXL.20220418.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Launching a process

DNS request

Creating a file

Running batch commands by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/42a5596ce75dd6798e7a5564fa6741abd1f8418683ea576f399627b039a393be/results/dashboard

Payload URLs

URL

File name

https://cdn.discordapp.com/attachments/1015550142734159955/1016204043674210314/Niawhqzz.exe

ThisWorkbook

Behaviour

BlacklistAPI detected

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

certutil certutil.exe cmd macros macros-on-open

Link:

https://www.filescan.io/uploads/6315e9738e11a57db5799469/reports/17c13a31-fa85-4f29-8a1d-540f466e68b2/overview

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

9.6/10

Score Malicious:

97%

Score Benign:

3%

Link:

https://www.malware.ai/gui/files/?id=ced1ea65-d946-4f2c-a433-7f2438f291e6

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/42a5596ce75dd6798e7a5564fa6741abd1f8418683ea576f399627b039a393be

Details

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

InQuest Machine Learning

An InQuest machine-learning model classified this macro as potentially malicious.

External Relationship Element

Document contains an externally hosted relationship, which fetches further content.

Joe Sandbox AsyncRAT, BluStealer, SpyEx, StormKitty

Result

Threat name:

AsyncRAT, BluStealer, SpyEx, StormKitty

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1065148

Signature

.NET source code contains potential unpacker

Allocates memory in foreign processes

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA with hexadecimal encoded strings

Document exploit detected (process start blacklist hit)

Drops PE files to the document folder of the user

Encrypted powershell cmdline option found

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

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

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

Tries to steal Mail credentials (via file / registry access)

Writes to foreign memory regions

Yara detected AsyncRAT

Yara detected BluStealer

Yara detected Generic Downloader

Yara detected Generic Dropper

Yara detected MSILDownloaderGeneric

Yara detected SpyEx stealer

Yara detected StormKitty Stealer

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/42a5596ce75dd6798e7a5564fa6741abd1f8418683ea576f399627b039a393be/

ReversingLabs TitaniumCloud Script-Macro.Downloader.Powdow

Threat name:

Script-Macro.Downloader.Powdow

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-09-05 09:03:22 UTC

File Type:

Document

Extracted files:

50

AV detection:

15 of 39 (38.46%)

Threat level:

  3/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iksvs3hhlxlhtdt2kvspuz2bvpi7qqmgqpvfo3zzsyt3aondso7a._file

Hatching Triage stormkitty

Result

Malware family:

stormkitty

Alert

Create hunting rule

Score:

  10/10

Tags:

family:blustealer family:stormkitty collection persistence stealer

Link:

https://tria.ge/reports/220905-pgln8abdf3/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Checks computer location settings

Downloads MZ/PE file

Executes dropped EXE

BluStealer

Process spawned unexpected child process

StormKitty

StormKitty payload

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/42a5596ce75d/report/overview.html

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/42a5596ce75dd6798e7a5564fa6741abd1f8418683ea576f399627b039a393be

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/307877/

Comments