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 10 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

BitDam Malicious

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/182377/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.DOCXSTRGOOD.HTTPS

Alert

Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.START-BITSTRANSFER.210729.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Transferring files using the Background Intelligent Transfer Service (BITS)

DNS request

Connection attempt

Sending a custom TCP request

Enabling the 'hidden' option for recently created files

Moving a recently created file

Creating a process from a recently created file

Creating a file in the Windows subdirectories

Launching a process

Sending a UDP request

Changing a file

Setting a global event handler

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Searching for the window

Forced system process termination

Creating a file in the %temp% directory

Reading critical registry keys

Deleting a recently created file

Using BITS transfer job for data transfer

Unauthorized injection to a recently created process

Blocking the User Account Control

Unauthorized injection to a recently created process by context flags manipulation

Launching a tool to kill processes

Stealing user critical data

Running batch commands by exploiting the app vulnerability

Adding exclusions to Windows Defender

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/d4968072ed107486d2b505f5f0cb5ec4f5d166770ada4dc22c9f91600b739e59/results/dashboard

Document image

Image:

Download PNG

InQuest UNKNOWN

Result

Verdict:

UNKNOWN

Link:

https://labs.inquest.net/dfi/sha256/d4968072ed107486d2b505f5f0cb5ec4f5d166770ada4dc22c9f91600b739e59

Details

Macro with Startup Hook

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

Macro with File System Write

Detected macro logic that can write data to the file system.

Macro Contains Suspicious String

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

Joe Sandbox RedLine

Result

Threat name:

RedLine

Alert

Create hunting rule

Detection:

malicious

Classification:

expl.evad.troj.spyw

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/839253

Signature

Adds a directory exclusion to Windows Defender

Connects to many ports of the same IP (likely port scanning)

Document contains an embedded VBA with hexadecimal encoded strings

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Injects a PE file into a foreign processes

Sigma detected: Execution from Suspicious Folder

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Powershell Defender Exclusion

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

Yara detected AntiVM3

Yara detected Obfuscated Powershell

Yara detected RedLine Stealer

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d4968072ed107486d2b505f5f0cb5ec4f5d166770ada4dc22c9f91600b739e59/

ReversingLabs TitaniumCloud Document-Office.Downloader.SLoad

Threat name:

Document-Office.Downloader.SLoad

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-08-25 17:27:06 UTC

AV detection:

4 of 46 (8.70%)

Threat level:

  3/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2slia4xncb2inuvvax27bs26yt25cztxblne3qrmt6iwac3ttzmq._file

Hatching Triage redline

Result

Malware family:

redline

Alert

Create hunting rule

Score:

  10/10

Tags:

family:redline evasion infostealer macro macro_on_action spyware trojan

Link:

https://tria.ge/reports/210825-8kmyczpwga/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Program crash

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Downloads MZ/PE file

Process spawned unexpected child process

RedLine

RedLine Payload

UAC bypass

Windows security bypass

Malware Config

C2 Extraction:

2.56.59.235:46182

Dropper Extraction:

https://cdn.discordapp.com/attachments/873262423900037212/879667711796445194/dock.exe

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/d4968072ed10/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/d4968072ed107486d2b505f5f0cb5ec4f5d166770ada4dc22c9f91600b739e59

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 link

Cape

https://www.capesandbox.com/analysis/182377/

Comments