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 13 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

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/117648/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.StopCryingYourHeartOut.20210216.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.WhatItSoundsLikeWhenEncodersCry.20210216.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

Launching a process

DNS request

Sending an HTTP GET request

Creating a file in the %AppData% directory

Creating a process from a recently created file

Searching for the window

Connection attempt

Unauthorized injection to a recently created process by context flags manipulation

Launching the process to change the firewall settings

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Running batch commands by exploiting the app vulnerability

Enabling autorun by creating a file

DocGuard Suspicious

Result

Verdict:

Suspicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/973e51a1f7437e25537b2b355779653cbc82866df0185e3549eb3fc0b7accd39/results/dashboard

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Details

Macro with Startup Hook

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

Macro Execution Coercion

Detected a document that appears to social engineer the user into activating embedded logic.

Macro Contains Suspicious String

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

Document With No Content

Document contains little or no semantic information.

Joe Sandbox malicious

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/611061

Signature

Document contains an embedded VBA with many string operations indicating source code obfuscation

Document exploit detected (process start blacklist hit)

Encrypted powershell cmdline option found

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Sigma detected: Microsoft Office Product Spawning Windows Shell

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/973e51a1f7437e25537b2b355779653cbc82866df0185e3549eb3fc0b7accd39/

ReversingLabs TitaniumCloud Script-Macro.Trojan.Valyria

Threat name:

Script-Macro.Trojan.Valyria

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-02-18 06:27:21 UTC

AV detection:

19 of 48 (39.58%)

Threat level:

  5/5

Spamhaus Hash Blocklist

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=s47fdipxin7cku33fm2vo6lfhs6ifbtn6amf4nkj5m74bn5mzu4q._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

agilenet evasion macro persistence

Link:

https://tria.ge/reports/210218-mjjt5ag786/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Drops startup file

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Blocklisted process makes network request

Executes dropped EXE

Modifies Windows Firewall

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://www.zhuoxinwei.com/bb.exe

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/973e51a1f7437e25537b2b355779653cbc82866df0185e3549eb3fc0b7accd39

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.

  

URLhaus

https://urlhaus.abuse.ch/url/1017170/

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/117648/

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