MalwareBazaar Database

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

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 11 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:

IMG650617250.xls

Verdict:

Malicious activity

Analysis date:

2021-04-28 12:25:19 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/6a71d4fb-03f1-482d-a504-ade552dbb222

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.ms-excel

Has a screenshot:

False

Contains macros:

True

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/144955/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.CROStringGamesBangBang.20200908.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

Searching for the window

Creating a file

Delayed writing of the file

Creating a file in the %temp% subdirectories

Creating a file in the Windows subdirectories

Modifying a system file

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/dff5529765769f8c9881437dcce2ed3174ba9946fc4ae4897edac5460df3dd87/results/dashboard

Payload URLs

URL

File name

http://scaladevelopments.scaladevco.com/13Z/IMG_650_617_250.ex

ThisWorkbook

Document image

Image:

Download PNG

InQuest UNKNOWN

Result

Verdict:

UNKNOWN

Link:

https://labs.inquest.net/dfi/sha256/dff5529765769f8c9881437dcce2ed3174ba9946fc4ae4897edac5460df3dd87

Details

Macro with Startup Hook

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

Joe Sandbox Vidar

Result

Threat name:

Vidar

Alert

Create hunting rule

Detection:

malicious

Classification:

expl.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/700517

Signature

.NET source code contains potential unpacker

Creates an undocumented autostart registry key

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Downloads files with wrong headers with respect to MIME Content-Type

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

Machine Learning detection for dropped file

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Posts data to a JPG file (protocol mismatch)

Powershell drops PE file

Suspicious powershell command line found

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 steal Crypto Currency Wallets

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/dff5529765769f8c9881437dcce2ed3174ba9946fc4ae4897edac5460df3dd87/

ReversingLabs TitaniumCloud Script-Macro.Downloader.SLoad

Threat name:

Script-Macro.Downloader.SLoad

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-04-28 12:07:21 UTC

AV detection:

7 of 47 (14.89%)

Threat level:

  3/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=372vff3fo2pyzgebin64zyxngf2lvgkg7rfojcl63lcumdpt3wdq._file

Hatching Triage oski

Result

Malware family:

oski

Alert

Create hunting rule

Score:

  10/10

Tags:

family:oski discovery infostealer macro macro_on_action spyware stealer

Link:

https://tria.ge/reports/210428-jh1b7fwl1s/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Kills process with taskkill

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Drops file in Windows directory

Drops file in System32 directory

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Loads dropped DLL

Reads user/profile data of web browsers

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

Oski

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/dff5529765769f8c9881437dcce2ed3174ba9946fc4ae4897edac5460df3dd87

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/144955/

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