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 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

BitDam Malicious

Verdict:

Malicious

File type:

application/msword

Has a screenshot:

False

Contains macros:

True

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.PKIllDownRodeo.20220302.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.PKIllDownRodeo.M2.20220302.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.PKILLMSIInstallFridayNightFireFight.20230401.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending a custom TCP request

Creating a window

Сreating synchronization primitives

DNS request

Creating a file in the Windows subdirectories

Creating a file in the %temp% subdirectories

Launching a process

Creating a process with a hidden window

Moving a file to the %temp% subdirectory

Creating a process from a recently created file

Running batch commands

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/49a89b01989834ff1126f061cb875ee52f837f6cd27872a3f269dbaf17e97b2b/results/dashboard

Payload URLs

URL

File name

https://filebin.net/rf43v6qzghbj7h7b/TRY.msi

ThisDocument

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

advpack.dll cmd.exe control.exe expand.exe explorer.exe fingerprint macros macros-on-open rundll32.exe setupapi.dll shell32.dll

Link:

https://www.filescan.io/uploads/625fabb5482f2f41cad75b4a/reports/8aa53633-724b-4256-82d4-9bc9c961a250/overview

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

7.9/10

Score Malicious:

8%

Score Benign:

2%

Link:

https://www.malware.ai/gui/files/?id=37a19414-eafd-4aba-8e34-7300a22aaa6e

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/49a89b01989834ff1126f061cb875ee52f837f6cd27872a3f269dbaf17e97b2b

Details

Macro with Startup Hook

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

Document With Few Pages

Document contains between one and three pages of content. Most malicious documents are sparse in page count.

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...

Joe Sandbox malicious

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/979331

Signature

Antivirus detection for URL or domain

Document contains OLE streams with names of living off the land binaries

Document contains OLE streams with PE executables

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

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

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/49a89b01989834ff1126f061cb875ee52f837f6cd27872a3f269dbaf17e97b2b/

ReversingLabs TitaniumCloud Win32.Trojan.Valyria

Threat name:

Win32.Trojan.Valyria

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-04-20 03:17:24 UTC

File Type:

Document

Extracted files:

17

AV detection:

12 of 25 (48.00%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jgujwamyta2p6ejg6bq4xb264uxyg73m2j4hfi7snhn26f7jpmvq._file

Hatching Triage remcos

Result

Malware family:

remcos

Alert

Create hunting rule

Score:

  10/10

Tags:

family:remcos botnet:try discovery macro macro_on_action persistence rat

Link:

https://tria.ge/reports/220420-hhgy4adcg5/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Drops file in Windows directory

Adds Run key to start application

Enumerates connected drives

Loads dropped DLL

Modifies file permissions

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

Remcos

Malware Config

C2 Extraction:

bambam.hopto.org:2311

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/49a89b01989834ff1126f061cb875ee52f837f6cd27872a3f269dbaf17e97b2b

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.

Comments