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 7 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:

Invoice_8384252.xlsm

Verdict:

Malicious activity

Analysis date:

2021-07-27 08:49:56 UTC

Tags:

macros macros-on-open loader

Link:

https://app.any.run/tasks/6269845b-847e-44de-83d3-084020e7f8d3

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.sheet.macroEnabled.12

Has a screenshot:

False

Contains macros:

True

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/174293/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.ShellEnvEncoderCarlessWhisper.20200515.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.AutoTriggerEvilMrFantasyM3.20200721.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EvilMrFantasyIceIsNiceEdition.20200806.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Creating a file

Creating a process with a hidden window

DNS request

Connection attempt

Launching a process

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/b556487ae4d889236c1626083b0c9d45a29a5c3bc4e087bf2e3245b6a18ed2db/results/dashboard

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/b556487ae4d889236c1626083b0c9d45a29a5c3bc4e087bf2e3245b6a18ed2db

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 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 Dridex

Result

Threat name:

Dridex

Alert

Create hunting rule

Detection:

malicious

Classification:

spre.troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/822216

Signature

C2 URLs / IPs found in malware configuration

Document contains an embedded VBA macro with suspicious strings

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

Found malware configuration

Found PHP interpreter

Machine Learning detection for dropped file

Microsoft Office creates scripting files

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)

Sigma detected: Microsoft Office Product Spawning Windows Shell

Tries to delay execution (extensive OutputDebugStringW loop)

Uses known network protocols on non-standard ports

Yara detected Dridex unpacked file

Yara detected VBS Downloader Generic

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Gathering data

ReversingLabs TitaniumCloud Document-Office.Infostealer.Dridex

Threat name:

Document-Office.Infostealer.Dridex

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-07-27 02:41:59 UTC

File Type:

Document

Extracted files:

23

AV detection:

11 of 46 (23.91%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wvleq6xe3cesg3aweyedwde5iwrjuxb3ytqippzogjc3nimo2lnq._file

Hatching Triage dridex

Result

Malware family:

dridex

Alert

Create hunting rule

Score:

  10/10

Tags:

family:dridex botnet:22201 botnet evasion loader macro trojan

Link:

https://tria.ge/reports/210727-hrlyyq5mxe/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Checks whether UAC is enabled

Loads dropped DLL

Blocklisted process makes network request

Downloads MZ/PE file

Dridex Loader

Dridex

Process spawned unexpected child process

Malware Config

C2 Extraction:

45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443

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/b556487ae4d889236c1626083b0c9d45a29a5c3bc4e087bf2e3245b6a18ed2db

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/174293/

Comments