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 9 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:

Purchase order.xlsm

Verdict:

Malicious activity

Analysis date:

2022-05-31 09:36:31 UTC

Tags:

macros macros-on-open loader

Link:

https://app.any.run/tasks/9757d732-3a2f-4c32-b65a-955a3cf1cb1a

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 NanoCore

Detection:

NanoCore

Alert

Create hunting rule

Link:

https://www.capesandbox.com/analysis/275682/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.PublicDottedQuadDLrRunLikeHell.20210223.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.CertUtilFadeAway.20220102.UNOFFICIAL

Alert

Create hunting rule

Xls.Dropper.EPPlus-9802867-2

Alert

Create hunting rule

TwinWave.EvilDoc.OkayLureDefenderXL.20220418.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Launching a process

Creating a file

Creating a process from a recently created file

Running batch commands

Unauthorized injection to a recently created process

Running batch commands by exploiting the app vulnerability

Sending an HTTP GET request to an infection source

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/71414c20e9101a9f9e630f99fa0e0c080b0e3cbf4711fcaa99931354cdd663f2/results/dashboard

Payload URLs

URL

File name

http://2.58.149.2/PUTY.EXE

ThisWorkbook

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

certutil certutil.exe cmd macros macros-on-open packed

Link:

https://www.filescan.io/uploads/6295df78370bb1455cd3d5e4/reports/fcbd1773-2177-4c7c-9808-a437fbe822c3/overview

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

9.6/10

Score Malicious:

97%

Score Benign:

3%

Link:

https://www.malware.ai/gui/files/?id=a8111f3d-612e-4f22-8360-54525f98e830

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/71414c20e9101a9f9e630f99fa0e0c080b0e3cbf4711fcaa99931354cdd663f2

Details

Macro with Startup Hook

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

IPv4 Dotted Quad URL

A URL was detected referencing a direct IP address, as opposed to a domain name.

Macro Contains Suspicious String

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

InQuest Machine Learning

An InQuest machine-learning model classified this macro as potentially malicious.

External Relationship Element

Document contains an externally hosted relationship, which fetches further content.

Joe Sandbox Nanocore

Result

Threat name:

Nanocore

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1004099

Signature

.NET source code contains potential unpacker

Allocates memory in foreign processes

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected Nanocore Rat

Document contains an embedded VBA macro which may execute processes

Document exploit detected (process start blacklist hit)

Drops PE files to the document folder of the user

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: NanoCore

Snort IDS alert for network traffic

System process connects to network (likely due to code injection or exploit)

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

Uses dynamic DNS services

Writes to foreign memory regions

Yara detected Costura Assembly Loader

Yara detected Nanocore RAT

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/71414c20e9101a9f9e630f99fa0e0c080b0e3cbf4711fcaa99931354cdd663f2/

ReversingLabs TitaniumCloud Script-Macro.Trojan.SDownloader

Threat name:

Script-Macro.Trojan.SDownloader

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-05-31 09:27:07 UTC

File Type:

Document

Extracted files:

50

AV detection:

9 of 40 (22.50%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ofauyihjcanj7htdb6m7udqmbafq4pf7i4i7zkuzsmjvjtowmpza._file

Hatching Triage nanocore

Result

Malware family:

nanocore

Alert

Create hunting rule

Score:

  10/10

Tags:

family:nanocore keylogger spyware stealer trojan

Link:

https://tria.ge/reports/220531-les4qsaha4/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

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

Enumerates physical storage devices

Program crash

Suspicious use of SetThreadContext

Checks computer location settings

Loads dropped DLL

Downloads MZ/PE file

Executes dropped EXE

NanoCore

Process spawned unexpected child process

Malware Config

C2 Extraction:

lovemebygift.ddns.net:54984
127.0.0.1:54984

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/71414c20e9101a9f9e630f99fa0e0c080b0e3cbf4711fcaa99931354cdd663f2

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/275682/

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