MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0de024c6e02e0a0dab097d73ee86a7ec915cbb875628e419c57a360403c9b674. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

Ousaban

Vendor detections: 5

Intelligence 5 IOCs YARA 1 File information Comments 2

SHA256 hash:	0de024c6e02e0a0dab097d73ee86a7ec915cbb875628e419c57a360403c9b674
SHA3-384 hash:	3b6168bd80fb540543771f5f99aa28df5d5636af3e9fe648c3733b2383a807d5bf876543952d322d3914944c03341186
SHA1 hash:	b69a4e5d9b0ea1537b252695aab7df509d0ef9da
MD5 hash:	2baf10125db8693c8ce8815d15518079
humanhash:	single-mobile-king-maryland
File name:	bra.msi
Download:	download sample
Signature	Ousaban Create hunting rule
File size:	357'376 bytes
First seen:	2021-09-16 10:23:14 UTC
Last seen:	Never
File type:	msi
MIME type:	application/x-msi
ssdeep	3072:kCpygYXkj7q0vTYDryOhVnhvzU6ij4qpXqnnDibAJBVkL9FY5An3DRL6+WFOdf:kCvizvzTqp4nwEeY5An3DRLyO
Threatray	135 similar samples on MalwareBazaar
TLSH	T15E74C7C477C2C52BD5CE0A33AF42A7F69276D86795C4B20B86587A4D1CFC287C2A2DD0
Reporter	ankit_anubhav
Tags:	banker brazil msi ousaban

Intelligence

File Origin

# of uploads :

# of downloads :

184

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/188398/

Detection(s):

SecuriteInfo.com.Trojan-Spy.Agent.22897.UNOFFICIAL

SecuriteInfo.com.JS.Obfus-1914.UNOFFICIAL

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/617521bbdb358dd15ed926b9/reports/1b7c2181-fcf2-4804-b85d-5b42d21c1ff9/overview

Result

Verdict:

UNKNOWN

Link:

https://labs.inquest.net/dfi/sha256/0de024c6e02e0a0dab097d73ee86a7ec915cbb875628e419c57a360403c9b674

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

Unknown

Detection:

malicious

Classification:

n/a

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/851985

Signature

Antivirus detection for dropped file

Machine Learning detection for dropped file

PE file has nameless sections

Powershell creates an autostart link

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0de024c6e02e0a0dab097d73ee86a7ec915cbb875628e419c57a360403c9b674/

Threat name:

Script.Trojan.Heuristic

Status:

Malicious

First seen:

2021-09-16 10:24:14 UTC

AV detection:

1 of 39 (2.56%)

Threat level:

2/5

Verdict:

malicious

Result

Malware family:

n/a

Score:

8/10

Tags:

bootkit macro persistence xlm

Link:

https://tria.ge/reports/210916-mfdk4sffcp/

Behaviour

Script User-Agent

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Windows directory

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Adds Run key to start application

Enumerates connected drives

Looks up external IP address via web service

Writes to the Master Boot Record (MBR)

Drops startup file

Loads dropped DLL

Blocklisted process makes network request

Executes dropped EXE

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.31

Link:

https://yomi.yoroi.company/submissions/0de024c6e02e0a0dab097d73ee86a7ec915cbb875628e419c57a360403c9b674

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.

Rule name:	suspicious_msi_file Create hunting rule
Author:	Johnk3r
Description:	Detects common strings, DLL and API in Banker_BR

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Ousaban

msi 0de024c6e02e0a0dab097d73ee86a7ec915cbb875628e419c57a360403c9b674

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/188398/

Comments

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Ankit Anubhav commented on 2021-09-18 07:28:02 UTC

Look for the "\Programs\Startup';Start-Sleep -s 60;Invoke-Item %RANDOM_FILE_NAME%.lnk' and creation of Avira.exe (legit) and Avira.OE.NativeCore.dll (malicious binary, side loaded ) in unusual locations like Public/Videos folder.

Ankit Anubhav commented on 2021-09-17 12:54:38 UTC

side loads Avira