MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d39d8514724cc23cd2f0265a46345bd10118e699516f3075b376def2004d5fb. 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

Neshta

Vendor detections: 8

Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash:	5d39d8514724cc23cd2f0265a46345bd10118e699516f3075b376def2004d5fb
SHA3-384 hash:	8bc5b91e0aace5e54473802b7a00f744f9a2fc476a04ccf1ee99b27e9c202e46cf249526d07b00e7f4bd17cffebf84e7
SHA1 hash:	523d70f68600569cc768793f1df5177e7e9c8a6f
MD5 hash:	d5b4fe23324612886fb18c8dda9e2866
humanhash:	idaho-robert-monkey-two
File name:	T.HALK BANKASI A.S. 13.08.2020 Hesap Ekstresii.exe
Download:	download sample
Signature	Neshta Create hunting rule
File size:	972'800 bytes
First seen:	2020-08-13 11:41:37 UTC
Last seen:	2020-08-13 13:22:44 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	24576:/djCeLUB03+l03++LLWxjFeYS0q8gj5pLwydyH4A:dLq03+l03+6qxjFv0FpMydJ
Threatray	14 similar samples on MalwareBazaar
TLSH	6925E160B35558B3E4373A348972A51402777DA76A3EC30D1A9E32CF8D3239D4662FA7
Reporter	abuse_ch
Tags:	exe geo Halkbank Neshta TUR

abuse_ch

Malspam distributing unidentified malware:

HELO: halkbank.com.tr
Sending IP: 45.137.22.52
From: halkbank.e-ekstre@halkbank.com.tr
Subject: T.HALK BANKASI A.S. 13.08.2020 Hesap Ekstresi
Attachment: T.HALK BANKASI A.S. 13.08.2020 Hesap Ekstresii.z (contains "T.HALK BANKASI A.S. 13.08.2020 Hesap Ekstresii.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Neshta

Link:

https://www.capesandbox.com/analysis/45155/

Detection(s):

SecuriteInfo.com.Variant.Bulz.48015.29656.1165.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Creating a file in the %temp% subdirectories

Result

Threat name:

Matiex Neshta

Detection:

malicious

Classification:

spre.troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/426075

Signature

Binary contains a suspicious time stamp

Creates an undocumented autostart registry key

Drops executable to a common third party application directory

Drops PE files with a suspicious file extension

Machine Learning detection for dropped file

Machine Learning detection for sample

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

Yara detected AntiVM_3

Yara detected Matiex Keylogger

Yara detected Neshta

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5d39d8514724cc23cd2f0265a46345bd10118e699516f3075b376def2004d5fb/

Threat name:

ByteCode-MSIL.Trojan.LokiSteal

Status:

Malicious

First seen:

2020-08-13 11:43:09 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lu45qukhetgchtjpajs2iy2fxuibddtjsulpgb23g5w66iae2x5q._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

10/10

Tags:

persistence spyware

Link:

https://tria.ge/reports/200813-m5wnakqyfs/

Behaviour

Modifies registry class

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Drops file in Windows directory

Drops file in Program Files directory

Drops file in Windows directory

Suspicious use of SetThreadContext

Loads dropped DLL

Reads user/profile data of web browsers

Modifies system executable filetype association

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

Threat name:

Malicious File

Score:

0.91

Link:

https://yomi.yoroi.company/submissions/5d39d8514724cc23cd2f0265a46345bd10118e699516f3075b376def2004d5fb

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:	RSharedStrings Create hunting rule
Author:	Katie Kleemola
Description:	identifiers for remote and gmremote

Rule name:	win_neshta_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator