MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459
SHA3-384 hash: b14bfceacac43183cf8fe440a5e0dd58e1e118e961021704e80f8f5b16a88e8c24e9a91103f5e234680cddbfe3aff7b9
SHA1 hash: 491e8fce49fe848eb3e98d23bf31ad34e6a1990d
MD5 hash: 2c2f31b9754140aaf4cdcc88d3806851
humanhash: august-nebraska-arkansas-foxtrot
File name:UPDATED SOA.rar
Download: download sample
Signature Neshta
Create hunting rule
File size:968'762 bytes
First seen:2023-08-28 10:36:26 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 24576:sy+/G1vcKh0zPhqv8ZhdyVjNBkMwNQtKJ:r+ukkvqdyVmQta
TLSH T1DC2533A48FA37D838F929775A36ACA14C769160DB5BD325A7307AF00DB7B530E4C4863
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:Neshta rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Tahmina Akhter <pmd3@mbiologix.com>" (likely spoofed)
Received: "from mbiologix.com (unknown [94.156.102.47]) "
Date: "21 Aug 2023 11:15:30 +0200"
Subject: "RE: UPDATED SOA JULY 2023"
Attachment: "UPDATED SOA.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:UPDATED SOA.exe
File size:1'102'336 bytes
SHA256 hash: 83a4b6cd0fa89d77f39c1ac7e3ecf5260bd7bffa07ab30fc6c7ab17e87525e39
MD5 hash: 253b21547cc9cb67b21c30223c60cfeb
MIME type:application/x-dosexec
Signature Neshta
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64ec78ce1d3a8c6c121790f3/reports/5f8095c4-a830-4db8-a00f-5b8f804d5d90/overview
Verdict:
Malicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-21 13:54:27 UTC
File Type:
Binary (Archive)
Extracted files:
22
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xnrumqq5glwrh6t6afrpeoodpbvpvgwjybqzh6hqu3lty5yj2rmq._file
Result
Malware family:
neshta
Create hunting rule
Score:
  10/10
Tags:
family:neshta persistence spyware stealer
Link:
https://tria.ge/reports/230828-m59pvaad32/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Detect Neshta payload
Neshta
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:MALWARE_Win_Neshta
Create hunting rule
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

File information

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

Malspam

Neshta

rar bb6346421d32ed13fa7e0162f239c3786afa9ac9c06193f8f0a6d73c7709d459

(this sample)

Neshta

Executable exe 83a4b6cd0fa89d77f39c1ac7e3ecf5260bd7bffa07ab30fc6c7ab17e87525e39

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 83a4b6cd0fa89d77f39c1ac7e3ecf5260bd7bffa07ab30fc6c7ab17e87525e39
  
Dropping
Neshta
  
Dropping
MD5 253b21547cc9cb67b21c30223c60cfeb

Comments