MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef9d8b93ec0e5982998cf9ed09e07f1269798d094b5c331322fb2062a5075916. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef9d8b93ec0e5982998cf9ed09e07f1269798d094b5c331322fb2062a5075916
SHA3-384 hash: b6e105d9d6681cae325d42ee542d6493ee6406c645069e262e09fc54ef4b8ebc58567f0af052d2b77b56dde1d38f338e
SHA1 hash: b5f97ef2ccc0e77de5ad469665c9df640b58c84f
MD5 hash: 9372e17fb74ecc52228dec6ef51e5ed2
humanhash: georgia-maryland-oklahoma-lamp
File name:AWB_6434907- JULY 31 2024 - SkyWin.img
Download: download sample
Signature Neshta
Create hunting rule
File size:1'310'720 bytes
First seen:2024-07-16 07:25:01 UTC
Last seen:Never
File type: img
MIME type:application/x-iso9660-image
ssdeep 12288:dWx2PQfZHFS3LapnnbooqxQPtK9gyANqA5i27ylNNXtMjUJe:wwMZHFS3YnnUQU9VANqAs4y9Mjg
TLSH T10F55121077EC9322E9FD47B8A57A1A1153F97999A931E26DBEC838CD4F72B004411BB3
TrID 47.7% (.ISO/UDF) UDF disc image (2114500/1/6)
46.2% (.NULL) null bytes (2048000/1)
5.7% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.1% (.ATN) Photoshop Action (5007/6/1)
0.0% (.ISO) ISO 9660 CD image (2545/36/1)
Reporter cocaman
Tags:img Neshta


Avatar
cocaman
Malicious email (T1566.001)
From: "Lolita Zhu <lolitazhu@skywinlogistics.com.cn>" (likely spoofed)
Received: "from skywinlogistics.com.cn (unknown [51.89.227.23]) "
Date: "15 Jul 2024 17:09:52 -0700"
Subject: "Re: Export documents"
Attachment: "AWB_6434907- JULY 31 2024 - SkyWin.img"

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
CH CH
File Archive Information

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

File name:AWB_6434.EXE
File size:740'864 bytes
SHA256 hash: 08666ef4278f5e77d441949a6069b712fd4908fc75df489ed9289daa5ff3cf5e
MD5 hash: 8c4507c84e866d7a0677244d94c439f6
MIME type:application/x-dosexec
Signature Neshta
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30424.BadIso.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6696205184e955866872be31win10vpnfull_triage
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
context-iso nanocore packed powershell
Link:
https://www.filescan.io/uploads/66962054059239fe323859fa/reports/01d65f82-ef46-4e69-89a6-d6eef769c7de/overview
Verdict:
Malicious
Labled as:
Mal/DrodIso
Link:
https://www.hybrid-analysis.com/sample/ef9d8b93ec0e5982998cf9ed09e07f1269798d094b5c331322fb2062a5075916
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef9d8b93ec0e5982998cf9ed09e07f1269798d094b5c331322fb2062a5075916/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-07-15 12:53:52 UTC
File Type:
Binary (Archive)
Extracted files:
6
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56oyxe7mbzmyfgmm7hwqtyd7cjuxtdijjnodgezc7mqgfjihlela._file
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/ef9d8b93ec0e5982998cf9ed09e07f1269798d094b5c331322fb2062a5075916

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: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

File information

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

Malspam

Neshta

img ef9d8b93ec0e5982998cf9ed09e07f1269798d094b5c331322fb2062a5075916

(this sample)

Neshta

Executable exe 08666ef4278f5e77d441949a6069b712fd4908fc75df489ed9289daa5ff3cf5e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 08666ef4278f5e77d441949a6069b712fd4908fc75df489ed9289daa5ff3cf5e
  
Dropping
MD5 8c4507c84e866d7a0677244d94c439f6

Comments