MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c03f0aebf7867cd5195061605cec8e933575787fc59950b15ae2947dc34a2a42. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1

SHA256 hash: c03f0aebf7867cd5195061605cec8e933575787fc59950b15ae2947dc34a2a42
SHA3-384 hash: 3a7d3be6398b75ad3d2386bc22ccf55ff159e0b4b64d7efd3e88c7b0025ae426b1d91cf0c2056f6442f47e86c01ce7b9
SHA1 hash: d5db8115bfe9926560814a5e9a37d77bb50651b6
MD5 hash: 548ba2f3d9f1118a7b2df693cdb859d8
humanhash: single-uncle-wyoming-pizza
File name:548ba2f3d9f1118a7b2df693cdb859d8
Download: download sample
Signature Neshta
File size:230'912 bytes
First seen:2022-03-24 20:01:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 1536:JxqjQ+P04wsmJCoR498Jfkz7M9x5Uy2CaNbgD5RLglDWY:sr85CoaqJMfCmbgD5Rg3
Threatray 14'097 similar samples on MalwareBazaar
TLSH T1A43463EACB69C27DC5472770D4F0F2F0C249BDA8C5418E0B92647F2B72B25862997C97
File icon (PE):PE icon
dhash icon 4cb24d69554db244 (2 x Neshta)
Reporter zbetcheckin
Tags:32 exe Neshta

Intelligence


File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a process with a hidden window
Launching a process
Creating a file
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the shell\open\command registry branches
Query of malicious DNS domain
Infecting executable files
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
neshta overlay shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Encrypted powershell cmdline option found
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sigma detected: Execution of Suspicious File Type Extension
Sigma detected: Suspicious Encoded PowerShell Command Line
Yara detected Generic Downloader
Yara detected Neshta
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596522 Sample: nWkGqUZm27 Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 9 other signatures 2->43 9 nWkGqUZm27.exe 4 2->9         started        process3 file4 27 C:\Windows\svchost.com, PE32 9->27 dropped 29 C:\Users\user\AppData\Local\...\setup.exe, PE32 9->29 dropped 31 C:\Users\user\AppData\...\nWkGqUZm27.exe, PE32 9->31 dropped 33 8 other malicious files 9->33 dropped 53 Creates an undocumented autostart registry key 9->53 55 Drops PE files with a suspicious file extension 9->55 57 Drops executable to a common third party application directory 9->57 59 Infects executable files (exe, dll, sys, html) 9->59 13 nWkGqUZm27.exe 18 3 9->13         started        signatures5 process6 dnsIp7 35 maskaniranian.com 185.128.81.120, 49733, 80 FANAPTELECOM-FCPIR Iran (ISLAMIC Republic Of) 13->35 61 Multi AV Scanner detection for dropped file 13->61 63 Machine Learning detection for dropped file 13->63 65 Drops executables to the windows directory (C:\Windows) and starts them 13->65 17 svchost.com 1 13->17         started        signatures8 process9 file10 25 C:\Windows\directx.sys, ASCII 17->25 dropped 45 Antivirus detection for dropped file 17->45 47 Multi AV Scanner detection for dropped file 17->47 49 Machine Learning detection for dropped file 17->49 51 2 other signatures 17->51 21 powershell.exe 19 17->21         started        signatures11 process12 process13 23 conhost.exe 21->23         started       
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2022-03-24 16:20:50 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:neshta persistence spyware stealer
Behaviour
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
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Detect Neshta Payload
Modifies system executable filetype association
Neshta
Unpacked files
SH256 hash:
c03f0aebf7867cd5195061605cec8e933575787fc59950b15ae2947dc34a2a42
MD5 hash:
548ba2f3d9f1118a7b2df693cdb859d8
SHA1 hash:
d5db8115bfe9926560814a5e9a37d77bb50651b6
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MALWARE_Win_Neshta
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Neshta_Generic
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research

File information


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

Web download

Neshta

Executable exe c03f0aebf7867cd5195061605cec8e933575787fc59950b15ae2947dc34a2a42

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-24 20:01:31 UTC

url : hxxp://192.3.122.190/588/vbc.exe