MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83fa45619a7ffe1b391020e17a7e2a826519da482086700dd76c6967c7e7dd3b. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 83fa45619a7ffe1b391020e17a7e2a826519da482086700dd76c6967c7e7dd3b
SHA3-384 hash: 7b61b02bedf9bc149afb9180e4311dfc33c6f67bdaa44129e4294fad58318fa090c9fb141bd28f99e1da1fd18791ec02
SHA1 hash: f00abf22793ec94641bbec8fe5eab330079e4c3a
MD5 hash: 95efeb7a96a6717f9806f2f3d0456560
humanhash: high-fillet-double-kitten
File name:ORDER No. 2210748.exe
Download: download sample
Signature Neshta
Create hunting rule
File size:6'656 bytes
First seen:2022-10-03 07:07:36 UTC
Last seen:2022-10-11 01:54:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 96:7tiUKa78+/YXrKCi5iRGIuhLzDZDfnDQyGgCPhRktUYifzNt:JvK/XrK94puLzDRf8y1C7kR2
Threatray 1'036 similar samples on MalwareBazaar
TLSH T1CBD1D711F3D84736DDE64BB5ACB347410379A7E19893CB7D68C8914BAD927C017622B4
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter cocaman
Tags:exe Neshta

Intelligence

File Origin
# of uploads :
3
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315956/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDS.61002160.10366.2155.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a file in the Windows directory
Modifying an executable file
Creating a file in the Program Files subdirectories
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with the shell\open\command registry branches
Infecting executable files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/633a8a5349c58ce767c5990b/reports/3624c965-21b8-4f4f-a455-e70105e244f1/overview
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.
Malware family:
Neshta
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5e94718-2dde-450d-a6be-27e6ebdecfae
Result
Threat name:
Neshta, Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1082189
Signature
.NET source code contains potential unpacker
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)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Neshta
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 714746 Sample: ORDER No. 2210748.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 13 other signatures 2->56 7 ORDER No. 2210748.exe 16 7 2->7         started        12 svchost.com 1 3 2->12         started        14 svchost.com 17 3 2->14         started        process3 dnsIp4 42 192.227.183.152, 49697, 49698, 49699 AS-COLOCROSSINGUS United States 7->42 36 C:\Users\user\AppData\...\Dvkjewew.exe, PE32 7->36 dropped 38 C:\Users\...\Dvkjewew.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\...\ORDER No. 2210748.exe.log, ASCII 7->40 dropped 58 Encrypted powershell cmdline option found 7->58 16 ORDER No. 2210748.exe 1 7->16         started        20 powershell.exe 16 7->20         started        60 Drops executables to the windows directory (C:\Windows) and starts them 12->60 22 svchost.com 12->22         started        62 Machine Learning detection for dropped file 14->62 24 svchost.com 2 14->24         started        file5 signatures6 process7 file8 28 C:\Windows\svchost.com, PE32 16->28 dropped 30 C:\Users\user\AppData\Local\...\setup.exe, PE32 16->30 dropped 32 C:\Users\user\AppData\...\ChromeSetup.exe, PE32 16->32 dropped 34 7 other malicious files 16->34 dropped 44 Creates an undocumented autostart registry key 16->44 46 Drops executable to a common third party application directory 16->46 48 Infects executable files (exe, dll, sys, html) 16->48 26 conhost.exe 20->26         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83fa45619a7ffe1b391020e17a7e2a826519da482086700dd76c6967c7e7dd3b/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-03 01:03:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qp5ekym2p77bwoiqedqxu7rkqjsrtwsiecdhadoxnruwpr7h3u5q._file
Verdict:
malicious
Similar samples:
098c30f5be90148d97ead8f3c0aadafd8ac199d1e0207f33b7bbd203f9deff27
Neshta
2e6e8729d76dc13a750db437a1677e60d579f785714e7c5bbff65085be0f08bf
Neshta
5d0c5951ccf3f1fb05f4cb1ee1ef45a9b1161e392831e88345a298b35b278c66
Neshta
60b9dfe94376364fa7c7d47ca49cfcdae1b54cfad864098c6cf260f5bf870992
Neshta
9131b2d3b37f8533ba4b9e5b5923d4f5289342ae919960c28367a9f9e6d84564
Neshta
ca943cad4feb48b7da378e205184231cd95928e5dff61300fba10d15b142d333
Neshta
d57321805b57d9a004d652b7d8b00d9045d6940800653374e2a47c7dad2e9196
Neshta
d5d8501413231217f31c6b614fbc4e5cba5ba8cabb6da772e5ed82e484238088
Neshta
f38fa95a5c036c2193db7d9b9c28f6bb6b5173c89e61cb396f1fbe03c457988b
Neshta
f7d30dd28a8fa43fff19f4b71ba5273a60ff7a03ce01643ce958b8f4a02752b3
Neshta
+ 1'026 additional samples on MalwareBazaar
Result
Malware family:
neshta
Create hunting rule
Score:
  10/10
Tags:
family:neshta persistence spyware stealer
Link:
https://tria.ge/reports/221003-hx7s3aebdj/
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
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Detect Neshta payload
Modifies system executable filetype association
Neshta
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6e940b55-f631-46d4-9060-24ad7a8bc344
Unpacked files
SH256 hash:
83fa45619a7ffe1b391020e17a7e2a826519da482086700dd76c6967c7e7dd3b
MD5 hash:
95efeb7a96a6717f9806f2f3d0456560
SHA1 hash:
f00abf22793ec94641bbec8fe5eab330079e4c3a
Link:
https://www.unpac.me/results/f1065c75-009d-44e7-9ff4-0b6d7d669fb3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83fa45619a7f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Neshta
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/83fa45619a7ffe1b391020e17a7e2a826519da482086700dd76c6967c7e7dd3b

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: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.

8518250f271521643d9b7efb9f37b6652e32bfababb1259e6aa8e816c8e51fd2

Neshta

Executable exe 83fa45619a7ffe1b391020e17a7e2a826519da482086700dd76c6967c7e7dd3b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8518250f271521643d9b7efb9f37b6652e32bfababb1259e6aa8e816c8e51fd2
Cape
Cape
https://www.capesandbox.com/analysis/315956/

Comments