MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a
SHA3-384 hash: 8130ee3064ca8af1eb7e8316933cc71c1e787b5f00878f282bf9a6db68c5be639092e2e385adecee59294cb154fbdd09
SHA1 hash: ccd99060cb78468e80b51c7b6fa9452e44716f15
MD5 hash: c0b8e226cbe8e7e885f790dc465bd046
humanhash: black-nitrogen-summer-connecticut
File name:c0b8e226cbe8e7e885f790dc465bd046.exe
Download: download sample
Signature Neshta
Create hunting rule
File size:814'080 bytes
First seen:2021-07-13 13:20:54 UTC
Last seen:2021-07-13 14:02:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:HDE1yr5y2Mda/BkOhCQBMNq0WFiltmG4c:Hg14y2MdaZkOk+MI06+tv
Threatray 85 similar samples on MalwareBazaar
TLSH T1BE052341D3534E5CF6594E70139C0AA052EE81EB621BA937348C8FBA5B03FCB5D936E6
Reporter abuse_ch
Tags:exe Neshta

Intelligence

File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c0b8e226cbe8e7e885f790dc465bd046.exe
Verdict:
Malicious activity
Analysis date:
2021-07-13 13:25:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/04f5b3ac-9e36-4bcf-a6ce-5971fc25e709

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Neshta
Create hunting rule
Link:
https://www.capesandbox.com/analysis/171428/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.ETY.genEldorado.32137.15830.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/9e3feecb-0feb-4093-9755-4fe3d1565706
Result
Threat name:
Neshta
Create hunting rule
Detection:
malicious
Classification:
spre.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815643
Signature
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops PE files with a suspicious file extension
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Neshta
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-07-13 13:21:07 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  3/5
Verdict:
malicious
Similar samples:
35781f59dd0d4db4313b493ba0f80606f0f999c904e72a2dd76b0cb111678cde
Neshta
3ba615a4d99b560c58bed9e63c8ecd2c20dbc71560ec1fe51ca2b78a6b8309e6
Neshta
3fa53f6f68e280013eb9651a53a3c40a16fa99f7689d0761b3f95b2de68b22cf
Neshta
412bcb0abe4197be23ae265308d96f9db0f0fd5f96ec0ac053d744d1565e80eb
Neshta
4ba041292881b73bc2cf7842f17b64eeca555b209577f5ea842fbeaa30f05ea0
Neshta
563d0226f3ff043014f86d780778fc6bbae2193e46137271d586ca3d83da34af
Neshta
b2ae47f62aa239fb6badfb8af83054c008e9c93d6fe1953732ec03029dc474ce
Neshta
b4e70946128b7c45e4e6404714ca40df679ed0b6ac5157533c953196d96daa41
Neshta
b8ec3b964de755ffc8988a41f639284b39cd13ef066a6af135995a3045b2ca4e
Neshta
e82473f02711056cbcda98d22a858d95c6cf574c17ee77ea62db86e405ff6e77
Neshta
+ 75 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/210713-yszkyp4b36/
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
Loads dropped DLL
Reads user/profile data of web browsers
Modifies system executable filetype association
Unpacked files
SH256 hash:
58a24947e8d0b10a0df3b8dad768cd7afc83acae0d7366777db4eaf057739462
MD5 hash:
a0eea5aa14308b3fc78a12ec154ed392
SHA1 hash:
868faaf91105f8eda5f39006dd2cd8229f43976a
Link:
https://www.unpac.me/results/0d06f327-f531-4d71-8cad-1881fa68ab21/
SH256 hash:
f75b8b287bcfc34042b258b6419199ca5d3bad117b9ae140ba70721518f8a7a2
MD5 hash:
f3a58f43c60b1d6702172ca2f5e4f125
SHA1 hash:
67a51c9b64d1536cb86126f43d2ac2048a15ac77
Link:
https://www.unpac.me/results/0d06f327-f531-4d71-8cad-1881fa68ab21/
SH256 hash:
601988fc7daae671a0a27b38d9212e6a8fdfd9110dd099153fcf80f826a2d2e1
MD5 hash:
3024a3be79d03af30cb5ef949b1c1d09
SHA1 hash:
2628411c7216202f7d54c8f64a596cc46e465f3f
Detections:
win_neshta_auto
Create hunting rule
Link:
https://www.unpac.me/results/0d06f327-f531-4d71-8cad-1881fa68ab21/
Parent samples :
70707206bfdc0b86a9494f7780c55829e993a93a7d65d0279bc9c73b97ffc005
a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a
0f588cc0f351e5a7a82372fb978693bd088484d89d2219267a4fd7f7c52203d8
a1ac7e8549374b66ee31c8ce943790219ab8e70559f7cff6bcb00e658e0f56ec
37788378096171de3632795ccedd7562dc5f514497394dcdb9fbbea8960cce6f
SH256 hash:
a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a
MD5 hash:
c0b8e226cbe8e7e885f790dc465bd046
SHA1 hash:
ccd99060cb78468e80b51c7b6fa9452e44716f15
Link:
https://www.unpac.me/results/0d06f327-f531-4d71-8cad-1881fa68ab21/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.83
Link:
https://yomi.yoroi.company/submissions/a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a

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:buerloader_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
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.

Web download

Neshta

Executable exe a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1398051/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/171428/

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