MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a
SHA3-384 hash: 82f9019f7daa336c0d800e78bd82b38e44e4c4101b477da2778da0a0ade0bb7246eb08ef204f83af59ef8cfdde6d2449
SHA1 hash: 1a60c0e5db2c3a089e1bf5bc324d2d9bdd1f598c
MD5 hash: 1b6c3efb052cb98aa92865852aba7a57
humanhash: helium-oranges-mirror-beer
File name:CI.rar
Download: download sample
Signature Neshta
Create hunting rule
File size:664'129 bytes
First seen:2023-08-16 09:16:57 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:ha41qD67Z2Do20c2NqcPygKSvAi3WJAEZ0xRQYBbryKmAjy1ouGbPTod6SwtQxA+:ss3q69cS3Wa9/kWhrl1zkV
TLSH T134E42366A4EB3BF92D7075D929EDAEE4B437F012311DAF3D3C4612C4A2A72DC251B124
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: "=?UTF-8?B?IuWImOaZlyBMaXUgSGFuKE5XU0lBLVNJTk9BSVIpIg==?= <sales@tcf.com.sg>" (likely spoofed)
Received: "from tcf.com.sg (unknown [94.156.102.47]) "
Date: "11 Aug 2023 10:20:10 +0200"
Subject: "HW - Arrival of Container OOLU3955325 (PTS)"
Attachment: "CI.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
CH CH
File Archive Information

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

File name:CI.exe
File size:905'216 bytes
SHA256 hash: 7cf16fa9b84052ebac0f1752fd4cb2a9ffc8ffafc757f785376f2bde6fb554a5
MD5 hash: ce27430516a6f6d69371c99490f2e555
MIME type:application/x-dosexec
Signature Neshta
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer lolbin packed
Link:
https://www.filescan.io/uploads/64dc944a11704d3930d7906d/reports/846f0e71-c6a0-42cd-956b-5f2c239d80fa/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a
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/83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a/
Threat name:
ByteCode-MSIL.Spyware.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-08-11 11:05:04 UTC
File Type:
Binary (Archive)
Extracted files:
18
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qn4d7islg3nzzwhwjajh4ib4wdg3wnpbelrdnwe5p5yueuigb6na._file
Result
Malware family:
neshta
Create hunting rule
Score:
  10/10
Tags:
family:neshta persistence spyware stealer
Link:
https://tria.ge/reports/230816-pmspqace9y/
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/83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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

rar 83783fa24b36db9cd8f648127e203cb0cdbb35e122e236d89d7f714251060f9a

(this sample)

Neshta

Executable exe 7cf16fa9b84052ebac0f1752fd4cb2a9ffc8ffafc757f785376f2bde6fb554a5

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 7cf16fa9b84052ebac0f1752fd4cb2a9ffc8ffafc757f785376f2bde6fb554a5
  
Dropping
Neshta

Comments