MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9ba8137d635ef997c4d1388b7758157fa8ee4bfffcacc49bdf7c5dfe9003421. 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 3 File information Comments 1

SHA256 hash: a9ba8137d635ef997c4d1388b7758157fa8ee4bfffcacc49bdf7c5dfe9003421
SHA3-384 hash: 85724f9cf62ea6cb6a9c8616ea46d25b5db8e3013f4f89c3f8112704c892b278f183c01e1cdd4ce6d118c3ffc8d690ca
SHA1 hash: 69a81fd68106c9de3fa4657cec2468c29a45a171
MD5 hash: 748f5d75a9f4c4026cc14e46baff0bb3
humanhash: december-sad-november-paris
File name:748f5d75a9f4c4026cc14e46baff0bb3
Download: download sample
Signature Neshta
File size:750'080 bytes
First seen:2021-11-25 19:21:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xBzcmhiTIabUtWTlW/kcbP3/1S/XTBWym1jr0ahKpymrF9oZXKanCB7U3WJ3m5Ja:xBomhiE5tWxWBz/1YjBZm1jrdhm999Um
Threatray 205 similar samples on MalwareBazaar
TLSH T1FDF4011133B85E5FCBBE07FA9464544057F2AA1AA1AFD7DD8CC0B0ED09E1F525B02A27
Reporter zbetcheckin
Tags:32 exe Neshta

Intelligence


File Origin
# of uploads :
1
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice HSBC.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-25 17:06:31 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %temp% subdirectories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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:
FormBook Neshta
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
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)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Neshta
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-25 03:58:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
67
AV detection:
20 of 28 (71.43%)
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
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Modifies system executable filetype association
Neshta
Unpacked files
SH256 hash:
e5a19cae91a47621ed06e9d6434e73e2ba289981d7f71cf30e1e112bae3acc7b
MD5 hash:
232f06fde30ca808e38283e42fcfb707
SHA1 hash:
4489d4661574ad0a5bcf4059ba0aea21220b5aa6
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
SH256 hash:
a9ba8137d635ef997c4d1388b7758157fa8ee4bfffcacc49bdf7c5dfe9003421
MD5 hash:
748f5d75a9f4c4026cc14e46baff0bb3
SHA1 hash:
69a81fd68106c9de3fa4657cec2468c29a45a171
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Neshta

Executable exe a9ba8137d635ef997c4d1388b7758157fa8ee4bfffcacc49bdf7c5dfe9003421

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-25 19:21:42 UTC

url : hxxp://198.12.91.205/50005/vbc.exe