MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11
SHA3-384 hash: 74f7f51d5e3b602d0c68e63e0cdf5e70b66bc7c83791ff4a2945044da812d984fc764615b4ed3c9b0d5b675b8abedbe9
SHA1 hash: a2ac28694063911a1b00979db541f7712ab1563f
MD5 hash: 2eea363c28cc47b3f9675ba121d769ba
humanhash: summer-mexico-stream-network
File name:2eea363c28cc47b3f9675ba121d769ba
Download: download sample
Signature Neshta
Create hunting rule
File size:1'528'832 bytes
First seen:2021-06-26 03:08:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:TPj9YIC59jFiBP6ilEXvZyYO0dOq62H5ejSAx:FYpiSi2Zh1nxN4
TLSH 4F65A59C361175DFE817CA72AA645CB4EA107CBA470FD203A09726DEA90DA97CF141F3
Reporter zbetcheckin
Tags:32 exe Neshta

Intelligence

File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2eea363c28cc47b3f9675ba121d769ba
Verdict:
Suspicious activity
Analysis date:
2021-06-26 03:11:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c4eb2e22-bc41-4b71-b82e-e6d2eb6ad081

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/168411/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.954.20859.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1bd7d567-382e-4715-a967-80ccc9313f91
Result
Threat name:
Neshta Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808377
Signature
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
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 Neshta
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-24 05:28:42 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/210626-kcggecz9gj/
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:
a28a75fee042090e19e2e23964feb96ac299f5ac56ed60c0b778acb1f03570df
MD5 hash:
9b3b485ae7a2926a271b93ab7ae8db41
SHA1 hash:
d59c3de1fa8a84063015c84ff0d440593814f8d3
Detections:
win_neshta_auto
Create hunting rule
Link:
https://www.unpac.me/results/c2e506b2-0361-4cf1-a949-f8cbc8be96b6/
Parent samples :
8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11
3fa53f6f68e280013eb9651a53a3c40a16fa99f7689d0761b3f95b2de68b22cf
a47e72e6ebf467b28c35258a18733081d03e4701937d05d74b10a4bcc0029cb5
SH256 hash:
b9ec700837607341923d00575a3b39753e0c2b44440bdb1fe751312fa63b82b7
MD5 hash:
b4a9dd2f08253137cd1b05d5ddb19a39
SHA1 hash:
ad34faac07f656064ad0d8eb8aa1774136d69409
Link:
https://www.unpac.me/results/c2e506b2-0361-4cf1-a949-f8cbc8be96b6/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/c2e506b2-0361-4cf1-a949-f8cbc8be96b6/
SH256 hash:
8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11
MD5 hash:
2eea363c28cc47b3f9675ba121d769ba
SHA1 hash:
a2ac28694063911a1b00979db541f7712ab1563f
Link:
https://www.unpac.me/results/c2e506b2-0361-4cf1-a949-f8cbc8be96b6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11

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: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 8c049b5b08f47e1c87b75e5b16b9bdaf48b3be100b2275dc5e08646b12a86b11

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168411/

Comments