MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ca4a862e957347dc3501e55fcf6ab8d130f141afea00c22f3bf25bf938531a35. 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
| SHA256 hash: | ca4a862e957347dc3501e55fcf6ab8d130f141afea00c22f3bf25bf938531a35 |
|---|---|
| SHA3-384 hash: | b76c0a9e5b3b5852ad8cac1f8ca4abb765ecacc6f6782215e97b24dfc34132cec446556d951a479a0c96eb05d773f5c3 |
| SHA1 hash: | 5b33dfac19433268f3c8964aecd6cdc83569cfa6 |
| MD5 hash: | 0893f96ed6831c745ebc3d19d9f96749 |
| humanhash: | golf-fanta-cola-dakota |
| File name: | 0893f96ed6831c745ebc3d19d9f96749 |
| Download: | download sample |
| Signature | Neshta |
| File size: | 18'944 bytes |
| First seen: | 2022-07-29 21:34:36 UTC |
| Last seen: | 2022-07-29 22:34:15 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 384:jJjp1ZxT96g9eQAB7YtUTmSIISSSSSISSSpvKACPO7:tl1p6h0XVCG7 |
| TLSH | T10B82FACF52B24E27FAA1C37D482A26860F36D87CB9A2B26B34C155CD7816F805BDD714 |
| 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) |
| File icon (PE): |  |
| dhash icon | 0096cc714d86aa00 (18 x RemcosRAT, 14 x Formbook, 7 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe Neshta |
Intelligence
File Origin
# of uploads :
2
# of downloads :
533
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
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.
Verdict:
Malicious
Result
Threat name:
Neshta, Remcos
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
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)
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 domain / URL
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Neshta
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Status:
Malicious
First seen:
2022-07-29 10:31:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
3/5
Detection(s):
Suspicious file
Result
Malware family:
neshta
Score:
10/10
Tags:
family:neshta persistence spyware
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
Detect Neshta payload
Modifies system executable filetype association
Neshta
Unpacked files
SH256 hash:
ca4a862e957347dc3501e55fcf6ab8d130f141afea00c22f3bf25bf938531a35
MD5 hash:
0893f96ed6831c745ebc3d19d9f96749
SHA1 hash:
5b33dfac19433268f3c8964aecd6cdc83569cfa6
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| Rule name: | MALWARE_Win_Neshta |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Neshta |
| Rule name: | MAL_Neshta_Generic |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Neshta malware |
| Reference: | Internal Research |
| Rule name: | MAL_Neshta_Generic_RID2DC9 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Neshta malware |
| Reference: | Internal Research |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_neshta_auto |
|---|---|
| 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
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://23.95.106.35/bnm.exe