MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f00882b043f3709ae00db531d903ac84ae495a35f5ff5ea75e592548959e1766. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments 1

SHA256 hash: f00882b043f3709ae00db531d903ac84ae495a35f5ff5ea75e592548959e1766
SHA3-384 hash: 9f9313308df3e76f113899fac0452ff0ddb09de52e106768ed046ce4ddba102b19452671fac7f83ffdad277fc88b256a
SHA1 hash: a15216e1d479e80d9d4ff777dd586107798d663d
MD5 hash: 0055b0e9c746a27c52eb8fc40f85fc1b
humanhash: mockingbird-nine-lithium-bacon
File name:0055b0e9c746a27c52eb8fc40f85fc1b
Download: download sample
Signature Neshta
File size:1'232'856 bytes
First seen:2024-03-02 18:01:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 24576:A3vKtGU+XFv5BzAoVflXOPpqQn6526OcSuOR6b:AfXHv9AXxRoM6b
TLSH T12E455A07F68489B7C419C1B487979332BA32B8894B26F79B1BC45B313E57B902F1D798
TrID 64.7% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
14.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
10.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
3.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.5% (.EXE) Win64 Executable (generic) (10523/12/4)
Reporter zbetcheckin
Tags:32 exe Neshta

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a file in the Program Files subdirectories
Creating a window
Enabling autorun with the shell\open\command registry branches
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Infecting executable files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm expand fingerprint lolbin neshta overlay remote shell32
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:
Neshta, XWorm
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Drops PE files with a suspicious file extension
Infects executable files (exe, dll, sys, html)
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Snort IDS alert for network traffic
Yara detected Neshta
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1401972 Sample: Iucy2WMisJ.exe Startdate: 02/03/2024 Architecture: WINDOWS Score: 100 55 new-coder.cc 2->55 57 webwsasnmaprdipv46.suninggslb.cn 2->57 59 9 other IPs or domains 2->59 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 10 other signatures 2->67 9 Iucy2WMisJ.exe 4 2->9         started        13 svchost.com 2->13         started        15 svchost.com 1 2->15         started        signatures3 process4 file5 39 C:\Windows\svchost.com, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\Temp\chrome.exe, PE32 9->41 dropped 43 C:\Users\user\AppData\...\Iucy2WMisJ.exe, PE32+ 9->43 dropped 45 161 other malicious files 9->45 dropped 73 Creates an undocumented autostart registry key 9->73 75 Drops PE files with a suspicious file extension 9->75 77 Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS) 9->77 79 2 other signatures 9->79 17 Iucy2WMisJ.exe 1 6 9->17         started        22 SecurityHealthSystray.exe 13->22         started        24 SecurityHealthSystray.exe 1 2 15->24         started        signatures6 process7 dnsIp8 49 new-coder.cc 107.175.3.10, 49711, 7536 AS-COLOCROSSINGUS United States 17->49 51 part-0012.t-0009.t-msedge.net 13.107.213.40, 443, 49701 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->51 53 2 other IPs or domains 17->53 35 C:\ProgramData\SecurityHealthSystray.exe, PE32 17->35 dropped 69 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->69 71 Drops executables to the windows directory (C:\Windows) and starts them 22->71 26 svchost.com 22->26         started        37 C:\Users\user\AppData\Local\...\SECURI~1.EXE, PE32+ 24->37 dropped 28 svchost.com 24->28         started        file9 signatures10 process11 process12 30 SECURI~1.EXE 26->30         started        32 SECURI~1.EXE 28->32         started        dnsIp13 47 13.107.246.40, 443, 49712, 49714 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 32->47
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2024-03-02 18:02:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:neshta persistence spyware stealer
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Detect Neshta payload
Neshta
Unpacked files
SH256 hash:
f00882b043f3709ae00db531d903ac84ae495a35f5ff5ea75e592548959e1766
MD5 hash:
0055b0e9c746a27c52eb8fc40f85fc1b
SHA1 hash:
a15216e1d479e80d9d4ff777dd586107798d663d
Detections:
win_neshta_g0 win_neshta_1 MAL_Malware_Imphash_Mar23_1 MAL_Neshta_Generic MALWARE_Win_Neshta
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:Borland
Author:malware-lu
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MALWARE_Win_Neshta
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Malware_Imphash_Mar23_1
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MAL_Neshta_Generic
Author:Florian Roth (Nextron Systems)
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_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Virus_Neshta_2a5a14c8
Author:Elastic Security

File information


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

Web download

Neshta

Executable exe f00882b043f3709ae00db531d903ac84ae495a35f5ff5ea75e592548959e1766

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::GetDriveTypeA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetFileAttributesA
kernel32.dll::FindFirstFileA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
advapi32.dll::RegSetValueExA

Comments



Avatar
zbet commented on 2024-03-02 18:01:57 UTC

url : hxxps://107.175.3.10//Users/signed_20240224210355899.exe