MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f. 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

XWorm

Vendor detections: 16

Intelligence 16 IOCs YARA 11 File information Comments 1

SHA256 hash:	75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f
SHA3-384 hash:	84b30dca5609dd5fb143c9ef956251c3c23a29c830a691a508c0e3f9933919da7acfa4bac79310a913882c052f05fe48
SHA1 hash:	0334f89cdb194c1a9a869eebfe9e5a04e24a0cf9
MD5 hash:	09bf8c78c41e0ff8e7f166d96447cfde
humanhash:	mirror-thirteen-east-cat
File name:	09bf8c78c41e0ff8e7f166d96447cfde
Download:	download sample
Signature	XWorm Create hunting rule
File size:	1'214'464 bytes
First seen:	2024-03-02 18:07:34 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep	24576:KUGEEcqoFXQIO3yO9m7RxPQn652DO3mkdOA8bU:KLc916s7RxSVY0AsU
TLSH	T1BC453A87F78089B6C45AC27482679323B632B84D4F29B79F17C0AF323D667511F1A789
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)
File icon (PE):
dhash icon	6ceccccca4c2f2f2 (8 x Neshta, 4 x XRed, 2 x XWorm)
Reporter	zbetcheckin
Tags:	32 exe Neshta xworm

Intelligence

File Origin

# of uploads :

# of downloads :

311

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f.zip

Verdict:

Malicious activity

Analysis date:

2024-03-03 00:24:09 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/9942e238-6344-43b1-8785-8ba4ae8092ed

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Trojan.Neshuta-1

PUA.Win.Packer.Pequake-4

Win.Virus.Neshta-7101689-0

Win.Trojan.Jadtre-5

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

Creating a file

Creating a file in the Program Files subdirectories

Creating a file in the %AppData% directory

Creating a window

Searching for the window

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

Enabling autorun with the shell\open\command registry branches

Connection attempt to an infection source

Infecting executable files

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm fingerprint lolbin neshta overlay remote shell32 virus winlock

Link:

https://www.filescan.io/uploads/65e36b0609d457664f0f98d3/reports/8ff5e59e-47ce-4f7d-946b-3b2d6f7c26b0/overview

Verdict:

Malicious

Labled as:

Virus.Neshta

Link:

https://www.hybrid-analysis.com/sample/75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f

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.

Malware family:

Neshta

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6f671a19-140d-4ab5-9f00-fb0fd1703fe6

Result

Threat name:

Neshta, XWorm

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1401988

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Connects to many ports of the same IP (likely port scanning)

Creates an undocumented autostart registry key

Drops executable to a common third party application directory

Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)

Drops PE files with a suspicious file extension

Icon mismatch, binary includes an icon from a different legit application in order to fool users

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 dropped file

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Yara detected Neshta

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f/

Threat name:

Win32.Virus.Neshta

Status:

Malicious

First seen:

2024-02-20 20:39:14 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 24 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=owya5cjm5ht6yg3qkm2crujma5rlz7xdwjzhqqylxsgqiwegtrpq._file

Verdict:

malicious

Result

Malware family:

xworm

Score:

10/10

Tags:

family:neshta family:xworm persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/240302-wqv3ksfg3s/

Behaviour

Modifies registry class

Modifies system certificate store

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Program Files directory

Drops file in Windows directory

Legitimate hosting services abused for malware hosting/C2

Checks computer location settings

Drops startup file

Executes dropped EXE

Loads dropped DLL

Modifies system executable filetype association

Reads user/profile data of web browsers

Detect Neshta payload

Detect Xworm Payload

Neshta

Xworm

Malware Config

C2 Extraction:

147.185.221.17:17986

Unpacked files

SH256 hash:

75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f

MD5 hash:

09bf8c78c41e0ff8e7f166d96447cfde

SHA1 hash:

0334f89cdb194c1a9a869eebfe9e5a04e24a0cf9

Detections:

win_neshta_g0

win_neshta_1

MAL_Malware_Imphash_Mar23_1

MAL_Neshta_Generic

MALWARE_Win_Neshta

Link:

https://www.unpac.me/results/e98825d5-0e9e-437b-87d1-05d0f32f3f60/

Malware family:

Nautilus

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/75b00e892ce9/report/overview.html

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/75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f

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 Create hunting rule
Author:	malware-lu

Rule name:	command_and_control Create hunting rule
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 Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	MALWARE_Win_Neshta Create hunting rule
Author:	ditekSHen
Description:	Detects Neshta

Rule name:	MAL_Malware_Imphash_Mar23_1 Create hunting rule
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 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Neshta malware
Reference:	Internal Research

Rule name:	MAL_Neshta_Generic_RID2DC9 Create hunting rule
Author:	Florian Roth
Description:	Detects Neshta malware
Reference:	Internal Research

Rule name:	Rustyloader_mem_loose Create hunting rule
Author:	James_inthe_box
Description:	Corroded buerloader
Reference:	https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	Windows_Virus_Neshta_2a5a14c8 Create hunting rule
Author:	Elastic Security

File information

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

Web download

XWorm

exe 75b00e892ce9e7ec1b70533428d12c0762bcfee3b27278430bbc8d0458869c5f

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2774426/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
MULTIMEDIA_API	Can Play Multimedia	gdi32.dll::StretchDIBits
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	kernel32.dll::GetDriveTypeA kernel32.dll::GetStartupInfoA kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	kernel32.dll::WinExec
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateDirectoryA kernel32.dll::CreateFileA kernel32.dll::DeleteFileA kernel32.dll::GetWindowsDirectoryA kernel32.dll::GetFileAttributesA kernel32.dll::FindFirstFileA
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA advapi32.dll::RegSetValueExA

Comments

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zbet commented on 2024-03-02 18:07:35 UTC

url : hxxps://107.175.3.10//Users/Astral_Tech_20240210165430476.exe