MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756. 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: 11

Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash:	a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756
SHA3-384 hash:	839a183e88b8b7f6ac1015f5fe60d67be4de4fe3878f145ada9feb681d66b1cd8fb525126151260c30bc3e8f9c142652
SHA1 hash:	fd307331881dcb03c8805b64c94654a7c28e406a
MD5 hash:	e9b9a554ae389a822af5092535823c4e
humanhash:	floor-pennsylvania-ten-failed
File name:	steal.exe.bin
Download:	download sample
Signature	XWorm Create hunting rule
File size:	1'635'328 bytes
First seen:	2025-03-14 09:14:49 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9c4d715e21caf6926ea70a40466c70f0 (1 x XWorm)
ssdeep	24576:46/mPUqMmMCsmsasmsCMmMKsmsCMmMaMmMCsmswVMmMCsmsasmsCMmMKsmsCMmMt:XIwpivQw7azhjJ+Q
TLSH	T12C757B5B529C42EBC55AC078CE3B5217A6F3BC38135CAFDBC6914D942E23AE5C93B214
TrID	44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	KatzenTech
Tags:	exe xworm

Intelligence

File Origin

# of uploads :

# of downloads :

277

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

steal.exe

Verdict:

No threats detected

Analysis date:

2025-03-13 23:36:49 UTC

Tags:

github loader

Link:

https://app.any.run/tasks/aa5077d6-e75a-49b3-9489-9fd55f77ce37

Note:

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

Verdict:

Clean

Score:

89.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67d36c113962f1a6f4710833

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

DNS request

Connection attempt

Sending a custom TCP request

Creating a file in the %temp% directory

Сreating synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

crypto lolbin masquerade microsoft_visual_cc remote

Link:

https://www.filescan.io/uploads/67d3f39c0a7899f35795beb2/reports/6e4a337c-e2f7-4cc0-a177-db80c0f49f35/overview

Verdict:

Suspicious

Labled as:

Malware.Win64.XWorm

Link:

https://www.hybrid-analysis.com/sample/a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756

Result

Verdict:

UNKNOWN

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/9cc5916b-5596-41da-924d-bfc4ed8cb8cc

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1638247

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Found malware configuration

Joe Sandbox ML detected suspicious 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

Tries to delay execution (extensive OutputDebugStringW loop)

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

90%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756/

Threat name:

Win64.Backdoor.Xworm

Status:

Suspicious

First seen:

2025-03-13 23:36:50 UTC

File Type:

PE+ (Exe)

AV detection:

7 of 38 (18.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ubbggm4apxmn43zy255mud6ol74z4urry3234u4yiechbx6sw5la._file

Verdict:

malicious

Label(s):

xworm

Similar samples:

error

XWorm

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm rat trojan

Link:

https://tria.ge/reports/250314-k7zljsxxft/

Behaviour

Modifies system certificate store

Legitimate hosting services abused for malware hosting/C2

Downloads MZ/PE file

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

127.0.0.1:7000
87.121.79.75:7000

Verdict:

Informative

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c0fd74d8-1d43-41a7-962b-2d1e89c52d50

Unpacked files

SH256 hash:

a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756

MD5 hash:

e9b9a554ae389a822af5092535823c4e

SHA1 hash:

fd307331881dcb03c8805b64c94654a7c28e406a

Link:

https://www.unpac.me/results/5208daea-31d0-486c-8f9d-ae85c54e52fc/

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/a0426333807dd8de6f38d77aca0fce5ff99e5231c6f5be5398410470dfd2b756

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

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

File information

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

No further information available

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::SetConsoleMode KERNEL32.dll::SetConsoleOutputCP KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_CRYPT_API	Uses Windows Crypt API	CRYPT32.dll::CertFindChainInStore CRYPT32.dll::CertFreeCertificateChain CRYPT32.dll::CertFreeCertificateContext CRYPT32.dll::CertGetCertificateChain CRYPT32.dll::CertOpenSystemStoreW CRYPT32.dll::CertVerifyCertificateChainPolicy
WIN_SOCK_API	Uses Network to send and receive data	WS2_32.dll::freeaddrinfo WS2_32.dll::getaddrinfo WS2_32.dll::WSAConnectByNameW

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