MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c. 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

AsyncRAT

Vendor detections: 13

Intelligence 13 IOCs YARA 31 File information Comments

SHA256 hash:	4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c
SHA3-384 hash:	090ca57c22113f59b953fb209c2b290aff4108e800a4083f139cd5b2eaeee02138ef78a8500525f49c071e58ae406c39
SHA1 hash:	03b1971e04c8e67a32f38446bd8bfac41825f9cc
MD5 hash:	3273f078f87cebc3b06e9202e3902b5c
humanhash:	low-oscar-monkey-carolina
File name:	file
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	15'604'224 bytes
First seen:	2024-11-27 14:41:32 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	196608:Wf/BAe1d4ihvy85JhhYc3BSL1kehn4inje:WfyIhhkRka4i
Threatray	8 similar samples on MalwareBazaar
TLSH	T146F69E1077D6C006E47669B00A947AE1A67ABEAB2B15D8AD30C4331C17F64CCF993BF5
TrID	56.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.0% (.EXE) Win64 Executable (generic) (10522/11/4) 5.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.FON) Windows Font (5545/9/1)
Magika	pebin
File icon (PE):
dhash icon	8eccf86171e4cc8e (8 x AsyncRAT, 3 x XWorm, 2 x RedLineStealer)
Reporter	jstrosch
Tags:	.NET AsyncRAT exe MSIL

jstrosch

Found at hxxp://68.178.207[.]33:8000/RR/XWorm-5.6/Xworm%20V5.6.exe by #subcrawl

Intelligence

File Origin

# of uploads :

# of downloads :

360

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

http://68.178.207.33

Verdict:

Malicious activity

Analysis date:

2024-11-26 21:14:44 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/526a1fa9-8088-4578-b204-b8207a951a0f

Note:

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

Detection(s):

Win.Packed.Msilzilla-10024501-0

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL

ditekSHen.MALWARE.Win.Trojan.TRAT.UNOFFICIAL

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67472fc1b31374f098352cd7

Tags:

vmdetect asyncrat

Result

Verdict:

Clean

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Creating a window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm anti-vm aspnet_compiler cmd cmdkey cmstp explorer fingerprint lolbin msbuild obfuscated redcap regasm regedit regsvcs runonce schtasks stealer vbc

Link:

https://www.filescan.io/uploads/67472fbd4759c792deb6467d/reports/b33d091a-010b-468c-8eae-aee1cf77380c/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/87a41a06-3520-4bd6-b0dd-e2848d84eb34

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1563920

Signature

.NET source code contains very large strings

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected Generic Downloader

Yara detected Powershell download and execute

Yara detected RUNPE

Yara detected Telegram RAT

Yara detected Telegram Recon

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

95%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c/

Threat name:

ByteCode-MSIL.Backdoor.XWormRAT

Status:

Malicious

First seen:

2024-11-26 18:48:41 UTC

File Type:

PE (.Net Exe)

Extracted files:

519

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jnwkvbdhz56khv5d2ozky4hequilprcxbzebb4zqllfb55wn7boa._file

Verdict:

malicious

Label(s):

xworm_v56

xworm

AsyncRAT

515b7bd886b37d24fa02bb3d9b1ecf31f887bb46834787771722236d40c565c7

AsyncRAT

fa91e6e3eba2e4deb6ff092b9bf94944ce12b9346d5db218497602d08098094a

AsyncRAT

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/241127-r22bhstphj/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Verdict:

Malicious

Tags:

rat xworm Win.Packed.Msilzilla-10024501-0

YARA:

MALWARE_Win_XWorm

Link:

https://app.threat.zone/submission/79abe7bc-ba51-4678-a13a-af6c44703b6c

Unpacked files

SH256 hash:

60b19320a6fb573c6bc5fe32b0f9d5f9874876a680dfcad05271edb17389d48f

MD5 hash:

e0713e49460cf9570c1b4873d98e0d5b

SHA1 hash:

d29011604ffbf75d945e745891ae0ff7255ca56a

Link:

https://www.unpac.me/results/0205e029-7420-4e65-a785-775e5b7cd2cb/

SH256 hash:

64a0a588bfb057c877f42773976fd6952be90eafd373b3d0595fe20a8faccd74

MD5 hash:

1c3b5af02f308c2d61314fe6344a7434

SHA1 hash:

5a0278ad2d2cd2437044e4d8b5e998533982293b

Link:

https://www.unpac.me/results/0205e029-7420-4e65-a785-775e5b7cd2cb/

SH256 hash:

4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c

MD5 hash:

3273f078f87cebc3b06e9202e3902b5c

SHA1 hash:

03b1971e04c8e67a32f38446bd8bfac41825f9cc

Detections:

XWorm

win_xworm_w0

Link:

https://www.unpac.me/results/0205e029-7420-4e65-a785-775e5b7cd2cb/

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/4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c

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:	Base64_decoding Create hunting rule
Author:	iam-py-test
Description:	Detect scripts which are decoding base64 encoded data (mainly Python, may apply to other languages)

Rule name:	CHM_File_Executes_JS_Via_PowerShell Create hunting rule
Author:	daniyyell
Description:	Detects a Microsoft Compiled HTML Help (CHM) file that executes embedded JavaScript to launch a messagebox via PowerShell

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

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

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	detect_tiny_vbs Create hunting rule
Author:	daniyyell
Description:	Detects tiny VBS delivery technique

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

Rule name:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	Jupyter_infostealer Create hunting rule
Author:	CD_R0M_
Description:	Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022

Rule name:	MALWARE_Win_AsyncRAT Create hunting rule
Author:	ditekSHen
Description:	Detects AsyncRAT

Rule name:	MALWARE_Win_XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Trojan_XWorm_b7d6eaa8 Create hunting rule
Author:	Elastic Security

Rule name:	win_xworm_w0 Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects win.xworm.

Rule name:	XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	xworm Create hunting rule
Author:	jeFF0Falltrades

File information

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

Web download

AsyncRAT

exe 4b6caa8467cf7ca3d7a3d3b2ac70e48510b7c4570e4810f3305aca1ef6cdf85c

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3305401/

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

Comments

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