MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927. 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

BlankGrabber

Vendor detections: 19

Intelligence 19 IOCs YARA 21 File information Comments

SHA256 hash:	dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927
SHA3-384 hash:	9b39aab5a582b734e50749895d6d0386196cf97ba1f065244c0b48eea02c09619bf861cceae8dc194eb93ac50b83bcf0
SHA1 hash:	acdeb928d63c7b8385e54da4fd529b9e46dd8c43
MD5 hash:	a2de92630be5892679707ba364090ff6
humanhash:	kilo-crazy-oklahoma-nebraska
File name:	dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927.exe
Download:	download sample
Signature	BlankGrabber Create hunting rule
File size:	157'184 bytes
First seen:	2024-10-27 17:01:35 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:kgM9STKYM8tHubWK00VtI/LegyO4AzTqmyBe6:kgM9STJhtHubtFVak+qm
Threatray	1'311 similar samples on MalwareBazaar
TLSH	T16FE37C683FDACC56D1FF2BB44CA176719538AD2B2C97911B20C237CD963B88D8A509D3
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	8eccf86171e4cc8e (8 x AsyncRAT, 3 x XWorm, 2 x RedLineStealer)
Reporter	Chainskilabs
Tags:	BlankGrabber exe

Intelligence

File Origin

# of uploads :

# of downloads :

356

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

NEXUSMULTITOOLV1.exe

Verdict:

Malicious activity

Analysis date:

2024-10-25 14:50:41 UTC

Tags:

evasion uac telegram xworm crypto-regex ims-api generic remote discord blankgrabber stealer

Link:

https://app.any.run/tasks/6cb2912e-8c4c-4bdd-a679-9cc02b7d72a9

Note:

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

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=671e720e5928ee28d55e6ee6

Tags:

Asyncrat Dropper Xworm Remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Creating a process with a hidden window

Launching a process

Creating a window

Adding an exclusion to Microsoft Defender

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat backdoor fingerprint hook keylogger lolbin rat schtasks vbnet

Link:

https://www.filescan.io/uploads/671e720b17b6426a26090bd1/reports/bdf7d5f3-f767-4407-aab6-8b6e40ac512a/overview

Verdict:

Malicious

Labled as:

Dump:Generic.Malware.SFL

Link:

https://www.hybrid-analysis.com/sample/dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927

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:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/207a50cc-a0b0-464d-83a4-8b3bbc79daac

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1543336

Signature

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

.NET source code contains potential unpacker

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

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

Yara detected Generic Downloader

Yara detected Telegram RAT

Yara detected Telegram Recon

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927/

Threat name:

ByteCode-MSIL.Spyware.AsyncRAT

Status:

Malicious

First seen:

2024-10-25 16:21:14 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3lfwc5i5mjeehsogiwbp5k6boebfiibv422vz3yoycp5n26fdetq._file

Verdict:

malicious

Label(s):

xworm

BlankGrabber

500b51771f03e61f1c46fc29c2a786201c123ae5f0369bd1664992bd7c434a30

BlankGrabber

93f357d221fc7f72bec7195e11c8a00b9e128448850a88ca66c8cc95fa47272f

BlankGrabber

b019a47dc528a7197129adec69ea6813c28e60884c267cd297524296861a9ed6

BlankGrabber

dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927

BlankGrabber

dc548fee1dce52d153d237db152566a9c7d12814e1493d6aa792534ee9e4405d

BlankGrabber

error

BlankGrabber

fd15b9b162dcbe4f16157d4b13f69a6b2ede55fcd5ddb2a19bce8eb68a363e43

BlankGrabber

+ 1'301 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm rat trojan

Link:

https://tria.ge/reports/241027-vj4kpsxlhj/

Behaviour

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

foreign-olympic.gl.at.ply.gg:21710
147.185.221.23:21710

Verdict:

Malicious

Tags:

rat xworm asyncrat asyncrat

YARA:

win_mal_XWorm EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_xworm_bytestring win_xworm_simple_strings

Link:

https://app.threat.zone/submission/d383e38c-97e7-4022-818f-9e6a10227087

Unpacked files

SH256 hash:

dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927

MD5 hash:

a2de92630be5892679707ba364090ff6

SHA1 hash:

acdeb928d63c7b8385e54da4fd529b9e46dd8c43

Detections:

XWorm

win_xworm_w0

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

MALWARE_Win_XWorm

win_xworm_simple_strings

win_mal_XWorm

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

win_xworm_bytestring

MALWARE_Win_AsyncRAT

Link:

https://www.unpac.me/results/eca4afd0-0205-4074-8fc4-b2966cde4062/

Parent samples :

dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927
dc548fee1dce52d153d237db152566a9c7d12814e1493d6aa792534ee9e4405d

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/dacb61751d62/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/dacb61751d624843c9c64582feabc17102542035e6b55cef0ec09fd6ebc51927

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:	ByteCode_MSIL_Backdoor_AsyncRAT Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects AsyncRAT backdoor.

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

Rule name:	EXE_RAT_XWorm_April2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

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_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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

Rule name:	pe_imphash Create hunting rule

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

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

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

Rule name:	win_xworm_bytestring Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytestring present in unobfuscated xworm

Rule name:	win_xworm_simple_strings Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects simple strings present in unobfuscated xworm

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

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 (HIGH_ENTROPY_VA)	high

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