MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c. 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: 16

Intelligence 16 IOCs YARA 21 File information Comments 1

SHA256 hash:	80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c
SHA3-384 hash:	4908423282daabdec7809cc99c0573c45b79c4811ada250b178caccfa9eced343179d61d09f5d7673498e35e7ff6068c
SHA1 hash:	72bb266a7aae0320f05276a0ed42753c2dc07f2b
MD5 hash:	8843d79e5ece984ef952051cb5b4f601
humanhash:	saturn-freddie-hydrogen-orange
File name:	com surrogate.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	60'928 bytes
First seen:	2024-12-16 06:55:42 UTC
Last seen:	2025-02-04 05:52:55 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'036 x Formbook, 12'353 x SnakeKeylogger)
ssdeep	1536:JnF8QSNVQPMbRu7IKhl6F4IkO5bULqRKrn:JFpSNVnbRu7PhW4IkO5bUvn
TLSH	T13B536C6CB7E44514D1FF9BF568B17212CB3ABA631C13D61F64D901CA1B27A8C8E40BE6
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
Reporter	lontze7
Tags:	AsyncRAT exe xworm

Intelligence

File Origin

# of uploads :

# of downloads :

420

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

comsurrogate.exe

Verdict:

Malicious activity

Analysis date:

2024-12-16 07:02:30 UTC

Tags:

evasion xworm remote

Link:

https://app.any.run/tasks/999776c7-5da5-4119-aa18-45091096bfca

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=675fd0848fb73f13afcc7aaa

Tags:

asyncrat autorun

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Creating a file

Launching a process

Creating a window

Enabling the 'hidden' option for recently created files

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Setting a global event handler for the keyboard

Creating a file in the mass storage device

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Enabling threat expansion on mass storage devices

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/675fcf047367240fdf7c6432/reports/85100008-6803-4be2-b49d-95439154866c/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/70b89839-3197-4e52-943b-4c3273998850

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1575693

Signature

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

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Bypasses PowerShell execution policy

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)

Drops PE files to the user root directory

Found malware configuration

Loading BitLocker PowerShell Module

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

Protects its processes via BreakOnTermination flag

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: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Schedule system process

Suricata IDS alerts for network traffic

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

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected Generic Downloader

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c/

Threat name:

Win32.Exploit.Xworm

Status:

Malicious

First seen:

2024-12-16 06:56:05 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qdkexmecuso5jg7vsjxkghfayisxexnkjoqgcsxd54pbeh667coa._file

Verdict:

malicious

Label(s):

xworm

Similar samples:

error

AsyncRAT

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm execution persistence rat trojan

Link:

https://tria.ge/reports/241216-hqcpcazrcr/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Adds Run key to start application

Looks up external IP address via web service

Checks computer location settings

Drops startup file

Executes dropped EXE

Command and Scripting Interpreter: PowerShell

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

127.0.0.1:48990
147.185.221.22:48990

Verdict:

Malicious

Tags:

rat xworm external_ip_lookup Win.Packed.njRAT-10002074-1

YARA:

EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_xworm_bytestring

Link:

https://app.threat.zone/submission/4fa2facc-5dfb-4f73-a576-d1ea6d928a75

Unpacked files

SH256 hash:

80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c

MD5 hash:

8843d79e5ece984ef952051cb5b4f601

SHA1 hash:

72bb266a7aae0320f05276a0ed42753c2dc07f2b

Detections:

XWorm

win_xworm_w0

Link:

https://www.unpac.me/results/4c5f2f4d-f4a3-4fe1-83a7-19a8d2e9b182/

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:	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:	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:	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:	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:	Windows_Generic_Threat_d568682a Create hunting rule
Author:	Elastic Security

Rule name:	win_xworm_bytestring Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytestring 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

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

Rule name:	xworm_kingrat 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 80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3351292/

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

Comments

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commented on 2024-12-16 07:00:47 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "80d44bb082a49dd49bf5926ea31ca0c225725daa4ba0614ae3ef1e121fdef89c",
"yara_possible_family": "xworm",
"key": "d3c4e2527c17bd6a40822452d5bdaed3c4e2527c17bd6a40822452d5bdae3e00",
"salt": "None",
"config": {
"K8AN2fv86Y": 3,
"22IqMvHuTA": "127.0.0.1,147.185.221.22",
"8rXrHd7miw": "48990",
"WNrZBMvdl7": "<123456789>",
"pOSYswDeQd": "<Xwormmm>",
"YPERGWFseI": "XWorm V5.2",
"wKnakAKb9K": "msedge.exe",
"uSL2QqkMHS": "%Userprofile%",
"3DRWWtrWbH": "svchostt.exe",
"6uI6vCBPZw": "FmQtb653HyFy3zc0"
}
}