MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 14bc4d2a29d8a973d2f03ec580788a525964acec8319a4ea80ed4e607256a790. 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 13 File information Comments

SHA256 hash: 14bc4d2a29d8a973d2f03ec580788a525964acec8319a4ea80ed4e607256a790
SHA3-384 hash: 92645311475ebbdf035d54e58fcf240447f528178da46197abacccac8dd8a1479164ff68345801fb3d8e3f2f3a24d8b9
SHA1 hash: cfc90228eaea4759e847a3d27ac17a64974619af
MD5 hash: 5b47f4a83ee7284db1e5ba379d43c7d9
humanhash: two-wolfram-oven-friend
File name:XClient.exe
Download: download sample
Signature AsyncRAT
File size:174'592 bytes
First seen:2024-08-22 05:07:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'343 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 3072:sNHpNAEkbneytOVAg4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvp:sNHrA3beykgVqwlL
TLSH T14104D5698FEBA201C55659747C7363828A3D5F7994CF35568EE33FEE1BB3C9420120A2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon f0d0c8cdcd88c0e0 (13 x AsyncRAT, 7 x XWorm, 4 x Formbook)
Reporter lontze7
Tags:AsyncRAT xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
144
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
XClient.exe
Verdict:
Malicious activity
Analysis date:
2024-08-22 05:10:51 UTC
Tags:
xworm telegram

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
Execution Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor lolbin rat schtasks vbnet
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497160 Sample: XClient.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 34 api.telegram.org 2->34 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 48 9 other signatures 2->48 8 XClient.exe 15 5 2->8         started        13 sivhost.exe 1 2->13         started        15 sivhost.exe 14 3 2->15         started        17 3 other processes 2->17 signatures3 46 Uses the Telegram API (likely for C&C communication) 34->46 process4 dnsIp5 36 api.telegram.org 149.154.167.220, 443, 49712, 49727 TELEGRAMRU United Kingdom 8->36 38 103.54.153.49, 49713, 7000 NNSPL-ASNexgtechNetSolutionsPvtLtdIN Singapore 8->38 32 C:\Users\user\AppData\Roaming\sivhost.exe, PE32 8->32 dropped 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 19 WerFault.exe 22 16 8->19         started        22 schtasks.exe 1 8->22         started        54 Multi AV Scanner detection for dropped file 13->54 56 Machine Learning detection for dropped file 13->56 24 schtasks.exe 15->24         started        file6 signatures7 process8 file9 30 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->30 dropped 26 conhost.exe 22->26         started        28 conhost.exe 24->28         started        process10
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Status:
Malicious
First seen:
2024-08-22 05:08:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
103.54.153.49:7000
Unpacked files
SH256 hash:
14bc4d2a29d8a973d2f03ec580788a525964acec8319a4ea80ed4e607256a790
MD5 hash:
5b47f4a83ee7284db1e5ba379d43c7d9
SHA1 hash:
cfc90228eaea4759e847a3d27ac17a64974619af
Detections:
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
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_xworm_simple_strings
Author:Matthew @ Embee_Research
Description:Detects simple strings present in unobfuscated xworm
Rule name:xworm
Author:jeFF0Falltrades

File information


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

Web download

AsyncRAT

Executable exe 14bc4d2a29d8a973d2f03ec580788a525964acec8319a4ea80ed4e607256a790

(this sample)

  
Delivery method
Distributed via web download

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments