MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87189ae08967742a49ed5e98fc5731af9fa843b4bde08151ac5d16a71f0052f6. 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 12 File information Comments 1

SHA256 hash: 87189ae08967742a49ed5e98fc5731af9fa843b4bde08151ac5d16a71f0052f6
SHA3-384 hash: 4b7ca199b7ad95829ca5426a028e7fe7b2e56e43d91e275fd899ee35bec649e6bbce8a532b641cc2694496a188e7aa36
SHA1 hash: 069285708e07814d852bbd5f39a7ffbb3c9e2d94
MD5 hash: d0685487fa7e474e68a40a1b1ff49b60
humanhash: golf-grey-fourteen-xray
File name:d0685487fa7e474e68a40a1b1ff49b60
Download: download sample
Signature AsyncRAT
File size:171'008 bytes
First seen:2024-04-17 11:34:45 UTC
Last seen:2024-04-17 13:44:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:216oQ/DtPFVzE95jNNKCw5VY9bG1wWQkAw6JOXHWIOGoWIFjo7xLFVGy9w04xJXX:ouxFG9Rw3Y9bGVAfOXWxrjCT4
Threatray 231 similar samples on MalwareBazaar
TLSH T15DF3C26937A11044DC6E1F791BA2191EC1BBFEA67E3EE64F5454B66087333C80813E9B
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 59592b6e07830e06 (3 x RustyStealer, 2 x AsyncRAT)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://86.68.222.14/XClient.exe
Verdict:
Malicious activity
Analysis date:
2024-04-17 11:21:52 UTC
Tags:
loader xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a window
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Moving a file to the Program Files subdirectory
Replacing 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:
hook
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.
Result
Threat name:
AsyncRAT, StormKitty, SugarDump, VenomRA
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
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: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to download and execute files (via powershell)
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected SugarDump
Yara detected Telegram RAT
Yara detected VenomRAT
Yara detected XenoRAT
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1427317 Sample: dgxK76VlXC.exe Startdate: 17/04/2024 Architecture: WINDOWS Score: 100 100 dentiste.ddns.net 2->100 102 pastebin.com 2->102 104 4 other IPs or domains 2->104 116 Snort IDS alert for network traffic 2->116 118 Found malware configuration 2->118 120 Malicious sample detected (through community Yara rule) 2->120 126 29 other signatures 2->126 11 dgxK76VlXC.exe 18 32 2->11         started        16 Mise   jour carte CPS.exe 2->16         started        18 Mise   jour carte CPS.exe 2->18         started        20 3 other processes 2->20 signatures3 122 Uses dynamic DNS services 100->122 124 Connects to a pastebin service (likely for C&C) 102->124 process4 dnsIp5 108 51.254.53.24, 7000 OVHFR France 11->108 110 dentiste.ddns.net 86.68.222.14, 49738, 49739, 49740 LDCOMNETFR France 11->110 112 api.telegram.org 149.154.167.220, 443, 49736 TELEGRAMRU United Kingdom 11->112 92 C:\Users\user\...\Mise   jour carte CPS.exe, PE32 11->92 dropped 94 C:\Users\user\AppData\Local\Temp\zwbctc.exe, PE32 11->94 dropped 96 C:\Users\user\AppData\Local\Temp\lkoqfz.exe, PE32 11->96 dropped 98 C:\Users\user\AppData\Local\Temp\alvdge.exe, PE32 11->98 dropped 158 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->158 160 Protects its processes via BreakOnTermination flag 11->160 162 Bypasses PowerShell execution policy 11->162 164 3 other signatures 11->164 22 zwbctc.exe 11->22         started        26 alvdge.exe 11->26         started        28 lkoqfz.exe 11->28         started        31 5 other processes 11->31 file6 signatures7 process8 dnsIp9 86 C:\Users\user\AppData\Roaming\system.exe, PE32 22->86 dropped 140 Multi AV Scanner detection for dropped file 22->140 142 Protects its processes via BreakOnTermination flag 22->142 144 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 22->144 33 cmd.exe 22->33         started        35 cmd.exe 22->35         started        38 cmd.exe 22->38         started        88 C:\Users\user\AppData\Roaming\...\alvdge.exe, PE32 26->88 dropped 40 alvdge.exe 26->40         started        114 ip-api.com 208.95.112.1, 49741, 80 TUT-ASUS United States 28->114 146 Antivirus detection for dropped file 28->146 148 Machine Learning detection for dropped file 28->148 150 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 28->150 43 WerFault.exe 28->43         started        152 Loading BitLocker PowerShell Module 31->152 45 conhost.exe 31->45         started        47 conhost.exe 31->47         started        49 conhost.exe 31->49         started        51 2 other processes 31->51 file10 signatures11 process12 file13 53 system.exe 33->53         started        69 2 other processes 33->69 128 Suspicious powershell command line found 35->128 130 Tries to download and execute files (via powershell) 35->130 57 conhost.exe 35->57         started        59 powershell.exe 35->59         started        61 powershell.exe 35->61         started        71 2 other processes 35->71 63 conhost.exe 38->63         started        65 schtasks.exe 38->65         started        90 C:\Users\user\AppData\Local\...\tmp783F.tmp, ASCII 40->90 dropped 132 Multi AV Scanner detection for dropped file 40->132 134 Installs a global keyboard hook 40->134 67 schtasks.exe 40->67         started        signatures14 process15 dnsIp16 106 pastebin.com 104.20.4.235, 443, 49748, 49752 CLOUDFLARENETUS United States 53->106 136 Multi AV Scanner detection for dropped file 53->136 138 Protects its processes via BreakOnTermination flag 53->138 73 cmd.exe 53->73         started        76 conhost.exe 67->76         started        signatures17 process18 signatures19 154 Suspicious powershell command line found 73->154 156 Tries to download and execute files (via powershell) 73->156 78 conhost.exe 73->78         started        80 powershell.exe 73->80         started        82 powershell.exe 73->82         started        84 2 other processes 73->84 process20
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Status:
Malicious
First seen:
2024-04-16 20:48:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:asyncrat family:stormkitty family:xenorat family:xworm botnet:default persistence rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
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
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Contains code to disable Windows Defender
Detect Xworm Payload
StormKitty
StormKitty payload
XenorRat
Xworm
Malware Config
C2 Extraction:
dentiste.ddns.net:7000
86.68.222.14:7000
51.254.53.24:7000
dentiste.ddns.net:7010
dentiste.ddns.net
Dropper Extraction:
http://xcu.exgaming.click
http://xcu5.exgaming.click
Unpacked files
SH256 hash:
87189ae08967742a49ed5e98fc5731af9fa843b4bde08151ac5d16a71f0052f6
MD5 hash:
d0685487fa7e474e68a40a1b1ff49b60
SHA1 hash:
069285708e07814d852bbd5f39a7ffbb3c9e2d94
Detections:
XWorm INDICATOR_SUSPICIOUS_EXE_TelegramChatBot MALWARE_Win_XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_simple_strings
Author:Matthew @ Embee_Research
Description:Detects simple strings present in unobfuscated xworm

File information


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

Web download

AsyncRAT

Executable exe 87189ae08967742a49ed5e98fc5731af9fa843b4bde08151ac5d16a71f0052f6

(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



Avatar
zbet commented on 2024-04-17 11:34:46 UTC

url : hxxp://86.68.222.14/XClient.exe