MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975. 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: 19


Intelligence 19 IOCs YARA 40 File information Comments

SHA256 hash: d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975
SHA3-384 hash: 4e417066382cfb004c3bdf4dde87dcaf227357acd034daf2ed0c443c161014ffca066c11a8a9b453d0e3cbbe53741dad
SHA1 hash: 4b4527fbd51763b51d4acebcf157ba3bd5082ce1
MD5 hash: 2aeeb429e9290526b96bf4b58b2411ad
humanhash: golf-quiet-montana-west
File name:d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975
Download: download sample
Signature AsyncRAT
File size:321'024 bytes
First seen:2024-06-12 16:26:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:48XN6W8mmHPtppXPSi9b4qt3GPMVRSbfWraqe9s:FN6qatppXP1t3jcWraq
Threatray 83 similar samples on MalwareBazaar
TLSH T18D647C0837E84929E3FF9BB8B8B112068A75F4176513CB5F1CD454EE1E72789C902BE6
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0f0b22323b8f1f1 (1 x AsyncRAT)
Reporter NDA0E
Tags:AsyncRAT exe StormKitty VenomRAT xworm


Avatar
NDA0E
VenomRAT C2: 119.59.98.116:7812
XWorm C2: 119.59.98.116:7812
StormKitty C2s: 127.0.0.1:6606, 127.0.0.1:8808, 127.0.0.1:7707

Intelligence


File Origin
# of uploads :
1
# of downloads :
376
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975
Verdict:
Malicious activity
Analysis date:
2024-06-12 16:24:06 UTC
Tags:
telegram stealer stormkitty evasion exfiltration asyncrat rat xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Banker Encryption Execution Generic Infostealer Network Stealth Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process with a hidden window
Creating a window
Searching for the window
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Running batch commands
Reading critical registry keys
Launching the process to change network settings
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat backdoor configsecuritypolicy crypto evasive findstr hacktool hook keylogger lolbin lolbin mpcmdrun msconfig msiexec net netsh njrat packed rat razy reg regedit remcos schtasks schtasks stealer
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, VenomRAT, WorldWin
Detection:
malicious
Classification:
rans.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
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Drops PE files with benign system names
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
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: Capture Wi-Fi password
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
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 Generic Downloader
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected VenomRAT
Yara detected WorldWind Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1456132 Sample: Hniunx426q.exe Startdate: 12/06/2024 Architecture: WINDOWS Score: 100 76 api.telegram.org 2->76 78 icanhazip.com 2->78 80 2 other IPs or domains 2->80 92 Snort IDS alert for network traffic 2->92 94 Found malware configuration 2->94 96 Malicious sample detected (through community Yara rule) 2->96 100 27 other signatures 2->100 9 Hniunx426q.exe 7 2->9         started        13 Windows Defender Security  Service.exe 2->13         started        15 Windows Defender security.exe 2->15         started        17 4 other processes 2->17 signatures3 98 Uses the Telegram API (likely for C&C communication) 76->98 process4 file5 68 C:\Users\user\AppData\Roaming\svchost.exe, PE32 9->68 dropped 70 C:\...\Windows Security Service Host.exe, PE32 9->70 dropped 72 C:\Users\...\Windows Defender security.exe, PE32 9->72 dropped 74 C:\Users\user\AppData\...\Hniunx426q.exe.log, ASCII 9->74 dropped 116 Found many strings related to Crypto-Wallets (likely being stolen) 9->116 118 Drops PE files with benign system names 9->118 19 svchost.exe 14 186 9->19         started        24 Windows Security Service Host.exe 9->24         started        26 Windows Defender security.exe 15 5 9->26         started        signatures6 process7 dnsIp8 82 icanhazip.com 104.16.185.241, 49708, 80 CLOUDFLARENETUS United States 19->82 84 api.mylnikov.org 172.67.196.114, 443, 49709 CLOUDFLARENETUS United States 19->84 86 127.0.0.1 unknown unknown 19->86 58 C:\Users\user\AppData\...\ZGGKNSUKOP.pdf, ASCII 19->58 dropped 60 C:\Users\user\AppData\...\PALRGUCVEH.xlsx, ASCII 19->60 dropped 62 C:\Users\user\AppData\...\JDDHMPCDUJ.png, ASCII 19->62 dropped 66 2 other malicious files 19->66 dropped 102 System process connects to network (likely due to code injection or exploit) 19->102 104 Multi AV Scanner detection for dropped file 19->104 106 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->106 112 4 other signatures 19->112 28 cmd.exe 19->28         started        31 cmd.exe 19->31         started        64 C:\...\Windows Defender Security  Service.exe, PE32 24->64 dropped 108 Protects its processes via BreakOnTermination flag 24->108 110 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 24->110 33 cmd.exe 24->33         started        35 cmd.exe 24->35         started        88 api.telegram.org 149.154.167.220, 443, 49705, 49711 TELEGRAMRU United Kingdom 26->88 90 119.59.98.116, 49706, 49707, 49710 METRABYTE-TH453LadplacoutJorakhaebuaTH Thailand 26->90 37 schtasks.exe 26->37         started        file9 signatures10 process11 signatures12 120 Uses netsh to modify the Windows network and firewall settings 28->120 122 Tries to harvest and steal WLAN passwords 28->122 39 conhost.exe 28->39         started        54 3 other processes 28->54 56 3 other processes 31->56 41 Windows Defender Security  Service.exe 33->41         started        44 conhost.exe 33->44         started        46 timeout.exe 33->46         started        124 Uses schtasks.exe or at.exe to add and modify task schedules 35->124 48 conhost.exe 35->48         started        50 schtasks.exe 35->50         started        52 conhost.exe 37->52         started        process13 signatures14 114 Protects its processes via BreakOnTermination flag 41->114
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2024-06-07 17:56:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:asyncrat family:stormkitty family:xworm botnet:default persistence rat spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
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
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information 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
Detect Xworm Payload
StormKitty
StormKitty payload
Xworm
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6110313252:AAE6fFOzBefHnbenT-1DwxI9EBeZQTxbYGk/sendMessage?chat_id=6291749148
119.59.98.116:7812
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c93c27a171d7a883f34e944d16bb47f0e949eb36181060f923e4d8df8da24298
MD5 hash:
454abb9d524208fb694e7e70c0fbc56a
SHA1 hash:
060037a032fa3ccf469d902e12c1523e00040748
Detections:
XWorm INDICATOR_SUSPICIOUS_EXE_TelegramChatBot MALWARE_Win_XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
SH256 hash:
27d16a4b6970b62bc05c437177605391f7788a3e602e69da9d1375ace81b4ee2
MD5 hash:
c3f58ffd73d3afc5cc08a29dc5a864c8
SHA1 hash:
aad0a8c93043e3a4f7c422278c9c02a016ed55b7
Detections:
VenomRat AsyncRAT INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
SH256 hash:
d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975
MD5 hash:
2aeeb429e9290526b96bf4b58b2411ad
SHA1 hash:
4b4527fbd51763b51d4acebcf157ba3bd5082ce1
Detections:
XWorm WorldWindStealer win_asyncrat_w0 INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon INDICATOR_SUSPICIOUS_EXE_TelegramChatBot SUSP_NET_Msil_Suspicious_Use_StrReverse INDICATOR_SUSPICIOUS_EXE_Discord_Regex INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse MALWARE_Win_XWorm cn_utf8_windows_terminal INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice INDICATOR_SUSPICIOUS_EXE_References_VPN win_mal_XWorm MALWARE_Win_WorldWind INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL MALWARE_Win_Multi_Family_InfoStealer MALWARE_Win_AsyncRAT MALWARE_Win_StormKitty INDICATOR_SUSPICIOUS_EXE_CC_Regex INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID asyncrat INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_RAT_XWorm_April2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_Multi_Family_InfoStealer
Author:ditekSHen
Description:Detects Prynt, WorldWind, DarkEye, Stealerium and ToxicEye / TelegramRAT infostealers
Rule name:MALWARE_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MALWARE_Win_WorldWind
Author:ditekSHen
Description:Detects WorldWind infostealer
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:venomrat
Author:jeFF0Falltrades
Rule name:Windows_Generic_Threat_2bb6f41d
Author:Elastic Security
Rule name:Windows_Generic_Threat_62e1f5fc
Author:Elastic Security
Rule name:Windows_Generic_Threat_b509dfc8
Author:Elastic Security
Rule name:Windows_Generic_Threat_ce98c4bc
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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.

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