MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc813f0190bf6e0339c33fb5ef149bb7a7561f46bbad75c4a843c126d3be4b30. 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: 15


Intelligence 15 IOCs YARA 20 File information Comments

SHA256 hash: dc813f0190bf6e0339c33fb5ef149bb7a7561f46bbad75c4a843c126d3be4b30
SHA3-384 hash: 3df7779c35132791cbccb42ce5509e0b92dafe716d0ca20314a850eaf7aa00758718364d321ef1573c1374b03d63ac01
SHA1 hash: 0d5a469c2191b26c4c977af1d7b5c80aff7a142c
MD5 hash: 00e00e2ee8fb97824142b7774ed50b7d
humanhash: carolina-oregon-avocado-bravo
File name:00e00e2ee8fb97824142b7774ed50b7d.exe
Download: download sample
Signature AsyncRAT
File size:230'912 bytes
First seen:2023-06-30 07:19:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:P8XN6W8mm0TxQMbUbixoIuv2NeUAHGp9i1:kN6q5rbkvgL76
Threatray 59 similar samples on MalwareBazaar
TLSH T1AC348F1037DA666AE3FF9BB8F460011583B2E4137627C7AF1AC498F90C93715D990BB6
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)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
00e00e2ee8fb97824142b7774ed50b7d.exe
Verdict:
Malicious activity
Analysis date:
2023-06-30 07:22:27 UTC
Tags:
ransomware stealer asyncrat

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
Using the Windows Management Instrumentation requests
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Creating a window
Running batch commands
Launching a process
Launching the process to change network settings
Сreating synchronization primitives
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat cmd crypto data findstr hacktool lolbin net netsh njrat packed rat reg replace 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.
Malware family:
Stealerium Stealer
Verdict:
Malicious
Result
Threat name:
AsyncRAT, StormKitty, WorldWind Stealer
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Sigma detected: Capture Wi-Fi password
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 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 WorldWind Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 896711 Sample: uPeu0CVpyu.exe Startdate: 30/06/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 15 other signatures 2->51 7 uPeu0CVpyu.exe 15 142 2->7         started        process3 dnsIp4 39 127.0.0.1 unknown unknown 7->39 41 140.244.14.0.in-addr.arpa 7->41 43 4 other IPs or domains 7->43 31 C:\Users\user\AppData\...\UNKRLCVOHV.png, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\TQDFJHPUIU.docx, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\VWDFPKGDUF.png, ASCII 7->35 dropped 37 2 other malicious files 7->37 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->53 55 May check the online IP address of the machine 7->55 57 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 7->57 59 3 other signatures 7->59 12 cmd.exe 1 7->12         started        15 cmd.exe 1 7->15         started        file5 signatures6 process7 signatures8 61 Uses netsh to modify the Windows network and firewall settings 12->61 63 Tries to harvest and steal WLAN passwords 12->63 17 netsh.exe 3 12->17         started        19 conhost.exe 12->19         started        21 findstr.exe 1 12->21         started        23 chcp.com 1 12->23         started        25 netsh.exe 3 15->25         started        27 conhost.exe 15->27         started        29 chcp.com 1 15->29         started        process9
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-06-30 01:23:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default rat spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information via web service
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6154715708:AAGKCDwosu3IuPM9RPnUhnOetL8Sftgqoy0/sendMessage?chat_id=1165040754
Unpacked files
SH256 hash:
dc813f0190bf6e0339c33fb5ef149bb7a7561f46bbad75c4a843c126d3be4b30
MD5 hash:
00e00e2ee8fb97824142b7774ed50b7d
SHA1 hash:
0d5a469c2191b26c4c977af1d7b5c80aff7a142c
Detections:
WorldWindStealer win_asyncrat_w0
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: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_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_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. 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 artifcats 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: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:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pe_imphash
Rule name:prynt_stealer
Author:Nikos 'n0t' Totosis
Description:Prynt Stealer Payload
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: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

File information


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

Web download

AsyncRAT

Executable exe dc813f0190bf6e0339c33fb5ef149bb7a7561f46bbad75c4a843c126d3be4b30

(this sample)

  
Delivery method
Distributed via web download

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