MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2274cca6f30f46595535f1b67f2f4e493eb97ec1a11258bd73ed6bd702d025d. 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 20 File information Comments

SHA256 hash: d2274cca6f30f46595535f1b67f2f4e493eb97ec1a11258bd73ed6bd702d025d
SHA3-384 hash: 5f9e9fe215224deb964872119f33133776b408760cd09c70d9c6d3828e949d3f9ade3310833133d092921e5b69c31fa2
SHA1 hash: bdc5bee56769d229403a4c116875e65db2fd3e8c
MD5 hash: d59d7514d7df3d20f969fa6b5517eb01
humanhash: rugby-april-oranges-magnesium
File name:file
Download: download sample
Signature AsyncRAT
File size:174'080 bytes
First seen:2023-01-23 13:06:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:++STW8djpN6izj8mZwdJqutB+YDpqIPu/i9bVK2cPVI6+Wp7:j8XN6W8mmHPtppXPSi9b4
Threatray 29 similar samples on MalwareBazaar
TLSH T16504491437E81919E3FF9FB8F4B002158B72F823A523E76F28A458EE1D62745D550BB2
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 jstrosch
Tags:.NET AsyncRAT exe MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-23 13:13:13 UTC
Tags:
stealerium asyncrat evasion stealer

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

Behaviour
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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.exe hacktool njrat packed rat 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
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
Contains functionality to log keystrokes (.Net Source)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 789701 Sample: file.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 14 other signatures 2->51 7 file.exe 15 116 2->7         started        process3 dnsIp4 39 56.14.11.0.in-addr.arpa 7->39 41 api.telegram.org 149.154.167.220, 443, 49704, 49705 TELEGRAMRU United Kingdom 7->41 43 3 other IPs or domains 7->43 31 C:\Users\user\AppData\...\HQJBRDYKDE.jpg, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\BXAJUJAOEO.png, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\QFAPOWPAFG.docx, 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:
2023-01-23 13:07:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
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
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/bot5360303860:AAH_YAk63cASK9FV95ft07Rf6tjatzAINIE/sendMessage?chat_id=5676635446
Unpacked files
SH256 hash:
d2274cca6f30f46595535f1b67f2f4e493eb97ec1a11258bd73ed6bd702d025d
MD5 hash:
d59d7514d7df3d20f969fa6b5517eb01
SHA1 hash:
bdc5bee56769d229403a4c116875e65db2fd3e8c
Detections:
AsyncRAT 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_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
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_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 d2274cca6f30f46595535f1b67f2f4e493eb97ec1a11258bd73ed6bd702d025d

(this sample)

  
Delivery method
Distributed via web download

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