MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa. 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 19 File information Comments
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SHA256 hash: 7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa
SHA3-384 hash: 2b391525f8c7bfbe1f266dfda9832cb8d00221bd3f5cef0d3a0513d4baf86bbd2455f952db936a70c2d4b1c16b46a909
SHA1 hash: 343726364297f2ca5d4ee6ef27a81b15e21fd4b2
MD5 hash: 6d947dc383b8ba3288bcc62596542a49
humanhash: river-chicken-minnesota-yellow
File name:7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa.exe
Download: download sample
Signature AsyncRAT
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File size:231'424 bytes
First seen:2023-03-30 14:17:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:u+STW8djpN6izj8mZwk72RH7UbBgNcaUTLLHjezfRh3/Et986+WpC:T8XN6W8mmk7SUbMUbjeRhPK
Threatray 35 similar samples on MalwareBazaar
TLSH T19C348D143BD95A2AE3BFD7B8F47001219772E4136527CBAF2AD488E91CA3315D940FB2
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 0x746f6d6669
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa.exe
Verdict:
Malicious activity
Analysis date:
2023-03-30 14:21:42 UTC
Tags:
stealerium asyncrat blackguard
Link:
https://app.any.run/tasks/2ce02e0b-b761-4bef-b96a-c8ab31f7e699

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/378851/
Detection(s):
Win.Packed.AsyncRAT-9938103-1
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Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
83%
Tags:
anti-vm asyncrat cmd.exe hacktool net njrat packed rat stealer
Link:
https://www.filescan.io/uploads/64259a1c8e162174987d85ac/reports/f1ca563d-bf4d-4512-8454-fecd7a74f24b/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bd8efeab-d3a7-4e98-88a7-38b25d93013e
Result
Threat name:
AsyncRAT, StormKitty, WorldWind Stealer
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Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1205240
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838154 Sample: 0wn3mo3qWy.exe Startdate: 30/03/2023 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 0wn3mo3qWy.exe 15 111 2->7         started        process3 dnsIp4 39 54.229.13.0.in-addr.arpa 7->39 41 api.telegram.org 149.154.167.220, 443, 49708, 49709 TELEGRAMRU United Kingdom 7->41 43 3 other IPs or domains 7->43 31 C:\Users\user\AppData\...\ZUYYDJDFVF.png, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\WDBWCPEFJW.jpg, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\ZUYYDJDFVF.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
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Status:
Malicious
First seen:
2023-03-30 01:36:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pwztdbpr5mimtlj2qxzyyq3nmwlvwkvsbcdwqoeyuj72l63ymt5a._file
Verdict:
malicious
Similar samples:
7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab
AsyncRAT
7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa
AsyncRAT
85ca4cd1bdc0b219e0513bca055913d18debf0e6ef752a5814cb9b87af2bd646
AsyncRAT
b8f409e32caf95736c07d32de5f049382734eac7b5f5391fc270449d69ee94a3
AsyncRAT
d2274cca6f30f46595535f1b67f2f4e493eb97ec1a11258bd73ed6bd702d025d
AsyncRAT
ed3b960271a87aeba0b4b1f8fbf4883277aeffd8162ac5ec01cd6b39e7b506b9
AsyncRAT
ffd4eb84d30487daae13452db290c8a31332a93e818fa88cdc2f8041fd035c57
AsyncRAT
+ 25 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
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Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default rat spyware stealer
Link:
https://tria.ge/reports/230330-rl9yqaed81/
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/bot1675074810:AAHEEllh3coYCYZg222nkWnMeo1ufI7LvTI/sendMessage?chat_id=1604540576
Unpacked files
SH256 hash:
7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa
MD5 hash:
6d947dc383b8ba3288bcc62596542a49
SHA1 hash:
343726364297f2ca5d4ee6ef27a81b15e21fd4b2
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
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Link:
https://www.unpac.me/results/85c26db8-b7b5-49a4-8e70-2881d4b15097/
Malware family:
AsyncRAT
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7db33185f1eb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa

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
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
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
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Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
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Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Create hunting rule
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Create hunting rule
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
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:XWorm_Hunter
Create hunting rule
Author:Potato

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/378851/

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