MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e. 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: 17


Intelligence 17 IOCs YARA 24 File information Comments
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SHA256 hash: 7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e
SHA3-384 hash: 3ad576664fde05f71046ddb00d9c4e32ada8ea87e2262031dbdb37cbc610c8fbbdf085b2b2b81df32f9b54289449829f
SHA1 hash: 93091c7c56c6c183dd5936085e1b7b57fad5224e
MD5 hash: ecbd37c3d75e81c121cd89bff24dcfc4
humanhash: artist-social-missouri-indigo
File name:ecbd37c3d75e81c121cd89bff24dcfc4.exe
Download: download sample
Signature AsyncRAT
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File size:174'080 bytes
First seen:2023-06-28 14:42:24 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:S+STW8djpN6izj8mZwP900qo2HD9avlCIPu/i9bSJ2crcgR6+WpP:P8XN6W8mmP9kHDYd/PSi9b6
Threatray 49 similar samples on MalwareBazaar
TLSH T10F044A1437E85919E3FF9FB8F4B002258BB2F823A517D76F199458EE2D62344D910BB2
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
ecbd37c3d75e81c121cd89bff24dcfc4.exe
Verdict:
Malicious activity
Analysis date:
2023-06-28 14:45:31 UTC
Tags:
stealerium stealer asyncrat evasion
Link:
https://app.any.run/tasks/974b56c1-8ef9-4f1f-beed-be1cd175eedd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
StormKitty
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Link:
https://www.capesandbox.com/analysis/403583/
Detection(s):
Win.Packed.AsyncRAT-9856570-1
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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
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
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
Link:
https://www.filescan.io/uploads/649c46f82aeaabaa7b777e9d/reports/3ef61b78-e321-4da7-bde1-87de7e44f6b2/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1381ead0-58a8-4cab-8611-eb879fb91fd2
Result
Threat name:
AsyncRAT, StormKitty, WorldWind Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1262737
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 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 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: 895769 Sample: fa89AgepZ1.exe Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 15 other signatures 2->51 7 fa89AgepZ1.exe 15 144 2->7         started        process3 dnsIp4 39 127.0.0.1 unknown unknown 7->39 41 49.221.8.0.in-addr.arpa 7->41 43 3 other IPs or domains 7->43 31 C:\Users\user\AppData\...\SNIPGPPREP.pdf, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\PWZOQIFCAN.png, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\VWDFPKGDUF.pdf, 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/7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-06-28 13:56:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pl6ppaglcmhc2kkop3fhatfssfgvbrzyosg2impoe5o2zq7fgrha._file
Verdict:
malicious
Similar samples:
646d0fa0bc6f0b37f0eded18a574f927106e6b9ff18aa9a173d33ced3b25017c
AsyncRAT
6cdb8d1af85d10ed3022ae0a183e3e9dff0ad1bc4a90915e7e41b600154a349e
AsyncRAT
719169d99a13f958de7a3f58d34ac4262cc90924eea256c782ed0b82de6adc0a
AsyncRAT
7335f630871bdc94e06188a1f0fd432e62fda760498ba0cfbccfd3b2ec2626ab
AsyncRAT
7db33185f1eb10c9ad3a85f38c436d65975b2ab20887683898a27fa5fb7864fa
AsyncRAT
969182320bfbad6534c5180717656b2bc2f09e8180c4b6f826ee2e63b9210027
AsyncRAT
b8f409e32caf95736c07d32de5f049382734eac7b5f5391fc270449d69ee94a3
AsyncRAT
d2274cca6f30f46595535f1b67f2f4e493eb97ec1a11258bd73ed6bd702d025d
AsyncRAT
f70c31e042f65367e91089caab4a4b919211369f132fc8b9028f5607d574c00b
AsyncRAT
+ 39 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default rat spyware stealer
Link:
https://tria.ge/reports/230628-r3kp6aaa49/
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:AAHVX9D43hLAOXSm2JG6HA3z4wqn-qeyK6Y/sendMessage?chat_id=1165040754
Unpacked files
SH256 hash:
7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e
MD5 hash:
ecbd37c3d75e81c121cd89bff24dcfc4
SHA1 hash:
93091c7c56c6c183dd5936085e1b7b57fad5224e
Detections:
WorldWindStealer
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/0724deaf-abb4-4722-80c0-6988ecb01a93/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7afcf780cb13/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e

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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Create hunting rule
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
Create hunting rule
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
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Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
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:prynt_stealer
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:Prynt Stealer Payload
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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

File information

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

Web download

AsyncRAT

Executable exe 7afcf780cb130e2d294e7eca704cb2914d50c738748da431ee275dacc3e5344e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2671913/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/403583/

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