MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85. 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 12 File information Comments

SHA256 hash: 2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85
SHA3-384 hash: 3a96c09cb3e0ec391ebed95969b487350b7a57ab8d5939c82a134f8e63d232ddfd88c459067ee94d14d045876a474102
SHA1 hash: 00ee4ce63997cf724ba0548f84723b58cdab7d4c
MD5 hash: 6245024bd7965b1bb284f757884f12bb
humanhash: texas-vegan-arkansas-oranges
File name:ClientAny.exe
Download: download sample
Signature AsyncRAT
File size:75'776 bytes
First seen:2023-10-21 11:46:13 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 1536:pUhgcxnj3CuWPMVjYOUqiWyIJH1b8/VIM72QzcGLVclN:pU+cxnL1WPMVjYOUqL1H1b89f2QfBY
Threatray 294 similar samples on MalwareBazaar
TLSH T10F735B0137E88D2AF2AE47B97DF251070EF4D5676512CE5E2CC800DE5A67BC58A037EA
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 smica83
Tags:AsyncRAT exe HUN

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
ClientAny.exe
Verdict:
Malicious activity
Analysis date:
2023-10-21 11:47:53 UTC
Tags:
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
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Gathering data
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:
ModernLoader
Verdict:
Malicious
Result
Threat name:
AsyncRAT, VenomRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected VenomRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329664 Sample: ClientAny.exe Startdate: 21/10/2023 Architecture: WINDOWS Score: 100 32 venomkarhel.duckdns.org 2->32 34 pastebin.com 2->34 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 8 other signatures 2->46 8 System32.exe 14 2 2->8         started        12 ClientAny.exe 9 2->12         started        signatures3 process4 dnsIp5 36 venomkarhel.duckdns.org 82.131.152.206, 4449 DIGICABLEHU Hungary 8->36 38 pastebin.com 172.67.34.170, 443, 49713, 49717 CLOUDFLARENETUS United States 8->38 48 Antivirus detection for dropped file 8->48 50 Multi AV Scanner detection for dropped file 8->50 52 Protects its processes via BreakOnTermination flag 8->52 54 Machine Learning detection for dropped file 8->54 30 C:\Users\user\AppData\Roaming\System32.exe, PE32 12->30 dropped 15 cmd.exe 1 12->15         started        18 cmd.exe 1 12->18         started        file6 signatures7 process8 signatures9 56 Uses schtasks.exe or at.exe to add and modify task schedules 15->56 20 conhost.exe 15->20         started        22 schtasks.exe 1 15->22         started        24 System32.exe 3 18->24         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        process10
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-10-21 11:01:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:wifi rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85
MD5 hash:
6245024bd7965b1bb284f757884f12bb
SHA1 hash:
00ee4ce63997cf724ba0548f84723b58cdab7d4c
Detections:
VenomRat
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:AcRat
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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: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_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_asyncrat_unobfuscated
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information


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

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