MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e8322dea12684f3e7bd7c3673efe6616cc7588e82425eba31b5198fffa4fb01. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments

SHA256 hash: 9e8322dea12684f3e7bd7c3673efe6616cc7588e82425eba31b5198fffa4fb01
SHA3-384 hash: 860d0898726398cdf26137716b419c173484dd1ca79995b9d0674e726f48fffd66a03f38e9c7e71412bb048b78c37865
SHA1 hash: 1ee30222e4280f23bef9770b0022521a66c84c79
MD5 hash: 8ff30ec3731ef9eaf5564e7f1f9becbc
humanhash: bakerloo-asparagus-happy-princess
File name:8ff30ec3731ef9eaf5564e7f1f9becbc.exe
Download: download sample
Signature AsyncRAT
File size:230'912 bytes
First seen:2023-04-11 11:55:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 3072:lWzzLUvtOGq924tuHlSAFwAYybc8EQO8msPERl71Oh5GZzhvhk6QcQ8EKEHI:IzLcwV+uaEQOusf71OKZdvu6QcQ8ETI
Threatray 2'918 similar samples on MalwareBazaar
TLSH T133346B8C366472DFC827C876CD982C64EA6074BB571BD213A45726ED9A0DA9BCF140F3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 393dccda9a8c3d39 (4 x RemcosRAT, 3 x XenoRAT, 2 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8ff30ec3731ef9eaf5564e7f1f9becbc.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 12:01:34 UTC
Tags:
n/a

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

Behaviour
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
confuserex net packed packed
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 844634 Sample: h8KcSubuPt.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 44 dnuocc.com 2->44 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 9 other signatures 2->56 10 h8KcSubuPt.exe 1 2->10         started        14 asri.exe 2->14         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\h8KcSubuPt.exe.log, ASCII 10->42 dropped 62 Injects a PE file into a foreign processes 10->62 64 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->64 16 h8KcSubuPt.exe 6 10->16         started        66 Antivirus detection for dropped file 14->66 68 Multi AV Scanner detection for dropped file 14->68 70 Machine Learning detection for dropped file 14->70 19 asri.exe 2 14->19         started        signatures6 process7 file8 40 C:\Users\user\AppData\Roaming\asri.exe, PE32 16->40 dropped 21 cmd.exe 1 16->21         started        23 cmd.exe 1 16->23         started        process9 signatures10 26 asri.exe 1 21->26         started        29 conhost.exe 21->29         started        31 timeout.exe 1 21->31         started        58 Uses schtasks.exe or at.exe to add and modify task schedules 23->58 33 conhost.exe 23->33         started        35 schtasks.exe 1 23->35         started        process11 signatures12 60 Injects a PE file into a foreign processes 26->60 37 asri.exe 2 26->37         started        process13 dnsIp14 46 dnuocc.com 45.88.67.9, 49699, 8888 LVLT-10753US Bulgaria 37->46 48 192.168.2.1 unknown unknown 37->48
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-04-11 11:56:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:fnock rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
dnuocc.com:3309
dnuocc.com:8888
Unpacked files
SH256 hash:
9ccfe9888a7acdc89d7babb5ee25250fbb0633fbf5aec4f6b7dacb28e8e68c28
MD5 hash:
8c16b9f312b36224df8b5d31564bb70f
SHA1 hash:
3c2d1fdf31cf6f60ac8483de97c2dadca72246fc
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
9e8322dea12684f3e7bd7c3673efe6616cc7588e82425eba31b5198fffa4fb01
MD5 hash:
8ff30ec3731ef9eaf5564e7f1f9becbc
SHA1 hash:
1ee30222e4280f23bef9770b0022521a66c84c79
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:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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: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: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:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
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
Rule name:XWorm_Hunter
Author:Potato

File information


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

Web download

AsyncRAT

Executable exe 9e8322dea12684f3e7bd7c3673efe6616cc7588e82425eba31b5198fffa4fb01

(this sample)

  
Delivery method
Distributed via web download

Comments