MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3529c6b88e04480249854c8cb3cc07341685354991dc4ced4c3971e3bc4d3d2a. 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 20 File information Comments 1

SHA256 hash: 3529c6b88e04480249854c8cb3cc07341685354991dc4ced4c3971e3bc4d3d2a
SHA3-384 hash: ce3cbdb1ef54ca62dba326795f5d6fd883896b6877d2fa69e36b783a0e5aaccaffcd8eb97bc04ad0012b672fbcc3d47d
SHA1 hash: 99b002af85698934e7aebfa5e868f66da6a7d49d
MD5 hash: 7b566dff0009fe222c5876d1abfee47f
humanhash: ohio-equal-alaska-alabama
File name:7b566dff0009fe222c5876d1abfee47f
Download: download sample
Signature AsyncRAT
File size:240'640 bytes
First seen:2023-08-24 12:02:13 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 6144:9k8lAfbMNduwNhMsUU8VbBx5TFFkNERPgbyQI17iT0DxnOtWmII:9koMK8wXIV3FLR6yQIpiT0DxnOtWm1
Threatray 3'131 similar samples on MalwareBazaar
TLSH T139346B9C7260B2DFC857C472DEA81C64FA6138BB831F4117A42715ADAE4D99BCF250F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
7b566dff0009fe222c5876d1abfee47f
Verdict:
Malicious activity
Analysis date:
2023-08-24 12:04:13 UTC
Tags:
asyncrat rat remote

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
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
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
Creating a process from a recently created file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Detected unpacking (changes PE section rights)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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 signatures2 2 Behavior Graph ID: 1296648 Sample: VCEEMkl1Eo.exe Startdate: 24/08/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 9 VCEEMkl1Eo.exe 1 2->9         started        12 dsci.exe 2->12         started        process3 signatures4 54 Detected unpacking (changes PE section rights) 9->54 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->56 58 Injects a PE file into a foreign processes 9->58 60 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->60 14 VCEEMkl1Eo.exe 6 9->14         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 17 dsci.exe 2 12->17         started        process5 file6 38 C:\Users\user\AppData\Roaming\dsci.exe, PE32 14->38 dropped 19 cmd.exe 1 14->19         started        21 cmd.exe 1 14->21         started        process7 signatures8 24 dsci.exe 1 19->24         started        27 conhost.exe 19->27         started        29 timeout.exe 1 19->29         started        50 Uses schtasks.exe or at.exe to add and modify task schedules 21->50 31 conhost.exe 21->31         started        33 schtasks.exe 1 21->33         started        process9 signatures10 52 Injects a PE file into a foreign processes 24->52 35 dsci.exe 2 24->35         started        process11 dnsIp12 40 wreightcethebui.sytes.net 94.156.6.110, 1414, 49734 NET1-ASBG Bulgaria 35->40
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-08-24 12:03:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:eefaultp 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
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
wreightcethebui.sytes.net:1414
wreightcethebui.sytes.net:4884
palmgorohive.myddns.me:1414
palmgorohive.myddns.me:4884
Unpacked files
SH256 hash:
3529c6b88e04480249854c8cb3cc07341685354991dc4ced4c3971e3bc4d3d2a
MD5 hash:
7b566dff0009fe222c5876d1abfee47f
SHA1 hash:
99b002af85698934e7aebfa5e868f66da6a7d49d
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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: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

File information


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

Web download

AsyncRAT

Executable exe 3529c6b88e04480249854c8cb3cc07341685354991dc4ced4c3971e3bc4d3d2a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-08-24 12:02:14 UTC

url : hxxps://www.transportesevaristomadero.com/pbcontents/kjndgfnjregjwktgtrsgrsregtghthettyyghyt/jfskxgiowyrhn.exe