MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 188599d3566db6b2a16fbc7a8ca1fc58a3a92a75522a13beb4f0cb2f8cd1da7d. 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 15 File information Comments 1

SHA256 hash: 188599d3566db6b2a16fbc7a8ca1fc58a3a92a75522a13beb4f0cb2f8cd1da7d
SHA3-384 hash: fd9b53ed893759cc21a219c02986aa0c5532408c1e9c3a9407f36a4f4f48eaf925c0f68915a4f384e65ec1b620b87c56
SHA1 hash: 3b9476565a7d6951024e466009b4cca10cea01c6
MD5 hash: edc44d75d9e3205cbd90be3d8352f504
humanhash: uranus-maine-magnesium-harry
File name:edc44d75d9e3205cbd90be3d8352f504
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2023-10-09 12:21:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:taIO5VILWCyh+DiP1IU81l/4iU08YbEgeSHT2MI7vEgK/JzZVc6KN:taPNdIT9zbLfHXI7nkJzZVclN
Threatray 120 similar samples on MalwareBazaar
TLSH T11A237D4037E8C136E2FD4BB5A9F3A24182B5D6671903CB492CC815AA2F13BC597436FE
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 zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
350
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Sending a custom TCP request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Launching a process
Creating a file
Transferring files using the Background Intelligent Transfer Service (BITS)
DNS request
Using BITS transfer job for data transfer
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat packed rat regedit replace
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, DcRat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to capture screen (.Net source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Suspicious powershell command line found
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1322145 Sample: 3wq5Dtw4up.exe Startdate: 09/10/2023 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 7 other signatures 2->40 9 3wq5Dtw4up.exe 3 4 2->9         started        process3 dnsIp4 32 185.169.180.143, 1604, 49711, 49713 IDEALHOSTINGTR Turkey 9->32 30 C:\Users\user\...\MercedesC63AMGRUHSAT.bat, ASCII 9->30 dropped 46 Queries memory information (via WMI often done to detect virtual machines) 9->46 14 cmd.exe 1 9->14         started        file5 signatures6 process7 signatures8 48 Suspicious powershell command line found 14->48 50 Bypasses PowerShell execution policy 14->50 52 Adds a directory exclusion to Windows Defender 14->52 17 powershell.exe 12 14->17         started        19 conhost.exe 14->19         started        process9 process10 21 cmd.exe 1 17->21         started        signatures11 42 Suspicious powershell command line found 21->42 44 Adds a directory exclusion to Windows Defender 21->44 24 powershell.exe 24 21->24         started        26 conhost.exe 21->26         started        28 fsutil.exe 1 21->28         started        process12
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-10-09 12:21:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 22 (95.45%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.169.180.143:1604
Unpacked files
SH256 hash:
188599d3566db6b2a16fbc7a8ca1fc58a3a92a75522a13beb4f0cb2f8cd1da7d
MD5 hash:
edc44d75d9e3205cbd90be3d8352f504
SHA1 hash:
3b9476565a7d6951024e466009b4cca10cea01c6
Detections:
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_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
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:Windows_Trojan_DCRat_1aeea1ac
Author:Elastic Security
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.

Web download

AsyncRAT

Executable exe 188599d3566db6b2a16fbc7a8ca1fc58a3a92a75522a13beb4f0cb2f8cd1da7d

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-10-09 12:21:02 UTC

url : hxxps://upload.vina-host.com/CQOwGIT7vk/windows.exe