MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b493666bcd9fc519f7190a993e3c2c9e7d2a910871c0be768d09f0f37035102. 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

SHA256 hash: 3b493666bcd9fc519f7190a993e3c2c9e7d2a910871c0be768d09f0f37035102
SHA3-384 hash: d59201e4d1ba03b09031d1b793e759d06d0319286331046248183526a1cde456d4e6bfa0ffc266ac0184b977d13f48da
SHA1 hash: f52511b1d85ce0c84391a9ee1442ba7163d98ba2
MD5 hash: 7b06598763fb325a3879fc4acece48ee
humanhash: vegan-paris-xray-freddie
File name:7b06598763fb325a3879fc4acece48ee.exe
Download: download sample
Signature AsyncRAT
File size:360'448 bytes
First seen:2023-08-16 14:30:18 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:dhCwETWFRTZaUVDwngXHd3rBFX7UCFVHxPIvnTUW49Eufvd9JkOuI:ewE+TZjVDZt3rBhUiVHxPsoW4Dfvd9JN
Threatray 3'148 similar samples on MalwareBazaar
TLSH T1BA744B58B610B18FE945F1F1D4A8EFB95A713EB48A2B4007B477369DB63E643CD210AC
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)
File icon (PE):PE icon
dhash icon 296b2d3b333b4f37 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
94.156.6.110:6767

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
7b06598763fb325a3879fc4acece48ee.exe
Verdict:
Malicious activity
Analysis date:
2023-08-16 14:33:32 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
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
DNS request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292214 Sample: FZz6VwpqZK.exe Startdate: 16/08/2023 Architecture: WINDOWS Score: 100 14 Multi AV Scanner detection for domain / URL 2->14 16 Found malware configuration 2->16 18 Malicious sample detected (through community Yara rule) 2->18 20 10 other signatures 2->20 7 FZz6VwpqZK.exe 1 2->7         started        process3 signatures4 22 Detected unpacking (changes PE section rights) 7->22 10 FZz6VwpqZK.exe 7->10         started        process5 process6 12 WerFault.exe 10->12         started       
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:defaultv 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
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
greightcethebui.sytes.net:1414
greightcethebui.sytes.net:6767
wreightcethebui.sytes.net:1414
wreightcethebui.sytes.net:6767
Unpacked files
SH256 hash:
c5e93d86ecf2be7e65ec7ed449f0493a55f362fd5a3a01a09f8afdf8528043d2
MD5 hash:
467c8e0a63546969cab73235488d402e
SHA1 hash:
8e7592d5e83a7fb34621c0874e73b29ebc55b18a
SH256 hash:
3e009ebc1be93ce095ce9be024855d7d14afa60434891b9ab4a79ff35c6b496e
MD5 hash:
273b14abaf697e74b3ee5a97729fe355
SHA1 hash:
6d5916a6e5fb6b260f7e89f2512b904a17f16f2f
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
3b493666bcd9fc519f7190a993e3c2c9e7d2a910871c0be768d09f0f37035102
MD5 hash:
7b06598763fb325a3879fc4acece48ee
SHA1 hash:
f52511b1d85ce0c84391a9ee1442ba7163d98ba2
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 3b493666bcd9fc519f7190a993e3c2c9e7d2a910871c0be768d09f0f37035102

(this sample)

  
Delivery method
Distributed via web download

Comments