MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ac3a11c0ec419ccdd2a447f7eaf403bb42fd813f9cf1ba837fbc2921a9af963. 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: 16


Intelligence 16 IOCs YARA 15 File information Comments

SHA256 hash: 3ac3a11c0ec419ccdd2a447f7eaf403bb42fd813f9cf1ba837fbc2921a9af963
SHA3-384 hash: 5e813cb069f8b67e6465ae4825564d086b7b98210d88ba333f3821c813b9ccd4cf70c2081096675f3cf2b416f72d2343
SHA1 hash: abfb527d94085e2e6d22632b5a42fd52b765dc8d
MD5 hash: 13fd50229aac13aac0c488f6cbe8f7ce
humanhash: hawaii-iowa-stream-massachusetts
File name:13fd50229aac13aac0c488f6cbe8f7ce.exe
Download: download sample
Signature AsyncRAT
File size:215'040 bytes
First seen:2023-05-18 01:55:26 UTC
Last seen:2023-05-18 13:42:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:ctyYtT/R0hlHLAGD0AlFYwaqElxX6n04nrBI:ctyYFinHL1FlGqsxX6n04nr6
Threatray 3'108 similar samples on MalwareBazaar
TLSH T176245A8D755472DFC86BC476DAA82C68BBA0747B831B9203A02715EE9E4C997CF141F3
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 d1d3d3c3e794c4e0 (2 x AsyncRAT, 1 x GuLoader)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
45.12.253.58:1515

Intelligence


File Origin
# of uploads :
2
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Bilgisi.exe
Verdict:
Malicious activity
Analysis date:
2023-05-15 10:50:15 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
Sending a custom TCP request
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
DNS request
Connecting to a non-recommended domain
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 quasar
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 868684 Sample: eQ6bxmwsT4.exe Startdate: 18/05/2023 Architecture: WINDOWS Score: 100 19 Multi AV Scanner detection for domain / URL 2->19 21 Found malware configuration 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 7 other signatures 2->25 7 eQ6bxmwsT4.exe 1 2->7         started        process3 file4 15 C:\Users\user\AppData\...\eQ6bxmwsT4.exe.log, ASCII 7->15 dropped 10 eQ6bxmwsT4.exe 7->10         started        process5 process6 12 WerFault.exe 24 11 10->12         started        dnsIp7 17 192.168.2.1 unknown unknown 12->17
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2023-05-15 11:12:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:vtokn 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
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
grotomnipobell.zapto.org:1515
grotomnipobell.zapto.org:2323
roollingstonecam.sytes.net:1515
roollingstonecam.sytes.net:2323
roollingstonecam.zapto.org:1515
roollingstonecam.zapto.org:2323
Unpacked files
SH256 hash:
3ac3a11c0ec419ccdd2a447f7eaf403bb42fd813f9cf1ba837fbc2921a9af963
MD5 hash:
13fd50229aac13aac0c488f6cbe8f7ce
SHA1 hash:
abfb527d94085e2e6d22632b5a42fd52b765dc8d
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

File information


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

Comments