MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dba2ac1f543d24b14ca1fdf0e1e2d8333c5cc669f78afc905d512aed21e6b2f. 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: 9


Intelligence 9 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8dba2ac1f543d24b14ca1fdf0e1e2d8333c5cc669f78afc905d512aed21e6b2f
SHA3-384 hash: 8e67f29a23463d37414a96f4db8157df5f11f302032c3b52e8aba659ae07e47160abd90c1e9e34222c35f80f9e7908a0
SHA1 hash: 9c0c54e69f4603ad6566cd6e81ecff242c2bb0de
MD5 hash: 99b48c03c4ff907b9670a0de6a266253
humanhash: whiskey-nuts-texas-two
File name:99b48c03c4ff907b9670a0de6a266253
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:223'776 bytes
First seen:2023-10-10 23:34:03 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 3072:7Xo+jQdMhvSWm8+B0RjcGd1F9h/IleqxEAY5clv3mD/DZgIIG0O:bzjQdMhvFuO
TLSH T1AB24DE4ED73BDDB1BBB11EFA188D68873134F5E3B2C239A55E8D5D5881A01C922C609F
Reporter r3dbU7z
Tags:AsyncRAT powershell ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
RU RU
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.113.9558.UNOFFICIAL
Create hunting rule

Verdict:
No Threat
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6525dfa71e07d7e1e9be174d/reports/4f279833-bea5-4a23-a65c-3641ae4f355a/overview
Verdict:
Suspicious
Labled as:
Trojan.PowerShell.Kryptik
Link:
https://www.hybrid-analysis.com/sample/8dba2ac1f543d24b14ca1fdf0e1e2d8333c5cc669f78afc905d512aed21e6b2f
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1323478
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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 dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8dba2ac1f543d24b14ca1fdf0e1e2d8333c5cc669f78afc905d512aed21e6b2f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-10 23:35:05 UTC
File Type:
Text (Batch)
AV detection:
2 of 38 (5.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rw5cvqpvipjewfgkd7pq4hrnqmz4ltdgt54k7sif2ujk5uq6nmxq._file
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8dba2ac1f543/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8dba2ac1f543d24b14ca1fdf0e1e2d8333c5cc669f78afc905d512aed21e6b2f

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
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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

PowerShell (PS) ps1 8dba2ac1f543d24b14ca1fdf0e1e2d8333c5cc669f78afc905d512aed21e6b2f

(this sample)

  
Delivery method
Distributed via web download

Comments