MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f8019ba1f837f109cf75b3aeb84e79900030e8f098302490dd7bca4d2345b0. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: c3f8019ba1f837f109cf75b3aeb84e79900030e8f098302490dd7bca4d2345b0
SHA3-384 hash: ff48e52254fb153b1bbf5d33e0f80c49b07d96f4483fb164c7856ea18612a0f3b621e726d920601a508376dc79b1ff97
SHA1 hash: afe20d323afd03c154c1902c579690d1abdd53e4
MD5 hash: bce0641169963d3a42c86e0bd7840409
humanhash: emma-carolina-don-island
File name:Invoice_61461.vbs
Download: download sample
Signature AsyncRAT
File size:7'762 bytes
First seen:2021-09-24 18:26:25 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 96:PXNTJhS9INIKMVGQRX8+HLz9spiINIVIWjnCQRX8Lnaa:PXNT2INIRRX8+Hm4INIVI8xRXAx
Threatray 1'486 similar samples on MalwareBazaar
TLSH T167F12F3CEA037ADD741D5E2D09CB77295A10C0B5C953E6F9C740FAAC69EEB40AB51238
Reporter abuse_ch
Tags:AsyncRAT RAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Creates an undocumented autostart registry key
Sigma detected: CrackMapExec PowerShell Obfuscation
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Trojan.Valyria
Status:
Malicious
First seen:
2021-09-24 18:27:07 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
Dropper Extraction:
http://104.41.205.251/dashboard/majit.txt
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:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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