MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33. 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: 8


Intelligence 8 IOCs YARA 22 File information Comments
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SHA256 hash: ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33
SHA3-384 hash: 2d0662a94a20c17886bbdd1087e754a7d26ca8946166bd3c0baea7aaa7b6a63d9a5e73382aead012addb588e3a08bea5
SHA1 hash: e6e852b2b898a4a587fb8244cb2c0f8c70002c83
MD5 hash: ab2a1f573270f0745562ea5c4c872392
humanhash: floor-foxtrot-mike-diet
File name:ab2a1f573270f0745562ea5c4c872392
Download: download sample
Signature AsyncRAT
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File size:228'494 bytes
First seen:2023-10-06 14:33:18 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 3072:tYe4kBysU1WH9MRHmo957JwI8/VC1JjQdMhvSWm8+B0RjcGd1F9h/IleqxEAY5cp:6e4kY1WH9SGo957KViJjQdMhvFuX
Threatray 3'175 similar samples on MalwareBazaar
TLSH T132245A0A8336CE6567EB0BD97E854D0F9020E251F2DD3898ED1A8A6481E33F5349F59F
Reporter r3dbU7z
Tags:AsyncRAT powershell ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
164
Origin country :
RU RU
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.21450.16306.UNOFFICIAL
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Gathering data
Verdict:
Malicious
Labled as:
BZC.PZQ.Pantera.140
Link:
https://www.hybrid-analysis.com/sample/ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321369
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
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/ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33/
Threat name:
Win32.Trojan.Pantera
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Status:
Malicious
First seen:
2023-10-06 14:34:06 UTC
File Type:
Text (PowerShell)
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=555ylawnaku3zoimqr2dsg2pmzloz7lrnk56rblui5vsvpnan4zq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
32bdc05f94a1cd79e80677c623332a0eb1fe83163a62f235c8a50d44034fea41
AsyncRAT
46e321489e9b76e1ccbf661d8d2972efb563de4817f67a9082da5283d2389ba8
AsyncRAT
6a30833b7ec13144c0ce90a7c6f805186b8a61f8a69e13ec684fe533682d65cf
AsyncRAT
88f4284bc8f0f23ab3b6c37b3c1ae3f04993af17c2b968900006960338898546
AsyncRAT
a16f217f8f881202ee1e2ce7dc8d5cc0b8f0b48efdfa520ae9832fbf7a9a46a7
AsyncRAT
b5d8b5335b711198a472093fa0455af5b2176dbb47a36525fbf7e5fefbbb6ad4
AsyncRAT
e2d7d2f29210d3f1f8cac37c94464ff541187a37911210c26c0f7938739bdab8
AsyncRAT
e359c6277dcebf7b485dd5b3e54f25d60b4bbacf25f9818ac3f8604317136f4d
AsyncRAT
e91838e3f9c6aa4e1e043fa30ac176081877347166e52aa9b9cb1e7f25acecbf
AsyncRAT
+ 3'165 additional samples on MalwareBazaar
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef7b8582cd02/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33

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
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Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__RemoteAPI
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
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Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
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Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
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Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
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Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
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Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
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Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
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Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
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Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
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Author:Elastic Security
Rule name:win_asyncrat_bytecodes
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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
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Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
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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 ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33

(this sample)

  
Delivery method
Distributed via web download

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