MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79d9bea7099298aba783ac8333e7fc8d0220f7436757ce681b3057614a57ab05. 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 8 File information Comments

SHA256 hash:	79d9bea7099298aba783ac8333e7fc8d0220f7436757ce681b3057614a57ab05
SHA3-384 hash:	aff2dc32c29533bcb7030a233f5e178be2de942b5e9002669c0761068830758bf04be26232f19e14f876f74fba85d8f7
SHA1 hash:	8dc192a77fa53f3faf4889e0d7836293deb559b7
MD5 hash:	5dfa698be3649abe2f920e159b4d4b09
humanhash:	bakerloo-pennsylvania-ack-pennsylvania
File name:	SecuriteInfo.com.Trojan.Win32.Save.a.9450.14249
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	620'032 bytes
First seen:	2021-05-11 20:43:31 UTC
Last seen:	2021-05-11 21:05:12 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:YoLLoS60/K7yh0iIotTKCSuZlW7VcCOhXKQ6iZXS8ksGP32T:YoLAiIpP6W7xOVZ6eZGP
Threatray	793 similar samples on MalwareBazaar
TLSH	81D44AFC750464F9D35B5C23A3CF1C1682251274AA3B6A0B9B2103BE5A5BD273E399CD
Reporter	SecuriteInfoCom
Tags:	AsyncRAT

Intelligence

File Origin

# of uploads :

# of downloads :

189

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/155218/

Detection(s):

SecuriteInfo.com.Trojan.Win32.Save.a.9450.14249.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Launching the default Windows debugger (dwwin.exe)

Result

Verdict:

UNKNOWN

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:

76 / 100

Link:

https://www.joesandbox.com/analysis/779098

Signature

Injects a PE file into a foreign processes

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected AntiVM3

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/79d9bea7099298aba783ac8333e7fc8d0220f7436757ce681b3057614a57ab05/

Threat name:

ByteCode-MSIL.Spyware.Noon

Status:

Malicious

First seen:

2021-05-11 18:20:58 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 47 (48.94%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=phm35jyjskmkxj4dvsbthz74rubcb52dm5l442a3gblwcssxvmcq._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat rat

Link:

https://tria.ge/reports/210511-99qwdnxt76/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Async RAT payload

AsyncRat

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.74

Link:

https://yomi.yoroi.company/submissions/79d9bea7099298aba783ac8333e7fc8d0220f7436757ce681b3057614a57ab05

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:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time

Rule name:	pe_imphash Create hunting rule

Rule name:	Reverse_text_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Reverse text detected

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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

exe 79d9bea7099298aba783ac8333e7fc8d0220f7436757ce681b3057614a57ab05

(this sample)

Cape

https://www.capesandbox.com/analysis/155218/

URLhaus

https://urlhaus.abuse.ch/url/1221757/

Delivery method

Distributed via web download

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample