MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e92ffaaee0217be3540c5a8e0b465d639008e15bb1335fc1aab14ef252f4072. 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 8 File information Comments

SHA256 hash:	1e92ffaaee0217be3540c5a8e0b465d639008e15bb1335fc1aab14ef252f4072
SHA3-384 hash:	bda3af4ec3717548fa8bad3291090c22fa6b2ec3a40a788be67e5aa055920ef833ac9d9d3ab3a3c6850b1659fa4455ce
SHA1 hash:	e978dc0e026fcf4568ec16a07fa99b296280221a
MD5 hash:	ef0c5acdff5bf9fc243aff27c092b91d
humanhash:	nineteen-zulu-seventeen-king
File name:	ef0c5acdff5bf9fc243aff27c092b91d.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	357'888 bytes
First seen:	2021-05-24 06:24:44 UTC
Last seen:	2021-05-24 07:04:10 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:3GtXQhf/888tFyBtB6Ux3pfiDlQfJaBmcFAlQImZB+grQIvc7n8dQSOALR3bAIAF:2d7airORU7tlfHEcV+5
Threatray	180 similar samples on MalwareBazaar
TLSH	C6746B1D4846BE27D2138BF98CE2F477C2ADA789FC9213AC6707B76ED45B12E219051C
Reporter	abuse_ch
Tags:	AsyncRAT exe RAT

Intelligence

File Origin

# of uploads :

# of downloads :

119

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ef0c5acdff5bf9fc243aff27c092b91d.exe

Verdict:

No threats detected

Analysis date:

2021-05-24 06:33:12 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/b1a5379a-5e0c-4bdf-9bb6-a796db9de253

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/161241/

Result

Verdict:

Clean

Maliciousness:

Behaviour

Sending a UDP request

Launching the default Windows debugger (dwwin.exe)

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

Link:

https://www.joesandbox.com/analysis/790060

Signature

.NET source code contains potential unpacker

.NET source code contains very large strings

Allocates memory in foreign processes

Creates an undocumented autostart registry key

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Writes to foreign memory regions

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/1e92ffaaee0217be3540c5a8e0b465d639008e15bb1335fc1aab14ef252f4072/

Threat name:

ByteCode-MSIL.Downloader.Seraph

Status:

Malicious

First seen:

2021-05-24 01:01:19 UTC

AV detection:

13 of 29 (44.83%)

Threat level:

3/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=d2jp7kxoail34nkaywuobndf2y4qbdqvxmjtl7a2vmko6jjpibza._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat rat

Link:

https://tria.ge/reports/210524-j7xcex72rs/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Async RAT payload

AsyncRat

Malware Config

C2 Extraction:

185.157.161.205:1973

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

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/1e92ffaaee0217be3540c5a8e0b465d639008e15bb1335fc1aab14ef252f4072

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_EXE_Packed_SmartAssembly Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with SmartAssembly

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

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 1e92ffaaee0217be3540c5a8e0b465d639008e15bb1335fc1aab14ef252f4072

(this sample)

Cape

https://www.capesandbox.com/analysis/161241/

URLhaus

https://urlhaus.abuse.ch/url/1261130/

Delivery method

Distributed via web download

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