MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9ac25dfe30644f41c77c28d5cf7d879f829cecca2d2254dacae824bcc9a2128. 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: 10

Intelligence 10 IOCs 1 YARA 3 File information Comments

SHA256 hash:	f9ac25dfe30644f41c77c28d5cf7d879f829cecca2d2254dacae824bcc9a2128
SHA3-384 hash:	38bdf6fdd9853a17869f7292088a94a062cc5e22a378a17ccf49a1c8ec8f9125d51e988e0c7a7e4ee1b4e508479b46e6
SHA1 hash:	dbea5729e2eec56b025304f027d8cf82879f3314
MD5 hash:	ffc89b7469181d83e38f14b3493528ee
humanhash:	wyoming-cup-snake-mountain
File name:	ffc89b7469181d83e38f14b3493528ee.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	634'880 bytes
First seen:	2021-05-16 15:30:29 UTC
Last seen:	2021-05-16 16:34:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:6oLLoS60/K7yh0NJWKZXJnT2Q2oHdEv3OEfuQ1X:6oLACKZXm0dEJGQ1X
Threatray	17 similar samples on MalwareBazaar
TLSH	FBD44BBC765469F0E35B5D23A3CF0C0682251270A93B6A1F8B6007BE5A57E173E39D8D
Reporter	abuse_ch
Tags:	AsyncRAT exe RAT

abuse_ch

AsyncRAT C2:
66.154.113.12:8808

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
66.154.113.12:8808	https://threatfox.abuse.ch/ioc/43527/

Intelligence

File Origin

# of uploads :

# of downloads :

155

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ffc89b7469181d83e38f14b3493528ee.exe

Verdict:

Malicious activity

Analysis date:

2021-05-16 15:32:30 UTC

Tags:

trojan rat asyncrat

Link:

https://app.any.run/tasks/239ceee9-c4d2-4212-a88b-979ef2cd971a

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/157611/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Enabling autorun by creating a file

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.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/783058

Signature

.NET source code contains potential unpacker

Found malware configuration

Injects a PE file into a foreign processes

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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

Tries to harvest and steal browser information (history, passwords, etc)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM3

Yara detected AsyncRAT

Yara detected Costura Assembly Loader

Behaviour

Behavior Graph:

Download SVG

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/f9ac25dfe30644f41c77c28d5cf7d879f829cecca2d2254dacae824bcc9a2128/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-05-12 19:12:53 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7gwclx7dazcpihdxykgvz56yph4cttwmuljcktnmv2bexte2eeua._file

Verdict:

unknown

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat rat spyware stealer

Link:

https://tria.ge/reports/210516-dh38czm7en/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Async RAT payload

AsyncRat

Malware Config

C2 Extraction:

127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
66.154.113.12:6606
66.154.113.12:7707
66.154.113.12:8808

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/f9ac25dfe30644f41c77c28d5cf7d879f829cecca2d2254dacae824bcc9a2128

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_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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

Cape

https://www.capesandbox.com/analysis/157611/

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