MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976. 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: 14

Intelligence 14 IOCs YARA 11 File information Comments 1

SHA256 hash:	c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976
SHA3-384 hash:	2b553b8605dbf93175450ab89349b59d7482355133bbd668f87ef023a6b4d22a6912b2dfcb607e6edd72b1b1c28ee0d5
SHA1 hash:	138229440c3d7ca7b8103ae9f083edb9184acb39
MD5 hash:	3fcf6e47c7b54654d5ab3dad83697791
humanhash:	magnesium-mobile-blue-edward
File name:	3fcf6e47c7b54654d5ab3dad83697791
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	75'776 bytes
First seen:	2023-12-03 13:59:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	1536:8UUPcxVteCW7PMVWUaXnNIIrt71bi/Mf2UfQzcBLVclN:8UmcxV4x7PMV0nNlt71bikeUfQYBY
TLSH	T1AE734A013BD88D25F6AE4BB9ACF251074EF4D1576112DE9E3CC440CE6A67BC58A037EA
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	zbetcheckin
Tags:	32 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

322

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/462093/

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% subdirectories

Сreating synchronization primitives

Creating a window

Sending a custom TCP request

Setting a global event handler for the keyboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm asyncrat configsecuritypolicy evasive hacktool hook keylogger lolbin mpcmdrun msconfig msiexec njrat packed rat razy regedit replace schtasks

Link:

https://www.filescan.io/uploads/656c89e36d3af19226797407/reports/18f80eb8-4126-40b8-a435-c1c8bcaed58b/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976

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.

Malware family:

ModernLoader

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c4791504-5e24-421a-b2ba-e42861d74b48

Result

Threat name:

AsyncRAT, VenomRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1352548

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected AsyncRAT

Yara detected VenomRAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2023-11-29 16:47:37 UTC

AV detection:

21 of 23 (91.30%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=yvwfpz32gsev4i5ea5bacaq7kftjj3xvxelqgxbxlyctscs2jf3a._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/231203-ray23scd2v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Async RAT payload

AsyncRat

Malware Config

C2 Extraction:

10.0.2.15:449

Unpacked files

SH256 hash:

c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976

MD5 hash:

3fcf6e47c7b54654d5ab3dad83697791

SHA1 hash:

138229440c3d7ca7b8103ae9f083edb9184acb39

Detections:

VenomRat

INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice

win_asyncrat_unobfuscated

Link:

https://www.unpac.me/results/09152269-cd46-4280-9f1d-6a720c8e68bd/

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/c56c57e77a34895e23a4074201021f516694eef5b917035c375e05390a5a4976

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_WMI_EnumerateVideoDevice Create hunting rule
Author:	ditekSHen
Description:	Detects executables attemping to enumerate video devices using WMI

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

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

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)