MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff. 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: 16

Intelligence 16 IOCs YARA 19 File information Comments 1

SHA256 hash:	fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff
SHA3-384 hash:	8b150ac4b1c51448cdc65aae86394110f86f7f804901758f110ca60d9cd3704ed6dbddcd44da2d1da1e20a54b49f34ef
SHA1 hash:	a06b82209afc3e244182836a4941a1fb607bab45
MD5 hash:	079a1bc8064d6c3ed47dea7ae468265f
humanhash:	romeo-papa-fix-wisconsin
File name:	build.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	64'512 bytes
First seen:	2025-02-08 15:53:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'075 x AgentTesla, 20'033 x Formbook, 12'353 x SnakeKeylogger)
ssdeep	1536:3vCCPTVL/V5blp9AUbDh9FK6NDSuBiPugdpqKmY7:3vvN/VbAUbDpNDnQGz
TLSH	T1C9534A003798C926E6AE46B8BCF345000AB1D5772116DA5E7CC810DBAB5FFC64A527FE
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	aachum
Tags:	AsyncRAT exe

iamaachum

https://github.com/legendary6911331/kdsfkdsfkfdsdfs/releases/download/dsfgdfgsgsfgsgdf/build.exe

AsyncRAT C2: 217.156.50.170:5901

Intelligence

File Origin

# of uploads :

# of downloads :

450

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

build.exe

Verdict:

Malicious activity

Analysis date:

2025-02-08 15:55:33 UTC

Tags:

asyncrat fody

Link:

https://app.any.run/tasks/68fc9245-1f33-461b-9b70-c9bf7e96aaed

Note:

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

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Malware.Enigmaprotector-9874743-0

Win.Malware.Enigmaprotector-9881027-0

Win.Trojan.AsyncRAT-9914220-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Verdict:

Malicious

Labled as:

Backdoor.Marte.VenomRAT.Generic

Link:

https://www.hybrid-analysis.com/sample/fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/218c3e03-2d3b-49f2-b73e-f91734774bdb

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1610134

Signature

Antivirus / Scanner detection for submitted sample

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Yara detected AsyncRAT

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff/

Threat name:

ByteCode-MSIL.Backdoor.MarteVenomRAT

Status:

Malicious

First seen:

2025-02-08 15:53:14 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7sk2tbtxljkigxehshl73gl5f5fhgxmrzp6o4ze4py6nz5cfwt7q._file

Verdict:

malicious

Label(s):

asyncrat

Similar samples:

error

AsyncRAT

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default discovery rat

Link:

https://tria.ge/reports/250208-tbqs7svnek/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Downloads MZ/PE file

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

217.156.50.170:5901

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9807129-0

YARA:

asyncrat win_asyncrat_unobfuscated Windows_Generic_Threat_ce98c4bc

Link:

https://app.threat.zone/submission/63ce93ce-318f-4d72-8482-af80f5131125

Unpacked files

SH256 hash:

fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff

MD5 hash:

079a1bc8064d6c3ed47dea7ae468265f

SHA1 hash:

a06b82209afc3e244182836a4941a1fb607bab45

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/2a464d42-a781-4670-9ef3-48d95b79508a/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fc95a986775a/report/overview.html

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/fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff

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:	AcRat Create hunting rule
Author:	Nikos 'n0t' Totosis
Description:	AcRat Payload (based on AsyncRat)

Rule name:	dcrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_rkp Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects DCRat payloads

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_SUSPICIOUS_EXE_DcRatBy Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing the string DcRatBy

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:	Mal_WIN_AsyncRat_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.

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:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

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)

File information

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

Web download

AsyncRAT

exe fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff

(this sample)

Link

https://tria.ge/250208-s6tmxatjax/

Dropped by

Amadey

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

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commented on 2025-02-08 15:55:46 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "fc95a986775a54835c8791d7fd997d2f4a735d91cbfcee649c7e3cdcf445b4ff",
"yara_possible_family": "dcrat",
"key": "88ddebdd31c27ac7ac41bb0116bc52b1fd5c1e3a9f07046df7639ca9b0324840",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"5901"
],
"Hosts": [
"217.156.50.170"
],
"Version": "",
"Install": "false",
"InstallFolder": "%AppData%",
"InstallFile": "",
"Key": "b1FJQ2tVQ25Ud2tHNXlyZEhJcGJRRk5yTVpCclNrU20=",
"Mutex": "wfMCr4\u064aB6\u8d3cFhbwGV",
"Certificate": "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",
"Serversignature": "fHwjDkbgcFPz91fe7HHFLPshZQwqsZtz+8EzYpleZvBHhbEF1+otTFeSqs/DdV2a5pgXEoMTEpahydoHtl8/6qlmg/RBDiBqINVMC9JEp//CJqzHoim2ruG+tT0YjLgY2Xxc2QLiQ2gPK7w/tcoUhyqlJGFg1718CaqjG/lhtVM=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "true",
"Anti": "true"
}
}