MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a. 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: 20

Intelligence 20 IOCs YARA 19 File information Comments 1

SHA256 hash:	f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a
SHA3-384 hash:	5c27f574672edfa40a0c8a19f6c61ef936390f0a5ffc45c6c253e945ebbfad70bb07fef5a70d0b26408df340e4f5ae20
SHA1 hash:	59b402494e1d5b0e3731a24cdfbe9cd081f4d080
MD5 hash:	70652bd2a24b1dfaee37c007cc89a60f
humanhash:	eleven-neptune-hydrogen-salami
File name:	Jerusalem.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	133'632 bytes
First seen:	2025-12-11 19:23:07 UTC
Last seen:	2025-12-12 03:45:05 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	1536:EUZnnDU12K+tz2yR5EkGbbKiq9fGOpLzanbVclN:EUZDU12K+tKS5JGbbK3xlunRY
Threatray	2'444 similar samples on MalwareBazaar
TLSH	T1C3D34D0027C4C7B3EDD965BF9F53C203016F9BA613B18E096C80258E766AE8765D399F
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	Amethyste
Tags:	AsyncRAT exe RAT

lucas83227

https://nangtamlonto.top/Jerusalem.exe

Intelligence

File Origin

# of uploads :

# of downloads :

126

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

DcRat PostExploitTool

Details

DcRat

c2 socket addresses, a version, a mutex, an SSL certificate and server signature, an interval, varying flags, and possibly a filepath and a group

Link:

https://research.acce.ciphertechsolutions.com/results/1b1e5dc9-a8ba-4dfb-9595-9bddf89ccc21/

Malware family:

asyncrat

ID:

File name:

_f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a.exe

Verdict:

Malicious activity

Analysis date:

2025-12-11 19:24:50 UTC

Tags:

asyncrat

Link:

https://app.any.run/tasks/575aee8e-8037-4949-8cca-0ff6b0250d39

Note:

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

Detection:

DCRat

Link:

https://www.capesandbox.com/analysis/44344/

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Win.Malware.Zusy-10034587-0

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=693b1a25a675b653bd10312d

Tags:

phishing dropper micro virus

Verdict:

Malicious

Labled as:

Backdoor.Marte.VenomRAT.Generic

Link:

https://www.hybrid-analysis.com/sample/f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-12-11T15:54:00Z UTC

Last seen:

2025-12-11T19:05:00Z UTC

Hits:

~10

Detections:

Backdoor.MSIL.Crysan.d Trojan.MSIL.DInvoke.sb HEUR:Trojan-PSW.MSIL.Agent.gen HEUR:Trojan.MSIL.Agent.gen HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.DcRat.gen Backdoor.MSIL.Darkrat.sb Backdoor.MSIL.Crysan.sb PDM:Trojan.Win32.Generic

Link:

https://opentip.kaspersky.com/f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4cca90c2-7766-49e9-a82c-dbc666260ff7

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a

Verdict:

njRat

YARA:

14 match(es)

Tags:

.Net DarkCrystal RAT DcRat Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.25 Win 32 Exe x86

Malware Config

C2 Extraction:

PORT: 444,1604,4782,5552,6606,7707,8080,8848,8888,9527

Link:

https://app.malva.re/file/70652bd2a24b1dfaee37c007cc89a60f

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2025-12-11 19:23:17 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=7a4kq6izgtwo2fzwqrwczscz5qyerqlmpqtye3hbbryvsiz3fbfa._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

7d762632cff476032847ec9e7eaaa403009624e1c1ec87cb92371e84df25945d

AsyncRAT

7d7db8dde2d6ebc5edbb5284336a3dd99f75e86952ba616f7d693d9a221c4b4d

AsyncRAT

b5a517e674d611f304c6f3ab0ab7c8e4b26a34df34bfcefdb0abb5cdabc6f37e

AsyncRAT

error

AsyncRAT

+ 2'434 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/251211-x3xbvafv9h/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

nangtamlonto.top:8080
nangtamlonto.top:8888
nangtamlonto.top:8848
nangtamlonto.top:9527
nangtamlonto.top:1604
nangtamlonto.top:4782
nangtamlonto.top:6606
nangtamlonto.top:7707
nangtamlonto.top:5552
nangtamlonto.top:4444
nangtamlonto.top:9999
malware.nangtamlonto.top:8080
malware.nangtamlonto.top:8888
malware.nangtamlonto.top:8848
malware.nangtamlonto.top:9527
malware.nangtamlonto.top:1604
malware.nangtamlonto.top:4782
malware.nangtamlonto.top:6606
malware.nangtamlonto.top:7707
malware.nangtamlonto.top:5552
malware.nangtamlonto.top:4444
malware.nangtamlonto.top:9999

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9807129-0

YARA:

Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated

Link:

https://app.threat.zone/submission/f1102c91-c6f5-4ec2-aa82-308a70261216

Unpacked files

SH256 hash:

f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a

MD5 hash:

70652bd2a24b1dfaee37c007cc89a60f

SHA1 hash:

59b402494e1d5b0e3731a24cdfbe9cd081f4d080

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/f90ee64d-3270-4ef7-a175-219fe8b077dd/

Malware family:

DCRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f838a8791934/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a

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:	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:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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 f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a

(this sample)

Malpedia

https://malpedia.caad.fkie.fraunhofer.de/details/win.asyncrat

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/44344/

Comments

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commented on 2025-12-11 19:26:01 UTC

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

{
"sha256": "f838a8791934eced1736846c2cc859ec3048c16c7c27826ce10c7159233b284a",
"yara_possible_family": "dcrat",
"key": "5e6ad2fd38132ab813460082adaab4c36ccb47d5e08fa61dd4cb35c706a8cc54",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"8080",
"8888",
"8848",
"9527",
"1604",
"4782",
"6606",
"7707",
"5552",
"4444",
"9999"
],
"Hosts": [
"nangtamlonto.top",
"malware.nangtamlonto.top"
],
"Version": " 1.0.7",
"Install": "false",
"InstallFolder": "%AppData%",
"InstallFile": "google_register.exe",
"Key": "cjEwZEd3YWhYNE1JMlRoelM4djhMQ25DZVNOVGFDZ0o=",
"Mutex": "DcRatMutex_qwqdanchun",
"Certificate": "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",
"Serversignature": "jQra8ViooNvGBgyBl+nSSrBjFtN7vEEVwnO5SauQumYy4bHdYkfjDlALlKJJZhyQAyomaq6krTfsElmH1IGQfNHFwfoevQYy2hkRjdxhHsuKKfNPAUOliW9H5X0EqwksSXA28vR/+6XM6J+jLNxiq/9GJ5eIIU1fZnrWD6+0T1o=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "false",
"Anti": "false"
}
}