MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197. 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 18 File information Comments

SHA256 hash:	ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197
SHA3-384 hash:	81f287f8c055ffbc0ef89f604bf419abc3e15589fa5392563a398940779e6f17c7c624032c912eddd998d4223e1644d7
SHA1 hash:	68df8fc65678a7dcaf4f4ae4e6a588f5534516d9
MD5 hash:	5b0b58d793d8dce4f1c6348774659e0e
humanhash:	batman-lemon-michigan-sweet
File name:	AetherOddsSync.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	86'016 bytes
First seen:	2026-01-24 19:34:45 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'797 x AgentTesla, 19'703 x Formbook, 12'277 x SnakeKeylogger)
ssdeep	1536:q6oPNhEz/FNDDegKdGqbbsw6jPP7SuKG9P+4mD2rJxIluinO7VclN:qTNU/FNDDeg+GqbbsPHhPYDsTiOxY
TLSH	T111839D003798C966E5BE5AB4ACF2564046F1D5732102CA5EBCC404DB6BAFFC64A127FE
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	Anonymous
Tags:	AsyncRAT botnet c2 exe RAT

Anonymous

The file with SHA-256 ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197 (filename: AetherOddsSync.exe) is identified by 52/72 antivirus engines on VirusTotal as malicious and classified under trojan.msil / AsyncRAT (DcRat) families; VirusTotal tags indicate a .NET (MSIL) PE executable with obfuscation and evasion techniques (e.g., long sleep, debug-environment detection), which are consistent with remote access trojan behavior, confirming this sample as malware.

Intelligence

File Origin

# of uploads :

# of downloads :

161

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/1131a4dc-786f-45c8-8ece-3a948cb14a6b/

Malware family:

asyncrat

ID:

File name:

AetherOddsSync.exe

Verdict:

Malicious activity

Analysis date:

2026-01-24 19:37:28 UTC

Tags:

auto-reg asyncrat rat

Link:

https://app.any.run/tasks/8fbef67c-d86f-4244-96bc-2a0bfcfe83a7

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/49993/

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Win.Malware.Zusy-10034587-0

Win.Packed.Generickdz-10058942-0

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69751f00bcad3327ec084493

Tags:

autorun dropper virus sage

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm asyncrat base64 configsecuritypolicy evasive fingerprint hacktool lolbin mpcmdrun msconfig packed razy reconnaissance regedit schtasks vbnet

Link:

https://www.filescan.io/uploads/69751efe55805a763ff465a1/reports/42417ec9-bf01-474c-adb3-a679fae86f4c/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-24T16:45:00Z UTC

Last seen:

2026-01-26T00:34:00Z UTC

Hits:

~100

Detections:

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

Link:

https://opentip.kaspersky.com/ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2c19d21e-a82d-4199-a75a-4911d6ea481c

Score:

93%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197

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:

CNC: vva.uk.com,www.vva.uk.com,6222.cn.com,www.6222.cn.com,hitclub5.br.com,www.hitclub5.br.com,unl.uk.com,www.unl.uk.com,elixis.br.com,www.elixis.br.com,technest.us.com,www.technest.us.com
PORT: 80,443,1337,1604,4444,4782,5555,8848

Link:

https://app.malva.re/file/5b0b58d793d8dce4f1c6348774659e0e

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197/

Verdict:

Malicious

Threat:

Family.ANARCHYRAT

Link:

https://tip.neiki.dev/file/ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2026-01-24 19:35:45 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=54oiyznrtgzzhh7dmfncfvvgmiw4rkzraqi5woh7o6shvt3iwglq._file

Verdict:

malicious

Label(s):

asyncrat

Similar samples:

error

AsyncRAT

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:oddsaggregation defense_evasion execution persistence rat

Link:

https://tria.ge/reports/260124-yav4rahy3g/

Behaviour

Delays execution with timeout.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Checks computer location settings

Executes dropped EXE

Async RAT payload

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

vva.uk.com:8848
vva.uk.com:443
vva.uk.com:80
vva.uk.com:1337
vva.uk.com:4782
vva.uk.com:1604
vva.uk.com:4444
vva.uk.com:5555
www.vva.uk.com:8848
www.vva.uk.com:443
www.vva.uk.com:80
www.vva.uk.com:1337
www.vva.uk.com:4782
www.vva.uk.com:1604
www.vva.uk.com:4444
www.vva.uk.com:5555
6222.cn.com:8848
6222.cn.com:443
6222.cn.com:80
6222.cn.com:1337
6222.cn.com:4782
6222.cn.com:1604
6222.cn.com:4444
6222.cn.com:5555
www.6222.cn.com:8848
www.6222.cn.com:443
www.6222.cn.com:80
www.6222.cn.com:1337
www.6222.cn.com:4782
www.6222.cn.com:1604
www.6222.cn.com:4444
www.6222.cn.com:5555
hitclub5.br.com:8848
hitclub5.br.com:443
hitclub5.br.com:80
hitclub5.br.com:1337
hitclub5.br.com:4782
hitclub5.br.com:1604
hitclub5.br.com:4444
hitclub5.br.com:5555
www.hitclub5.br.com:8848
www.hitclub5.br.com:443
www.hitclub5.br.com:80
www.hitclub5.br.com:1337
www.hitclub5.br.com:4782
www.hitclub5.br.com:1604
www.hitclub5.br.com:4444
www.hitclub5.br.com:5555
unl.uk.com:8848
unl.uk.com:443
unl.uk.com:80
unl.uk.com:1337
unl.uk.com:4782
unl.uk.com:1604
unl.uk.com:4444
unl.uk.com:5555
www.unl.uk.com:8848
www.unl.uk.com:443
www.unl.uk.com:80
www.unl.uk.com:1337
www.unl.uk.com:4782
www.unl.uk.com:1604
www.unl.uk.com:4444
www.unl.uk.com:5555
elixis.br.com:8848
elixis.br.com:443
elixis.br.com:80
elixis.br.com:1337
elixis.br.com:4782
elixis.br.com:1604
elixis.br.com:4444
elixis.br.com:5555
www.elixis.br.com:8848
www.elixis.br.com:443
www.elixis.br.com:80
www.elixis.br.com:1337
www.elixis.br.com:4782
www.elixis.br.com:1604
www.elixis.br.com:4444
www.elixis.br.com:5555
technest.us.com:8848
technest.us.com:443
technest.us.com:80
technest.us.com:1337
technest.us.com:4782
technest.us.com:1604
technest.us.com:4444
technest.us.com:5555
www.technest.us.com:8848
www.technest.us.com:443
www.technest.us.com:80
www.technest.us.com:1337
www.technest.us.com:4782
www.technest.us.com:1604
www.technest.us.com:4444
www.technest.us.com:5555

Unpacked files

SH256 hash:

ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197

MD5 hash:

5b0b58d793d8dce4f1c6348774659e0e

SHA1 hash:

68df8fc65678a7dcaf4f4ae4e6a588f5534516d9

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/61274fab-b9a7-4907-9d99-9874c7daf0e7/

Malware family:

DCRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ef1c8c65b199/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/ef1c8c65b199b3939fe3615a22d6a6622dc8ab310411db38ff77a47acf68b197

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:	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)