MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332. 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 24 File information Comments 1

SHA256 hash:	b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332
SHA3-384 hash:	cd03dc156f3b5811ca1b99d0c6cc7661131e59e85a7eff3ab2b50fcfed468a1562f6796ec9ba30b574fa0356616ce0e2
SHA1 hash:	43f65cef14d5d3339cfafd4196b839d7f7936f98
MD5 hash:	c03fb17289cf4b7065234e89830998a2
humanhash:	summer-triple-floor-august
File name:	McFarmer.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2025-11-30 22:56:42 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'692 x Formbook, 12'274 x SnakeKeylogger)
ssdeep	768:0u42BT3v1gbWUnUa6mo2qRbdxasQmoItaPI48oj0bdHakDHnSmyCngBk8UMjku1J:0u42BT3Nj2+TQm/j47IbdHRSmu5bd/x
TLSH	T1B9234C007BE9C227F2BE4F786DF22245867BB2673503D54E1CC4519B5623BC296426FE
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	skocherhan
Tags:	16-171-20-89 AsyncRAT exe github-demirakcabelen-jpg

skocherhan

https://github.com/demirakcabelen-jpg/ddq/raw/refs/heads/main/McFarmer.exe

Intelligence

File Origin

# of uploads :

# of downloads :

115

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AsyncRAT

Details

AsyncRAT

c2 socket addresses or a dead drop resolver url, 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/b0660e4c-b211-4b4f-a648-96c7afa2daba/

Malware family:

asyncrat

ID:

File name:

_565233cc8e4de34e543ed83307c22a381888cb10ce1c0e8059def7f55aa0df9d.txt

Verdict:

Malicious activity

Analysis date:

2025-11-30 22:36:29 UTC

Tags:

loader github asyncrat susp-powershell

Link:

https://app.any.run/tasks/523024e8-fb0a-471f-9cf4-fbd6ed6d094d

Note:

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

Detection:

AsyncRAT

Link:

https://www.capesandbox.com/analysis/41967/

Detection(s):

Win.Packed.Razy-9625918-0

Win.Packed.AsyncRAT-9861056-1

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=692ccbc9fca025d00d472372

Tags:

asyncrat autorun

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

DNS request

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-28T22:42:00Z UTC

Last seen:

2025-12-02T04:39:00Z UTC

Hits:

~10

Detections:

Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.b Backdoor.Agent.TCP.C&C HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.sb

Link:

https://opentip.kaspersky.com/b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/74550670-ff48-49ca-8c86-1371127f2f1f

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332

Verdict:

njRat

YARA:

14 match(es)

Tags:

.Net AsyncRAT Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.81 Win 32 Exe x86

Malware Config

C2 Extraction:

CNC: 16.171.20.89
PORT: 1337

Link:

https://app.malva.re/file/c03fb17289cf4b7065234e89830998a2

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2025-11-29 03:33:38 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wkv6dl274szysgr5yqbk7fwt5izkyxqaenypyjrqmd7uz2dhkmza._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/251130-2xa9mscm7s/

Behaviour

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

16.171.20.89:1337

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9625918-0

YARA:

AsyncRat_Payload JPCERTCC_Asyncrat Windows_Trojan_Asyncrat_11a11ba1 asyncrat malware_asyncrat

Link:

https://app.threat.zone/submission/49d2a08a-9603-459d-b426-756508cbd060

Unpacked files

SH256 hash:

b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332

MD5 hash:

c03fb17289cf4b7065234e89830998a2

SHA1 hash:

43f65cef14d5d3339cfafd4196b839d7f7936f98

Detections:

win_asyncrat_w0

AsyncRAT

Link:

https://www.unpac.me/results/72c31518-3700-4bd0-9ed6-f3a818f1303f/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b2abe1af5fe4/report/overview.html

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

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:	AsyncRat Create hunting rule
Author:	kevoreilly, JPCERT/CC Incident Response Group
Description:	AsyncRat Payload

Rule name:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	asyncrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

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

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	malware_asyncrat Create hunting rule
Description:	detect AsyncRat in memory
Reference:	https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp

Rule name:	malware_asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

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:	msil_suspicious_use_of_strreverse Create hunting rule
Author:	dr4k0nia
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse

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:	SUSP_Reverse_Run_Key Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a Reversed Run Key

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_Trojan_Asyncrat_11a11ba1 Create hunting rule
Author:	Elastic Security

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

Rule name:	win_asyncrat_j1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

File information

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

https://x.com/smica83/status/1995257226093637810

Cape

https://www.capesandbox.com/analysis/41967/

Comments

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commented on 2025-11-30 23:00:59 UTC

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

{
"sha256": "b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332",
"yara_possible_family": "asyncrat",
"key": "7d8ab2d3a6aed4f75928ce2d21ec6f71be13c6b968f2e84a7a7eecb824d8e241",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1337",
"obfuscated_key_2": "16.171.20.89",
"obfuscated_key_3": "0.5.8",
"obfuscated_key_4": "false",
"obfuscated_key_5": "%AppData%",
"obfuscated_key_6": "",
"obfuscated_key_7": "WWRwYk9uNWdJMnRhTTZ0Yk1Vcmg5Y0o2enB0OFVqcEk=",
"obfuscated_key_8": "wii1dn2z6eWX",
"obfuscated_key_9": "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",
"obfuscated_key_10": "esCk/VZMrbAiv0wNSf1dOrSyBuHomrmnrZMyVPd64+xn7hEdGV1Bx66RA6wwLc6I0LUZK/pfj33XmgyBh9Kr9VEvsIKMrQHiVG8OOJhUQllPRUajIpcPyUpmB0gHFnRUI370MhctPZtdklZErTxfHzVIGTzy5bwNon/rjFkZbELA0keG7HIeaz1G3BPnHkBdUeh8ODGFR+Dc5if0ZoiNB0w31Iz4VbIQ6D7noDW2Zt1BVWQdLK/Sh40JOUzScV2aMJ09iVWsdreFRcAU3Wxkl3Lo3iiED3brN9KSdLbp+sdop7MpuNx674CRLYGyNT1rLmST9llCDMp3PDZPNXIkox+mZ7O5SMq3tonsTk937rz9xfYK4pxODGV6o5THAA8nCFL4L02bVjUWotB+NWO+/x0+Cp9FtGK6U9bABBVYqv2+o3UqC+7BErqvwbm9qmuJA3EnG8SBnGWt35phZCy8LD1CKL9grKhxrmup3rRvk38AhtW9msyklQhiEH2hPjXJuqo8fwSBQSv6fiD+Rh2NZXo6SITUyJsyO4J4OZER1XdetNrsfPbRfGdubprEffm+H8ay4Op63V4Jn5TnBbfCDmUUePjiU5+699idUgKS7rU9FkCZFYU7cQDuEJeFFHPz6s4gOcwuxvzwnJx94nbtWdLj4zD86KgR32sN98FRuRQ=",
"obfuscated_key_11": "false",
"obfuscated_key_12": "null",
"obfuscated_key_13": "false",
"obfuscated_key_14": "null",
"obfuscated_key_15": "3",
"obfuscated_key_16": "Default"
}
}