MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8
SHA3-384 hash: d221ad8ae2726fcb8bd0f9d5c264bf71fec075de5b5f4acbd19e47923bf36a4d5e057f82a1dcfe1f670fed0e3bd738c3
SHA1 hash: 64a4d3afe150bd14420c1d115b6aa05a0b57d990
MD5 hash: a44e4b2f7290a0c4e35a908f52493491
humanhash: magazine-tennis-single-spring
File name:Stub.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:27'136 bytes
First seen:2025-12-22 00:40:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:+4eMn+LbqY3zgetmQkLAMymrJhxUHqqbuUsJQxnCJf+BWfXWm/Wu+:+4nncb/3EtQk8MyCJhxaFbHBFB3u+
TLSH T185C22B0473F48265D1ED47BE48329200D375E68B5D53DB9F2EC4A5AD2A33BCD8621BE4
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 exe malware

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
KH KH
Vendor Threat Intelligence
Malware configuration found for:
AsyncRAT
Details
Link:
https://research.acce.ciphertechsolutions.com/results/686d6f78-78df-42f3-8588-b52c9e532ddb/
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
_a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8.exe
Verdict:
Malicious activity
Analysis date:
2025-12-22 00:41:11 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/7c1c8717-58f4-4d77-ad3d-96195bd03f23

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45683/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694893741f45795757235571
Tags:
asyncrat autorun
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 dcrat lolbin obfuscated quasar razy reconnaissance reg schtasks unsafe vbnet windows
Link:
https://www.filescan.io/uploads/694893723f8fdbf8e94de5f2/reports/56ebf541-1f91-44d1-b7f6-ea5ed066712d/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-21T21:47:00Z UTC
Last seen:
2025-12-21T22:28:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8/results?tab=lookup
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb90856a-c178-4715-8860-7c17be60e47c
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8
Verdict:
njRat
YARA:
9 match(es)
Tags:
.Net Executable Managed .NET njRat PDB Path PE (Portable Executable) PE File Layout RAT SOS: 0.20 Win 32 Exe x86
Link:
https://app.malva.re/file/a44e4b2f7290a0c4e35a908f52493491
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8
Threat name:
ByteCode-MSIL.Trojan.AsyncRATMarte
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 00:40:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukchdryuutulpbadw6stg4bvh72o25bdifay2bi6okyj3u5hf7ea._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
error
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat discovery rat
Link:
https://tria.ge/reports/251223-lpmppsslc1/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
AsyncRat
Asyncrat family
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9625918-0
YARA:
AsyncRat_Payload JPCERTCC_Asyncrat Windows_Generic_Threat_ce98c4bc asyncrat malware_asyncrat win_asyncrat_unobfuscated
Link:
https://app.threat.zone/submission/ed1a42c8-0bd5-4301-8fef-4e32935315c2
Unpacked files
SH256 hash:
a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8
MD5 hash:
a44e4b2f7290a0c4e35a908f52493491
SHA1 hash:
64a4d3afe150bd14420c1d115b6aa05a0b57d990
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/cded0604-d1a4-4bac-85b9-56f7be00a63f/
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/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8

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: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:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
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: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_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)
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.

Web download

AsyncRAT

Executable exe a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8

(this sample)

  
Link
https://www.virustotal.com/gui/file/a28471c714a4e8b78403b7a53370353ff4ed742341418d051e72b09dd3a72fc8/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/45683/

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