MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918. 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: 19


Intelligence 19 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918
SHA3-384 hash: 9feb7d99d3b6416e646b66578858ec8f4d3e1ddc8cd8858dfe5940022891cd1e400fd807ed1e32b6d1bcd1aceb3e730a
SHA1 hash: 7fa1a82f74e2a794133eb1b151822cfc1d82bd74
MD5 hash: 0348c57cf22f4aaadc817c5bfa0615af
humanhash: emma-apart-snake-beryllium
File name:Stub.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:27'136 bytes
First seen:2025-12-31 00:35:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:9Q4K4Rt1zgeLsQk5MMymrJhxUHqqbuUsJQxnCJf+BWfXWU/Gu+:9Qlst1ERQk+MyCJhxaFbHBFB5u+
Threatray 55 similar samples on MalwareBazaar
TLSH T19DC21A0473F48262D1EC47BE48329600D375E68B5D53DB9F6EC499AD2A337CD8624BE4
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 exe malawre

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
KH KH
Vendor Threat Intelligence
Malware configuration found for:
AsyncRAT
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9c635225-137c-4ae8-a5b8-6c3aed73d8e1/
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
_c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918.exe
Verdict:
Malicious activity
Analysis date:
2025-12-31 00:36:34 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/1b944953-b555-4904-8784-7a483887a602

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/46607/
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:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69546fd0d2357cccc3de1106
Tags:
asyncrat autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 lolbin obfuscated reconnaissance reg schtasks vbnet
Link:
https://www.filescan.io/uploads/69546fd2127d6a14e0c95063/reports/61809070-f725-4ef9-b0ce-a8af09a6f3d2/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-30T06:28:00Z UTC
Last seen:
2025-12-30T19:36:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Crysan.a HEUR:Backdoor.MSIL.SheetRat.gen Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b
Link:
https://opentip.kaspersky.com/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918/results?tab=lookup
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b33aee9-ba41-4287-827a-3f36c5fdc7fc
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918
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/0348c57cf22f4aaadc817c5bfa0615af
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918
Threat name:
Win32.Backdoor.AsyncRat
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 11:22:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yljqh6syax5xbfx5syyypv7xnvuyq5jxorbxglfwcts3wssc7ema._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
12f560b4d0b129ff8e09d206f34bcfa8789d03a130c2cd90be0d828de7401333
AsyncRAT
371587f150a72a0651ae879635b9980e5330b2589da7b50a7c1ebd20894ef65b
AsyncRAT
64c3efdf3e833d6391c2810ec9c9a334f6400a40a816741a1f87318b81e8e468
AsyncRAT
6dd3846bafb8cb43b5f9cce56a7eebb7f0c98a67320cd473ad519f4ea96f47da
AsyncRAT
8132fa375a3d8e5715d3e20b1613596c14564a175b1ac4cc3d0ac7e63faab57a
AsyncRAT
c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918
AsyncRAT
error
AsyncRAT
+ 45 additional samples on MalwareBazaar
Gathering data
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/a56fd25f-23fd-4677-9b94-5f32616a24fc
Unpacked files
SH256 hash:
c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918
MD5 hash:
0348c57cf22f4aaadc817c5bfa0615af
SHA1 hash:
7fa1a82f74e2a794133eb1b151822cfc1d82bd74
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/26e2adaa-e7e0-4f0c-a66a-c7884c26e398/
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/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918

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 c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918

(this sample)

  
Link
https://www.virustotal.com/gui/file/c2d303fa5805fb7096fd963187d7f76d698875377443732cb614e5bb4a42f918/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/46607/

Comments