MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e. 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: 21


Intelligence 21 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e
SHA3-384 hash: 6814b7a84da2917e2acf4489bcbaa79d2f15fa54772b1e51be80b0a5693a0b54d26ae549a727bc48e78904e717d94306
SHA1 hash: 6cf7722d0fa7138d85b5a2c6d4f5b9b2035089dc
MD5 hash: 64634744841a438beb671c6d0bb91fad
humanhash: magnesium-october-carpet-undress
File name:QWERTY.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:47'104 bytes
First seen:2026-05-24 05:42:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'006 x AgentTesla, 19'914 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 768:YCq/z5bX/wPLsekOicvHk3eHlWMPbPgF0qfUuSsI0wf22JMI1YI6OC22tYcFmVcl:YC7seXvZH0ub4FrcuS1hzT6O7KmVcl
Threatray 1 similar samples on MalwareBazaar
TLSH T123233B003BD9812AE2FE5FB8ACF1514187B6E6632603D65E3CC941DB1B137C6CA51AF6
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter VTR
Tags:AsyncRAT botnet c2 exe trojan

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
VN VN
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/6f63a313-90df-4454-9826-b1a6fec08140/
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
_657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e.exe
Verdict:
Malicious activity
Analysis date:
2026-05-24 05:45:44 UTC
Tags:
asyncrat rat
Link:
https://app.any.run/tasks/3c8d67d9-4124-4193-817a-37ddc2f78ffc

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/67729/
Detection(s):
Win.Packed.Razy-7486442-0
Create hunting rule

Win.Packed.Razy-7649790-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

YARA.SECUINFRA_SUSP_Reverse_Run_Key.UNOFFICIAL
Create hunting rule

YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a128ffa33e785de369d5399
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
DNS request
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 config-extracted fingerprint lolbin obfuscated reconnaissance schtasks vbnet
Link:
https://www.filescan.io/uploads/6a128ff1875badc3b3939ca3/reports/7bdf992f-54fe-4a28-a898-84683f45296c/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-24T02:50:00Z UTC
Last seen:
2026-05-26T01:39:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Crysan.a HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b
Link:
https://opentip.kaspersky.com/657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e/results?tab=lookup
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75ac82f7-3dc2-49d2-801d-63be8bf07bc9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e
Verdict:
AsyncRAT
YARA:
13 match(es)
Tags:
.Net AsyncRAT Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.22 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: eriktez.sa.com
PORT: 80,443,6606,7707,8080,8808
Link:
https://app.malva.re/file/64634744841a438beb671c6d0bb91fad
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e/
Verdict:
Malicious
Threat:
Family.ANARCHYRAT
Link:
https://tip.neiki.dev/file/657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2026-05-24 05:43:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mv6ckgg4duuuzpy7722mwu5pptpvlbbunjk75wjgmeyihsholjxa._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 botnet:null rat
Link:
https://tria.ge/reports/260524-genrssbz3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Family: AsyncRat
Malware Config
C2 Extraction:
eriktez.sa.com:6606
eriktez.sa.com:7707
eriktez.sa.com:8808
eriktez.sa.com:8080
eriktez.sa.com:443
eriktez.sa.com:80
Unpacked files
SH256 hash:
657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e
MD5 hash:
64634744841a438beb671c6d0bb91fad
SHA1 hash:
6cf7722d0fa7138d85b5a2c6d4f5b9b2035089dc
Detections:
win_asyncrat_w0
Create hunting rule
triage_asyncrat_rat
Create hunting rule
Link:
https://www.unpac.me/results/f6fe42b8-3613-4e31-9009-8ccaad4c17a8/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/657c2518dc1d/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/657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e

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_057B
Create hunting rule
Author:kirkderp
Description:AsyncRAT 0.5.7B -- minimal .NET RAT with PBKDF2 key derivation and MessagePack serialization
Reference:https://github.com/kirkderp/yara
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
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
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: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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Generic_Threat_c34e19e9
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
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 657c2518dc1d294cbf1ffeb4cb53af7cdf5584346a55fed926613083c8ee5a6e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/67729/

Comments