MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608. 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: 16


Intelligence 16 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608
SHA3-384 hash: 7d687a6b4b62bed9bf94a3ddf8bfbac9bec37328099510b48e57df63576e4ee5ba0a845929a6791ff03ef13349b2ee9e
SHA1 hash: 4d3d2852e42ba4c14289848b11ff39dbdc209c93
MD5 hash: a7b1bd2e7a92deb5c1e11d56ca4d9461
humanhash: bakerloo-alabama-april-cold
File name:WinRar.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:119'808 bytes
First seen:2026-05-11 02:10:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'916 x AgentTesla, 19'820 x Formbook, 12'309 x SnakeKeylogger)
ssdeep 3072:9ugoyTPPj2F3cv3bGoXu9BeF+YzB1hXeiYY0I26QqAN:9ugocyyv3bwBeYA/mIBpm
Threatray 1'337 similar samples on MalwareBazaar
TLSH T1B0C3B0043BD8C466F2AD4F789DF25245867EE9B73E03D94B1C84328B1623FC55B42AB9
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
dhash icon b3b3b371716b93b3 (25 x CryptOne, 12 x RemcosRAT, 6 x RedLineStealer)
Reporter VTR
Tags:AsyncRAT botnet c2 exe trojan


Avatar
VTR
Detected sample uploaded for analysis.
C2/domain notes go here.

Intelligence

File Origin
# of uploads :
1
# of downloads :
175
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/c835ce2a-35a0-4f4c-aff3-3cb4df2a5342/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-05-11 02:11:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/95bc2b2a-0a5c-4782-b1bd-623bba8eab6b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65567/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

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

YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a01dc31832827cdb620cb49
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat base64 fareit fingerprint lolbin obfuscated packed razy reconnaissance reg schtasks vbnet
Link:
https://www.filescan.io/uploads/6a013a9586e92bda7026f0b7/reports/708c0632-6bd3-41c9-be72-daa74c355dea/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608
Result
Gathering data
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b581ad4-82a9-4923-b46b-c37a44500f28
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608
Verdict:
AsyncRAT
YARA:
14 match(es)
Tags:
.Net AsyncRAT Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.21 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: mestizo.co.com,cooltool.jp.net,holidayonid.com.co,e-shop.it.com
PORT: 22,80,443,6606,7707,8808
Link:
https://app.malva.re/file/a7b1bd2e7a92deb5c1e11d56ca4d9461
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608/
Verdict:
Malicious
Threat:
Family.ANARCHYRAT
Link:
https://tip.neiki.dev/file/270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4eiptjzhhvj5oi5i7hf53w5ifa4wejfahkcqracbzewy5ryiyea._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
4b22c7b037fdcf67c4210c855be1d275bc86dad46ceae4e823f3e3bef7e4b7e0
AsyncRAT
5e088f3ae8bf2631e5aaa8de2facd537a65ef5e269924213e14ee41d94b6a446
AsyncRAT
7c8c576731dd13174bd9289726bc59c98fa0db27515da65d5f3434c5c2921d02
AsyncRAT
7f14cf5740bb204942ae69690aea4bb17dea9bee17323311a6613c766a716b24
AsyncRAT
c5bfd0abb2e443daf2b319726ee97aadc657aacde9f466228efe908e2193e9b3
AsyncRAT
e5cc1cac795755ade9067768ac3a2d037ab18977e4223291d55e636663a3d282
AsyncRAT
error
AsyncRAT
+ 1'327 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery rat
Link:
https://tria.ge/reports/260511-clx7laas2v/
Behaviour
System Location Discovery: System Language Discovery
Family: AsyncRat
Malware Config
C2 Extraction:
mestizo.co.com:6606
mestizo.co.com:7707
mestizo.co.com:8808
mestizo.co.com:443
mestizo.co.com:80
mestizo.co.com:22
cooltool.jp.net:6606
cooltool.jp.net:7707
cooltool.jp.net:8808
cooltool.jp.net:443
cooltool.jp.net:80
cooltool.jp.net:22
holidayonid.com.co:6606
holidayonid.com.co:7707
holidayonid.com.co:8808
holidayonid.com.co:443
holidayonid.com.co:80
holidayonid.com.co:22
e-shop.it.com:6606
e-shop.it.com:7707
e-shop.it.com:8808
e-shop.it.com:443
e-shop.it.com:80
e-shop.it.com:22
Unpacked files
SH256 hash:
270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608
MD5 hash:
a7b1bd2e7a92deb5c1e11d56ca4d9461
SHA1 hash:
4d3d2852e42ba4c14289848b11ff39dbdc209c93
Detections:
AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/c5cba34d-b129-4b2d-856b-37009b35e766/
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/270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608

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: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
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: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: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_ce98c4bc
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_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 270887cd3939ea9eb91d47ce5eeedd4141cb112501d42844020e496c76384608

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65567/

Comments