MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb. 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: 31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb
SHA3-384 hash: 2a3a5922ab4faa0266afe457aa0b4067a2a3b7cdb14c18e770d15e431b479b380382a5c5774ff9c9395ecb21632a2ed4
SHA1 hash: 32c5ceabac605c7d0a82a2d4eb41081fbc7df72d
MD5 hash: fc4c5f83e64c5e02f34ac86645dc5e24
humanhash: speaker-utah-queen-sink
File name:BOT.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:47'616 bytes
First seen:2026-05-23 20:13:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'003 x AgentTesla, 19'910 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 768:1qHHWcbXIgc3WkOicvHk3eHlWMPbPgF0q/LB1wPlniPZc/YI6OCzKtYcFmVc6K:1h3WXvZH0ub4Fr/LB2PsPw6O6mmVcl
Threatray 172 similar samples on MalwareBazaar
TLSH T1C3232B003BE98136E1BE5FB89DF1114287BAE5233603D65E7CC841D64B137CACA52AF6
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
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/4dd328e0-eadc-4ece-8d49-accba23deee2/
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
_31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb.exe
Verdict:
Malicious activity
Analysis date:
2026-05-23 20:18:13 UTC
Tags:
asyncrat rat
Link:
https://app.any.run/tasks/1a0e2c14-17d2-4236-a915-752db91206e1

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/67702/
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=6a120a6e98070a72bb9d5a8d
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/6a120c88efbd399b39c96f55/reports/e3aec390-043a-486f-86e1-3122af8c2d51/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-23T17:22:00Z UTC
Last seen:
2026-05-24T04:13:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b Backdoor.MSIL.Crysan.a HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.sb
Link:
https://opentip.kaspersky.com/31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb/results?tab=lookup
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/429d428f-384a-4f6f-bd47-3173ec2b9220
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb
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: onlinebettingsite.us.com
PORT: 80,443,6606,7707,8080,8808
Link:
https://app.malva.re/file/fc4c5f83e64c5e02f34ac86645dc5e24
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb/
Verdict:
Malicious
Threat:
Family.ANARCHYRAT
Link:
https://tip.neiki.dev/file/31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2026-05-23 20:14:58 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=ggrnq4i75rvxgfbhk3qp736vvfefvbxamql6ovwzlzn7v23swpfq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
264f2f1e6c9d09a332df26de494c112f24d020ce495324e4b5251b61cf722329
AsyncRAT
846a2e3a606c07e5497cda85364879b8ff31009a4526d75a7d1ab0d06c71b948
AsyncRAT
9ce0019bf338d8ee9c2760d9dd677f6f72aad8de129270b4ab1af51d8f11b710
AsyncRAT
be325b9cc973ccd930094f73b3886ed98a178fa691ab1b8a77cd2143aea4e299
AsyncRAT
error
AsyncRAT
+ 162 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:null rat
Link:
https://tria.ge/reports/260523-yzm5facx2x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Family: AsyncRat
Malware Config
C2 Extraction:
onlinebettingsite.us.com:6606
onlinebettingsite.us.com:7707
onlinebettingsite.us.com:8808
onlinebettingsite.us.com:8080
onlinebettingsite.us.com:443
onlinebettingsite.us.com:80
Unpacked files
SH256 hash:
31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb
MD5 hash:
fc4c5f83e64c5e02f34ac86645dc5e24
SHA1 hash:
32c5ceabac605c7d0a82a2d4eb41081fbc7df72d
Detections:
win_asyncrat_w0
Create hunting rule
triage_asyncrat_rat
Create hunting rule
Link:
https://www.unpac.me/results/afca6c7f-4996-4870-82cb-dbb924201521/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/31a2d8711fec/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/31a2d8711fec6b73142756e0ffefd5a9485a86e06417e756d95e5bfaeb72b3cb

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.

Cape
Cape
https://www.capesandbox.com/analysis/67702/

Comments