MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4ac4a98170b7b5606fc03e625be2973bd0f4ad38c653ba4db1558fead88dc0a. 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: 22


Intelligence 22 IOCs 1 YARA 25 File information Comments

SHA256 hash: d4ac4a98170b7b5606fc03e625be2973bd0f4ad38c653ba4db1558fead88dc0a
SHA3-384 hash: 9ca971b1fdc8c353edee3ae06a10504881769a03913b4d777c1985152d1120971e713676913b0623d99bb7d82116b275
SHA1 hash: ce14afcc14de95c1f4073459b88c5a5c85417ad1
MD5 hash: b831621b35508cf92448fdff37bc59e7
humanhash: nine-thirteen-high-nine
File name:95AlUeMWU975V2b.exe
Download: download sample
Signature AsyncRAT
File size:507'904 bytes
First seen:2025-12-04 03:00:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:MPdien8xzHu94dzCFBC1/+g2isc6gbAgpDS2kVSUabxzH:MPdie8YmGFYogTWsAelkVi
Threatray 55 similar samples on MalwareBazaar
TLSH T167B402B07569C923DEAB42F81922F33083B69EBD7822D3C98DED6ECB31E5B501504657
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
176.65.132.6:25565

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
176.65.132.6:25565 https://threatfox.abuse.ch/ioc/1649165/

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
95AlUeMWU975V2b.exe
Verdict:
Malicious activity
Analysis date:
2025-12-04 03:00:58 UTC
Tags:
auto-sch-xml rat asyncrat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
asyncrat stration shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bitmap packed packed stego vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-03T22:58:00Z UTC
Last seen:
2025-12-05T00:38:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Agent.gen Backdoor.MSIL.Crysan.d
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1826034 Sample: 95AlUeMWU975V2b.exe Startdate: 04/12/2025 Architecture: WINDOWS Score: 100 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 7 95AlUeMWU975V2b.exe 7 2->7         started        11 pWZVfq.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\pWZVfq.exe, PE32 7->33 dropped 35 C:\Users\user\...\pWZVfq.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp4E49.tmp, XML 7->37 dropped 39 C:\Users\user\...\95AlUeMWU975V2b.exe.log, ASCII 7->39 dropped 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 powershell.exe 23 7->13         started        16 95AlUeMWU975V2b.exe 2 7->16         started        19 schtasks.exe 1 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 21 schtasks.exe 1 11->21         started        23 pWZVfq.exe 2 11->23         started        signatures5 process6 dnsIp7 61 Loading BitLocker PowerShell Module 13->61 25 WmiPrvSE.exe 13->25         started        27 conhost.exe 13->27         started        41 176.65.132.6, 25565, 49716 DIOGELO-ASGB Germany 16->41 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        signatures8 process9
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.27 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-12-04 03:00:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution persistence rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
176.65.132.6:25565
Unpacked files
SH256 hash:
d4ac4a98170b7b5606fc03e625be2973bd0f4ad38c653ba4db1558fead88dc0a
MD5 hash:
b831621b35508cf92448fdff37bc59e7
SHA1 hash:
ce14afcc14de95c1f4073459b88c5a5c85417ad1
SH256 hash:
5e67855e43f276d8d1c0454eb50ad67dd1f7fad57bca6d5fdb67015a58a714ee
MD5 hash:
b77dc5c164f870c3e8bbae6584d13765
SHA1 hash:
77bffa9f064ce6926db8185001d0f9c064b681bf
Detections:
win_asyncrat_w0 AsyncRAT asyncrat win_asyncrat_bytecodes win_asyncrat_unobfuscated INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
SH256 hash:
0b9c2fadcd9bb1881ed9ea814e707553927bf1e24c1ac97a82b2bd61d1a0c481
MD5 hash:
d9ace750fb2ccf76852ca4538cfae8eb
SHA1 hash:
c6048fc89de9ab0668758f246eafc35e79ef780a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat_kingrat
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Sus_CMD_Powershell_Usage
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
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
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
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
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
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.

Comments