MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff37506f2c1d82d61f2eadefe66a685d1142d29b7790d90b76c5969a282cc752. 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 YARA 46 File information Comments

SHA256 hash: ff37506f2c1d82d61f2eadefe66a685d1142d29b7790d90b76c5969a282cc752
SHA3-384 hash: ab28f57648106c991136bb8b5c2d2bbfb9869a5354c4bbcaf2486d89ee0c4dc0fb55846b6c6eeda8ae1a2252ff4229e9
SHA1 hash: 9eed61535ba7d14ad040511b3d44d4853fd05bf0
MD5 hash: e9fd1d72d90e7708e516b9ee0cec5fb7
humanhash: montana-skylark-dakota-cup
File name:explorer.exe
Download: download sample
Signature AsyncRAT
File size:3'400'192 bytes
First seen:2025-09-17 14:47:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 49152:JjEXInm2Ca6g13O5ryzUMAzU0GdBdo+6puDayPCr/NxJ:Ja2p6ugzx
Threatray 59 similar samples on MalwareBazaar
TLSH T167F55B416BE4DE1AE1BF2775A4F205011BB1F849A732D74F1698E6B92C637006D0A3BF
TrID 44.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
25.0% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
9.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.3% (.EXE) Win64 Executable (generic) (10522/11/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter burger
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
135
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Launcher.exe
Verdict:
Malicious activity
Analysis date:
2025-09-06 22:33:44 UTC
Tags:
auto-reg auto-startup auto-sch rat asyncrat remote xworm crypto-regex generic stealer stormkitty

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
infosteal asyncrat autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-debug anti-vm base64 cmd configsecuritypolicy control evasive explorer explorer findstr fingerprint fingerprint hacktool lolbin lolbin mpcmdrun msconfig msiexec netsh njrat njrat obfuscated obfuscated privilege rat razy reconnaissance regedit schtasks stealer vbnet venomrat
Verdict:
Malicious
Labled as:
Dump:Generic.Trojan.Cryo.Marte.D
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-06T02:38:00Z UTC
Last seen:
2025-09-06T02:38:00Z UTC
Hits:
~100
Malware family:
Stealerium Stealer
Verdict:
Malicious
Result
Threat name:
KeyLogger, StormKitty, VenomRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
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 BrowserPasswordDump
Yara detected Keylogger Generic
Yara detected StormKitty Stealer
Yara detected VenomRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1779364 Sample: explorer.exe Startdate: 17/09/2025 Architecture: WINDOWS Score: 100 34 aiopal.giize.com 2->34 36 bg.microsoft.map.fastly.net 2->36 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 13 other signatures 2->46 8 explorcr.exe 1 2 2->8         started        12 explorer.exe 8 2->12         started        signatures3 process4 dnsIp5 38 aiopal.giize.com 45.241.132.125, 49681, 49692, 5353 LINKdotNET-ASEG Egypt 8->38 48 Antivirus detection for dropped file 8->48 50 Multi AV Scanner detection for dropped file 8->50 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->52 54 Tries to detect sandboxes / dynamic malware analysis system (Installed program check) 8->54 30 C:\Users\user\AppData\Roaming\explorcr.exe, PE32 12->30 dropped 32 C:\Users\user\AppData\...\explorer.exe.log, CSV 12->32 dropped 56 Protects its processes via BreakOnTermination flag 12->56 15 cmd.exe 1 12->15         started        18 cmd.exe 1 12->18         started        file6 signatures7 process8 signatures9 58 Uses schtasks.exe or at.exe to add and modify task schedules 15->58 20 conhost.exe 15->20         started        22 schtasks.exe 1 15->22         started        24 conhost.exe 18->24         started        26 timeout.exe 1 18->26         started        28 explorcr.exe 18->28         started        process10
Verdict:
njRat
YARA:
17 match(es)
Tags:
.Net Executable Managed .NET njRat PDB Path PE (Portable Executable) PE File Layout RAT SOS: 0.25 SOS: 0.30 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2025-09-06 14:50:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:asyncrat family:stormkitty defense_evasion discovery execution persistence rat stealer
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Asyncrat family
StormKitty
StormKitty payload
Stormkitty family
Verdict:
Malicious
Tags:
rat arrowrat asyncrat dcrat venom_rat downloader stealer stormkitty trojan Win.Packed.Razy-9807129-0
YARA:
EXE_VenomRAT_May_2024 MALWARE_Win_ArrowRAT MALWARE_Win_VenomRAT Windows_Generic_Threat_ce98c4bc Windows_Trojan_DCRat_1aeea1ac asyncrat MALWARE_Win_DLAgent10 MALWARE_Win_StormKitty Windows_Generic_Threat_2bb6f41d
Unpacked files
SH256 hash:
ff37506f2c1d82d61f2eadefe66a685d1142d29b7790d90b76c5969a282cc752
MD5 hash:
e9fd1d72d90e7708e516b9ee0cec5fb7
SHA1 hash:
9eed61535ba7d14ad040511b3d44d4853fd05bf0
Detections:
AsyncRAT DiscordRatWebcamGrabber cn_utf8_windows_terminal INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_References_SecTools INDICATOR_SUSPICIOUS_EXE_B64_Artifacts INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA INDICATOR_SUSPICIOUS_EXE_CC_Regex INDICATOR_SUSPICIOUS_EXE_Discord_Regex INDICATOR_SUSPICIOUS_EXE_References_VPN INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs MALWARE_Win_StormKitty MALWARE_Win_AsyncRAT MALWARE_Win_DLAgent10 MALWARE_Win_ArrowRAT MALWARE_Win_VenomRAT
SH256 hash:
e0bef7f04afe55b8d90261f6e64a6f7874dccf9f901080bd0c540e637c80f6dc
MD5 hash:
c58663d4b31ad34bbaa5f377b2ed27de
SHA1 hash:
a29976bcdc7366b1f30afc7280bbea05e42796c1
Detections:
MALWARE_Win_DLAgent10
Parent samples :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 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:AcRat
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:ffdroider
Author:Michelle Khalil
Description:This rule detects unpacked ffdroider stealer malware samples.
Rule name:grakate_stealer_nov_2021
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:INDICATOR_SUSPICIOUS_References_SecTools
Author:ditekSHen
Description:Detects executables referencing many IR and analysis tools
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:MALWARE_Win_ArrowRAT
Author:ditekSHen
Description:Detects ArrowRAT
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_DLAgent10
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MALWARE_Win_VenomRAT
Author:ditekSHen
Description:Detects VenomRAT
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
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:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:venomrat
Author:jeFF0Falltrades
Rule name:Windows_Generic_Threat_21253888
Author:Elastic Security
Rule name:Windows_Generic_Threat_2bb6f41d
Author:Elastic Security
Rule name:Windows_Generic_Threat_ce98c4bc
Author:Elastic Security
Rule name:Windows_Trojan_DCRat_1aeea1ac
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

AsyncRAT

Executable exe ff37506f2c1d82d61f2eadefe66a685d1142d29b7790d90b76c5969a282cc752

(this sample)

Comments