MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3
SHA3-384 hash: c9a5358eb2fca082cbdbc10a75ddb922e1f00088e975393fd3bc420b73971edfcd6d08d53ae1ee245b0288ad7fafc56c
SHA1 hash: d84a4976946303be61924cf28b3522a63cdff602
MD5 hash: 9f9bacc45aa66e24d818d396478f33f7
humanhash: three-failed-quiet-skylark
File name:4334t3tsefwe.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:14'654'736 bytes
First seen:2025-07-25 11:45:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 88f70fb82598484a7ce88eef6418418b (23 x AsyncRAT, 8 x AgentTesla, 4 x XWorm)
ssdeep 393216:K7F7g23hGZSLMGZscLQMWu0VwCnzo+vSe7PymPkSh3:K7F7VnfQMWuCzie7P7R3
Threatray 48 similar samples on MalwareBazaar
TLSH T121E612A772049F44C07682FC0023C9B597336E5D25B5D35A25FABDA7FAF3A421C0A987
TrID 59.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
15.0% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 64f230e5b4e869a2 (19 x AsyncRAT, 3 x XWorm, 2 x DCRat)
Reporter burger
Tags:AsyncRAT exe signed

Code Signing Certificate

Organisation:Take-Two Interactive Software, Inc.
Issuer:VeriSign Class 3 Code Signing 2010 CA
Algorithm:sha1WithRSAEncryption
Valid from:2011-09-21T00:00:00Z
Valid to:2013-09-20T23:59:59Z
Serial number: 695043d68f15550fd5db370fa8817b04
Intelligence: 20 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 5d269a2e2102e52ecbbae4d3dd27cf260fd6b1edf83887802f05a9411efa8c44
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
64th_Service.exe
Verdict:
Malicious activity
Analysis date:
2025-07-25 11:33:14 UTC
Tags:
loader confuser
Link:
https://app.any.run/tasks/7aa4313c-694f-4f59-805f-87d047c246fc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent10
Create hunting rule
Link:
https://www.capesandbox.com/analysis/16759/
Detection(s):
Win.Packed.Bulz-10008187-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68836cb80b4775fb2130d01a
Tags:
vmdetect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm dllhost enigma evasive fingerprint lolbin obfuscated obfuscated packed packed packer_detected regsvr32 replace signed
Link:
https://www.filescan.io/uploads/68836e73a16348d835eeb1e7/reports/7a90debb-6b93-4fd2-aa25-574f0acf191a/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6bc04d36-f82f-434b-9d85-46c5d306da46
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1744069
Signature
Antivirus detection for dropped file
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, 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
Tries to detect sandboxes / dynamic malware analysis system (registry 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 AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744069 Sample: 4334t3tsefwe.exe Startdate: 25/07/2025 Architecture: WINDOWS Score: 100 41 prod.keyauth.com 2->41 43 64services.netlify.app 2->43 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 8 other signatures 2->65 9 4334t3tsefwe.exe 14 9 2->9         started        14 Microsoft.ServiceHub.Controller.exe 2 2->14         started        signatures3 process4 dnsIp5 45 64services.netlify.app 98.84.224.111, 443, 49696 TWC-11351-NORTHEASTUS United States 9->45 47 prod.keyauth.com 104.21.16.1, 443, 49698 CLOUDFLARENETUS United States 9->47 39 C:\Users\user\...\Microsoft.ServiceHub.exe, PE32 9->39 dropped 69 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 9->69 71 Found direct / indirect Syscall (likely to bypass EDR) 9->71 73 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->73 16 Microsoft.ServiceHub.exe 7 9->16         started        49 157.97.11.134, 8080 NOVAIS-ASIS Iceland 14->49 75 Antivirus detection for dropped file 14->75 77 Multi AV Scanner detection for dropped file 14->77 79 Queries memory information (via WMI often done to detect virtual machines) 14->79 file6 signatures7 process8 file9 35 C:\...\Microsoft.ServiceHub.Controller.exe, PE32 16->35 dropped 37 C:\Users\...\Microsoft.ServiceHub.exe.log, CSV 16->37 dropped 51 Antivirus detection for dropped file 16->51 53 Multi AV Scanner detection for dropped file 16->53 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 16->55 57 Queries memory information (via WMI often done to detect virtual machines) 16->57 20 cmd.exe 1 16->20         started        23 cmd.exe 1 16->23         started        signatures10 process11 signatures12 67 Uses schtasks.exe or at.exe to add and modify task schedules 20->67 25 conhost.exe 20->25         started        27 schtasks.exe 1 20->27         started        29 Microsoft.ServiceHub.Controller.exe 3 23->29         started        31 conhost.exe 23->31         started        33 timeout.exe 1 23->33         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
.Net Executable PE (Portable Executable)
Link:
https://app.malva.re/file/9f9bacc45aa66e24d818d396478f33f7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3/
Verdict:
Malicious
Threat:
Backdoor.MSIL.Crysan
Link:
https://tip.neiki.dev/file/b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whtputvu2fqtquhzfiacltgx7q67rh2ofqoyce5dubstfiu6ohjq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
69882927c19e5ddf6812f4fae47f5a16537c35fe2b8210704ac082bddecc01aa
AsyncRAT
7e922e8ef82c651ec8b7fd6c0d6111221eed68539e65400dc68ee4d9c29e491a
AsyncRAT
8131185680091f0a6eca619934c422a86cda3f957508ab89e5f6e989612cc4a5
AsyncRAT
88ff64ab6cc53b21d179746f72712b41502d651ab0983bc48356e60356e4000d
AsyncRAT
b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3
AsyncRAT
da39c91754a0fb7df94e2e2c2fbddff3796332d4f61f4eaff72ff743fab1191b
AsyncRAT
e82c9e1d76e12b280f69a471e33a95c9a4f3b2b6babd9e7287242b86fc67ea5e
AsyncRAT
error
AsyncRAT
f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
AsyncRAT
+ 38 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/250725-nw7dsszjz4/
Behaviour
Suspicious use of AdjustPrivilegeToken
ConfuserEx .NET packer
Verdict:
Malicious
Tags:
downloader Win.Packed.Bulz-10008187-0
YARA:
MALWARE_Win_DLAgent10
Link:
https://app.threat.zone/submission/999b78dd-a646-4a08-8567-2816997e5ed6
Unpacked files
SH256 hash:
b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3
MD5 hash:
9f9bacc45aa66e24d818d396478f33f7
SHA1 hash:
d84a4976946303be61924cf28b3522a63cdff602
Link:
https://www.unpac.me/results/96bf9975-37d2-48a4-8e6c-92bb6fbee827/
SH256 hash:
48c659c4f9f4309baae1f396c8138ea27e3034a51f06b4434f0eae9d70e3fbbe
MD5 hash:
93ed463d710e91cd7124fe51a102d095
SHA1 hash:
95aaf345290c6a6187104eebad72e653345047ae
Link:
https://www.unpac.me/results/96bf9975-37d2-48a4-8e6c-92bb6fbee827/
SH256 hash:
95349cbb0ce9bd2bb939c04e611750eca5d1ac1b8baa53641c28c147a59dc725
MD5 hash:
95b2c0f892fe4c15ac1d4929bcb54df1
SHA1 hash:
b13abc14da4b7f1c0a8f5aacd98f0c6fb18873fd
Link:
https://www.unpac.me/results/96bf9975-37d2-48a4-8e6c-92bb6fbee827/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3

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:Check_VBox_Guest_Additions
Create hunting rule
Rule name:Check_VmTools
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Enigma
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Enigma
Rule name:MALWARE_Win_DLAgent10
Create hunting rule
Author:ditekSHen
Description:Detects known downloader agent
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

AsyncRAT

Executable exe 589b9eba96edd841867325e3334436052632623d9b7669a2556571fb62b7c48c

AsyncRAT

Executable exe b1e6fa4eb4d1613850f92a0025ccd7fc3df89f4e2c1d8113a3a06532a29e71d3

(this sample)

AsyncRAT

Executable exe e34e0646332bb763ba3b6d850a329a2292130847e25ff85352f4d5d59296648f

  
Link
https://64services.netlify.app/Loader/4334t3tsefwe.exe
  
Dropping
SHA256 e34e0646332bb763ba3b6d850a329a2292130847e25ff85352f4d5d59296648f
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/16759/
  
Dropped by
SHA256 589b9eba96edd841867325e3334436052632623d9b7669a2556571fb62b7c48c
  
Dropped by
MD5 caf84f4a1513cb6a4ab16e419690b5c0
  
Dropping
MD5 f747ae721dcdcbf06aedaa75a896563e
  
URLhaus
https://urlhaus.abuse.ch/url/3589972/
  
URLhaus
https://urlhaus.abuse.ch/url/3589973/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::RtlInitUnicodeString
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateRemoteThread
kernel32.dll::OpenProcess
kernel32.dll::VirtualAllocEx
kernel32.dll::WriteProcessMemory
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIntdll.dll::NtQuerySystemInformation
kernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::GetConsoleMode
kernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::QueryDosDeviceW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyA

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