MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
SHA3-384 hash: 49ed752cd59b4ee97aea7003b9ba32520a593961eb1ee19a35fc6bae41e8a50a5a5d9d0ea99e231dfd71662eee65bcca
SHA1 hash: 0dfef643776358bb2d95c10ec2d6d694898ac835
MD5 hash: 9c2012449fb5700f5ac49333b6fe7c5a
humanhash: victor-aspen-lake-romeo
File name:4334t3tsefwe.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:14'646'272 bytes
First seen:2025-07-23 07:10:09 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:v7F7g23hGZSLMGZscLQMWu0VwCnzo+vSe7PymPkSh:v7F7VnfQMWuCzie7P7R
Threatray 45 similar samples on MalwareBazaar
TLSH T117E6126772449F44C07686FC0023C9B997336E5D24B9D35625FABDA7FAF3A420C0A987
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
64th_Service.exe
Verdict:
Malicious activity
Analysis date:
2025-07-23 07:02:20 UTC
Tags:
auto dcrat rat loader confuser
Link:
https://app.any.run/tasks/a44f7221-d33a-4808-a71a-9c364fc6c3d2

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/16434/
Detection(s):
Win.Packed.Bulz-10008187-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68808ac684b37dd61ef0e668
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
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/34775a11-bd17-41c7-89c6-436af98839e2
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1742470
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
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 sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
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)
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1742470 Sample: 4334t3tsefwe.exe Startdate: 23/07/2025 Architecture: WINDOWS Score: 100 22 prod.keyauth.com 2->22 24 64thservice.life 2->24 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->34 36 2 other signatures 2->36 8 4334t3tsefwe.exe 14 9 2->8         started        signatures3 process4 dnsIp5 26 prod.keyauth.com 104.21.16.1, 443, 49695 CLOUDFLARENETUS United States 8->26 28 64thservice.life 18.208.88.157, 443, 49681 AMAZON-AESUS United States 8->28 20 C:\Users\user\...\Microsoft.ServiceHub.exe, PE32 8->20 dropped 38 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->38 40 Found direct / indirect Syscall (likely to bypass EDR) 8->40 42 Tries to detect sandboxes / dynamic malware analysis system (registry check) 8->42 13 Microsoft.ServiceHub.exe 1 8->13         started        16 svchost.exe 2 8->16         started        file6 signatures7 process8 signatures9 44 Multi AV Scanner detection for dropped file 13->44 46 Detected unpacking (changes PE section rights) 13->46 48 Detected unpacking (overwrites its own PE header) 13->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->50 18 WerFault.exe 21 16 13->18         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
.Net Executable PE (Portable Executable)
Link:
https://app.malva.re/file/9c2012449fb5700f5ac49333b6fe7c5a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a/
Verdict:
Malicious
Threat:
Backdoor.MSIL.Crysan
Link:
https://tip.neiki.dev/file/f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-07-23 07:09:57 UTC
File Type:
PE+ (Exe)
Extracted files:
25
AV detection:
23 of 35 (65.71%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ks3kfas2jy2vsuz4ktj7grhhhy7gxvhsa3uwyrijspehoevwkna._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
69882927c19e5ddf6812f4fae47f5a16537c35fe2b8210704ac082bddecc01aa
AsyncRAT
7e922e8ef82c651ec8b7fd6c0d6111221eed68539e65400dc68ee4d9c29e491a
AsyncRAT
8131185680091f0a6eca619934c422a86cda3f957508ab89e5f6e989612cc4a5
AsyncRAT
88ff64ab6cc53b21d179746f72712b41502d651ab0983bc48356e60356e4000d
AsyncRAT
da39c91754a0fb7df94e2e2c2fbddff3796332d4f61f4eaff72ff743fab1191b
AsyncRAT
e82c9e1d76e12b280f69a471e33a95c9a4f3b2b6babd9e7287242b86fc67ea5e
AsyncRAT
error
AsyncRAT
f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
AsyncRAT
+ 35 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/250723-hzpp9sttg1/
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/8690788b-03c7-49fd-b558-d5eb073aa01e
Unpacked files
SH256 hash:
f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a
MD5 hash:
9c2012449fb5700f5ac49333b6fe7c5a
SHA1 hash:
0dfef643776358bb2d95c10ec2d6d694898ac835
Link:
https://www.unpac.me/results/c2597465-1511-4428-84b8-c0a20773ab46/
SH256 hash:
48c659c4f9f4309baae1f396c8138ea27e3034a51f06b4434f0eae9d70e3fbbe
MD5 hash:
93ed463d710e91cd7124fe51a102d095
SHA1 hash:
95aaf345290c6a6187104eebad72e653345047ae
Link:
https://www.unpac.me/results/c2597465-1511-4428-84b8-c0a20773ab46/
SH256 hash:
95349cbb0ce9bd2bb939c04e611750eca5d1ac1b8baa53641c28c147a59dc725
MD5 hash:
95b2c0f892fe4c15ac1d4929bcb54df1
SHA1 hash:
b13abc14da4b7f1c0a8f5aacd98f0c6fb18873fd
Link:
https://www.unpac.me/results/c2597465-1511-4428-84b8-c0a20773ab46/
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/f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a

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: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 8e9358fec241d99ee95b18eef6ce3c35e247578d82b027cfca444e2a407d545b

AsyncRAT

Executable exe f2a5b51412d271aaca99e2a69f9a2739f1f35ea790374b62284c9e43b895b29a

(this sample)

  
Dropped by
SHA256 8e9358fec241d99ee95b18eef6ce3c35e247578d82b027cfca444e2a407d545b
Cape
Cape
https://www.capesandbox.com/analysis/16434/
  
Dropped by
MD5 b2871eae9b0e53206066dc16ec1a9fb9
  
URLhaus
https://urlhaus.abuse.ch/url/3588332/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3588330/

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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