MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 664f549ffe4c831b105540a15ff1975b0b79f478f50006698df419393322d335. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: 664f549ffe4c831b105540a15ff1975b0b79f478f50006698df419393322d335
SHA3-384 hash: 7eadc3f900414a937476b58f6d7a50721ddae6a091eafc8111262d5fc5ec55890adbd41a213fad0f4b58cbe2cfd42127
SHA1 hash: 532d88bdd4ab7c3c91c5f2bdab92f16479cecb40
MD5 hash: 5ad8c0825c9088791624406747ac0bd0
humanhash: six-single-indigo-pennsylvania
File name:64th_Services.exe
Download: download sample
Signature AsyncRAT
File size:14'665'728 bytes
First seen:2025-07-02 19:39:00 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+vSe7PymPkSh:k7F7VnfQMWuCzie7P7R
TLSH T171E6126372048E44C07687FC1023DAB597336E5D1874D35A35FABDA7FAF2A425C0A98B
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 :
28
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
64thServices.exe
Verdict:
Malicious activity
Analysis date:
2025-07-02 19:33:20 UTC
Tags:
github loader confuser

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
emotet packed blic sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dllhost enigma fingerprint lolbin obfuscated packed packed packed regsvr32 replace
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
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 submitted file
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable)
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-07-02 19:38:06 UTC
File Type:
PE+ (Exe)
Extracted files:
25
AV detection:
23 of 37 (62.16%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Verdict:
Malicious
Tags:
Win.Packed.Bulz-10008187-0
YARA:
n/a
Unpacked files
SH256 hash:
664f549ffe4c831b105540a15ff1975b0b79f478f50006698df419393322d335
MD5 hash:
5ad8c0825c9088791624406747ac0bd0
SHA1 hash:
532d88bdd4ab7c3c91c5f2bdab92f16479cecb40
SH256 hash:
48c659c4f9f4309baae1f396c8138ea27e3034a51f06b4434f0eae9d70e3fbbe
MD5 hash:
93ed463d710e91cd7124fe51a102d095
SHA1 hash:
95aaf345290c6a6187104eebad72e653345047ae
SH256 hash:
95349cbb0ce9bd2bb939c04e611750eca5d1ac1b8baa53641c28c147a59dc725
MD5 hash:
95b2c0f892fe4c15ac1d4929bcb54df1
SHA1 hash:
b13abc14da4b7f1c0a8f5aacd98f0c6fb18873fd
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Enigma
Author:ditekSHen
Description:Detects executables packed with Enigma
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
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.

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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