MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a4a1fc4c3ddccb8efcaaab7fa0ba3965e2244fa0733100e56122354e7bb721a. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments

SHA256 hash: 1a4a1fc4c3ddccb8efcaaab7fa0ba3965e2244fa0733100e56122354e7bb721a
SHA3-384 hash: a6c5ae7cc9e5b5f26ae64a526d3d334b0124a72785e8fb3820fb0ef8a8e61139fcd154ebf5a467b960dd62d011451b9a
SHA1 hash: 7ce759591754c39c71891577bdfbff3535c61aa8
MD5 hash: 2a07e14457fd80f2d337498b5a91c0a2
humanhash: triple-yankee-uranus-april
File name:window.exe
Download: download sample
Signature AsyncRAT
File size:7'865'067 bytes
First seen:2025-05-04 17:50:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d7e2fd259780271687ffca462b9e69b7 (6 x AsyncRAT, 6 x LummaStealer, 6 x AurotunStealer)
ssdeep 196608:cfUBeDIHXhU2KZgEI2ti+SIRXD913J+xDApk78nQsfZYR5aVUG2a:sbYu2KZgFSlBnsxApkXsfZHVb2a
Threatray 5 similar samples on MalwareBazaar
TLSH T1D686233291614022F6F102B39D2896347EACE7386755887DD7C4EE5979F8882BBF3253
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon b2e1b496a6cada72 (13 x LummaStealer, 12 x AsyncRAT, 8 x Rhadamanthys)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
550
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
window.exe
Verdict:
Malicious activity
Analysis date:
2025-05-04 19:37:19 UTC
Tags:
auto-startup delphi hijackloader loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the Windows subdirectories
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Connection attempt
Sending an HTTP POST request
Transferring files using the Background Intelligent Transfer Service (BITS)
Enabling the 'hidden' option for recently created files
Moving a file to the %AppData% subdirectory
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm anti-vm CAB cmd crypto evasive expand expired-cert expired-cert explorer fingerprint fingerprint installer keylogger lolbin microsoft_visual_cc overlay overlay packed packed packed packer_detected remote rundll32 runonce
Verdict:
Malicious
Labled as:
Win32_TrojanDownloader_Rugmi_ARI_gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
88 / 100
Signature
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1680954 Sample: window.exe Startdate: 04/05/2025 Architecture: WINDOWS Score: 88 67 pki-goog.l.google.com 2->67 69 c.pki.goog 2->69 85 Antivirus detection for URL or domain 2->85 87 Multi AV Scanner detection for dropped file 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 Joe Sandbox ML detected suspicious sample 2->91 11 window.exe 3 2->11         started        14 IRelay.exe 5 2->14         started        signatures3 process4 file5 57 C:\Windows\Temp\...\window.exe, PE32 11->57 dropped 17 window.exe 12 11->17         started        59 C:\Users\user\AppData\Local\...\DB999C8.tmp, PE32+ 14->59 dropped 101 Modifies the context of a thread in another process (thread injection) 14->101 103 Maps a DLL or memory area into another process 14->103 105 Found direct / indirect Syscall (likely to bypass EDR) 14->105 21 SynthModul32.exe 12 14->21         started        23 360Tray.exe 14->23         started        signatures6 process7 file8 43 C:\Windows\Temp\...\sqlite3.dll, PE32 17->43 dropped 45 C:\Windows\Temp\...\datastate.dll, PE32 17->45 dropped 47 C:\Windows\Temp\...\IRelay.exe, PE32 17->47 dropped 49 C:\Windows\Temp\...\Biogeny.dll, PE32 17->49 dropped 81 Multi AV Scanner detection for dropped file 17->81 25 IRelay.exe 6 17->25         started        83 Found direct / indirect Syscall (likely to bypass EDR) 21->83 29 WerFault.exe 4 21 21->29         started        signatures9 process10 file11 51 C:\ProgramData\Vzw_Http_2\sqlite3.dll, PE32 25->51 dropped 53 C:\ProgramData\Vzw_Http_2\datastate.dll, PE32 25->53 dropped 55 C:\ProgramData\Vzw_Http_2\IRelay.exe, PE32 25->55 dropped 97 Switches to a custom stack to bypass stack traces 25->97 99 Found direct / indirect Syscall (likely to bypass EDR) 25->99 31 IRelay.exe 7 25->31         started        signatures12 process13 file14 61 C:\Users\user\AppData\Roaming\...\360Tray.exe, PE32 31->61 dropped 63 C:\Users\user\AppData\Local\...\C07E84B.tmp, PE32+ 31->63 dropped 65 C:\Users\user\AppData\...\SynthModul32.exe, PE32+ 31->65 dropped 73 Modifies the context of a thread in another process (thread injection) 31->73 75 Found hidden mapped module (file has been removed from disk) 31->75 77 Maps a DLL or memory area into another process 31->77 79 2 other signatures 31->79 35 360Tray.exe 2 31->35         started        38 SynthModul32.exe 12 31->38         started        signatures15 process16 dnsIp17 93 Switches to a custom stack to bypass stack traces 35->93 95 Found direct / indirect Syscall (likely to bypass EDR) 35->95 71 45.227.253.10, 443, 49693, 49708 GLOBALLAYERNL Panama 38->71 41 WerFault.exe 19 16 38->41         started        signatures18 process19
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2025-05-02 23:55:19 UTC
File Type:
PE (Exe)
Extracted files:
442
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1a4a1fc4c3ddccb8efcaaab7fa0ba3965e2244fa0733100e56122354e7bb721a
MD5 hash:
2a07e14457fd80f2d337498b5a91c0a2
SHA1 hash:
7ce759591754c39c71891577bdfbff3535c61aa8
SH256 hash:
eea65e184fbf44003b15d3e5faa16ec239305ace3e2bd1a5646aee56ed45832f
MD5 hash:
c37cd86dc3e4c2a4f42fe32a6702d0a9
SHA1 hash:
f121e2c6852c8353ff48b412af75d5004a4fee24
SH256 hash:
6a416dd318d53261096e45ac318f678b4aab24e5cd178d27e87f461c93316f9d
MD5 hash:
1f7a6af442aaf7d6a605882599c6452f
SHA1 hash:
042b79a7717c8202c103ca2344a8cd0701c429b1
SH256 hash:
871696b844da91c61eafd4342248eb6731ffa5b0cd01da6d14e55c6c238734b7
MD5 hash:
86c7b1cc09dbde625512b552ab9aba2b
SHA1 hash:
2c76e79cfc99d6ace13106a9e90fc629eb0bb860
Detections:
allow_rdp_session_without_password INDICATOR_SUSPICIOUS_Binary_References_Browsers
SH256 hash:
506999fc82648367840915f93daab55d9c2efddd1759047d383f3a151a31c300
MD5 hash:
1527dc19adb673f07c9884c279159691
SHA1 hash:
b946e08100ea345ce794fa10a4065d691f04377b
Detections:
win_sysscan_auto
SH256 hash:
075a6200e25cdaa85308b0a81ec2b74cc839f7680f25ba836da0d4091a2bb127
MD5 hash:
c92a373bd2fe5763a6cdcbcc7c2c991c
SHA1 hash:
28927b3fb57da0acf72611b576d53e95217a3bd4
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Malware family:
HijackLoader
Verdict:
Malicious
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
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:Windows_Trojan_GhostPulse_caea316b
Author:Elastic Security
Rule name:win_rat_generic
Author:Reedus0
Description:Rule for detecting generic RAT malware

File information


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

Web download

AsyncRAT

Executable exe 1a4a1fc4c3ddccb8efcaaab7fa0ba3965e2244fa0733100e56122354e7bb721a

(this sample)

  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::SetNamedSecurityInfoW
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt FilesADVAPI32.dll::DecryptFileW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptGetHashParam
ADVAPI32.dll::CryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
ADVAPI32.dll::QueryServiceStatus
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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