MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2449fe334bbf8f09ff80422578a6c6961d20a0a456b214f6490c5ed1ae859c9e. 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 7 File information Comments 1

SHA256 hash: 2449fe334bbf8f09ff80422578a6c6961d20a0a456b214f6490c5ed1ae859c9e
SHA3-384 hash: 59b6acc6730aaa551ea32dff98f4ceb1d6d36eee35357bdfc750fb6ed1486febd69838b3aa9047c910d8178475c2065c
SHA1 hash: e98db252a62c84fd87416d2ec347de46ec053ebd
MD5 hash: 35e7f1f850ca524d0eaa6522a4451834
humanhash: spring-music-enemy-twenty
File name:35e7f1f850ca524d0eaa6522a4451834
Download: download sample
Signature AsyncRAT
File size:487'936 bytes
First seen:2024-08-04 12:23:04 UTC
Last seen:2024-08-04 15:15:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0a6cdc3530817fd79636dcef941e1d55 (1 x AsyncRAT)
ssdeep 6144:gFJ8aFxdJD82I+PwMmTqhepZsZsqAPh+jtKiEoRagl2SEP5zrAdi:gFyaFxdJbIAuZ0sHPwjAoZpExodi
Threatray 2 similar samples on MalwareBazaar
TLSH T1FFA43B11B6A08034F8F716F94DBE617DA93CBEE0172594CB62C425ED8639AE0BD31727
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
353
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
35e7f1f850ca524d0eaa6522a4451834
Verdict:
Malicious activity
Analysis date:
2024-08-04 12:26:28 UTC
Tags:
loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Generic Network Other Static Stealth Variant
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Creating a window
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Searching for synchronization primitives
Launching a service
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Running batch commands
Creating a process from a recently created file
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm fingerprint lolbin microsoft_visual_cc miner shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad.expl
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list
AI detected suspicious sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queues an APC in another process (thread injection)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Invoke-Obfuscation Via Stdin
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
UAC bypass detected (Fodhelper)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1487518 Sample: w859ZBDwaQ.exe Startdate: 04/08/2024 Architecture: WINDOWS Score: 100 148 Malicious sample detected (through community Yara rule) 2->148 150 Antivirus detection for URL or domain 2->150 152 Multi AV Scanner detection for submitted file 2->152 154 15 other signatures 2->154 12 msiexec.exe 112 133 2->12         started        15 RmmService.exe 2->15         started        18 CnpazovsnJc.exe 2->18         started        21 7 other processes 2->21 process3 dnsIp4 120 C:\Program Files (x86)\...\python_x86_Lib.exe, PE32 12->120 dropped 122 C:\Program Files (x86)\...\RmmService.exe, PE32 12->122 dropped 124 C:\Program Files (x86)\...\ITSMService.exe, PE32 12->124 dropped 126 64 other files (none is malicious) 12->126 dropped 23 msiexec.exe 1 5 12->23         started        25 msiexec.exe 12->25         started        134 107.23.203.25 AMAZON-AESUS United States 15->134 136 192.168.2.1 unknown unknown 15->136 27 RmmService.exe 15->27         started        30 RmmService.exe 15->30         started        156 Modifies Windows Defender protection settings 18->156 158 Adds extensions / path to Windows Defender exclusion list 18->158 160 Adds a directory exclusion to Windows Defender 18->160 138 185.196.9.187 SIMPLECARRIERCH Switzerland 21->138 140 35.222.52.117 GOOGLEUS United States 21->140 142 5 other IPs or domains 21->142 162 UAC bypass detected (Fodhelper) 21->162 164 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->164 166 Uses schtasks.exe or at.exe to add and modify task schedules 21->166 168 Queues an APC in another process (thread injection) 21->168 33 ITSMAgent.exe 21->33         started        36 RmmService.exe 21->36         started        38 cmd.exe 21->38         started        40 5 other processes 21->40 file5 signatures6 process7 dnsIp8 42 cmd.exe 1 23->42         started        108 C:\Users\...\Zuvinac_LetThereBeCarnage.exe, PE32 27->108 dropped 45 cmd.exe 27->45         started        47 conhost.exe 27->47         started        178 Adds a directory exclusion to Windows Defender 30->178 49 cmd.exe 30->49         started        51 conhost.exe 30->51         started        130 127.0.0.1 unknown unknown 33->130 53 conhost.exe 36->53         started        55 conhost.exe 38->55         started        57 conhost.exe 40->57         started        file9 signatures10 process11 signatures12 170 Modifies Windows Defender protection settings 42->170 172 Adds a directory exclusion to Windows Defender 42->172 59 python_x86_Lib.exe 1004 42->59         started        62 conhost.exe 42->62         started        64 Zuvinac_LetThereBeCarnage.exe 45->64         started        68 powershell.exe 49->68         started        process13 dnsIp14 110 C:\Program Files (x86)\COMODO\...\zipfile.py, Python 59->110 dropped 112 C:\Program Files (x86)\...\xmlrpclib.py, Python 59->112 dropped 114 C:\Program Files (x86)\COMODO\...\xmllib.py, Python 59->114 dropped 118 434 other files (none is malicious) 59->118 dropped 70 cmd.exe 59->70         started        128 8.8.8.8 GOOGLEUS United States 64->128 116 C:\Users\user\AppData\...\CnpazovsnJc.exe, PE32 64->116 dropped 144 UAC bypass detected (Fodhelper) 64->144 72 cmd.exe 64->72         started        74 cmd.exe 64->74         started        146 Loading BitLocker PowerShell Module 68->146 file15 signatures16 process17 process18 76 conhost.exe 70->76         started        78 CnpazovsnJc.exe 72->78         started        82 conhost.exe 72->82         started        84 timeout.exe 72->84         started        86 conhost.exe 74->86         started        88 schtasks.exe 74->88         started        dnsIp19 132 185.196.11.58 SIMPLECARRIERCH Switzerland 78->132 180 Modifies Windows Defender protection settings 78->180 182 Adds extensions / path to Windows Defender exclusion list 78->182 184 Adds a directory exclusion to Windows Defender 78->184 90 cmd.exe 78->90         started        93 cmd.exe 78->93         started        signatures20 process21 signatures22 174 Modifies Windows Defender protection settings 90->174 176 Adds a directory exclusion to Windows Defender 90->176 95 powershell.exe 90->95         started        98 powershell.exe 90->98         started        100 powershell.exe 90->100         started        106 3 other processes 90->106 102 powershell.exe 93->102         started        104 conhost.exe 93->104         started        process23 signatures24 186 Loading BitLocker PowerShell Module 102->186
Threat name:
Win32.Spyware.Redline
Status:
Malicious
First seen:
2024-07-31 17:47:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat discovery execution persistence rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Checks SCSI registry key(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Blocklisted process makes network request
Checks for any installed AV software in registry
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
AsyncRat
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2449fe334bbf8f09ff80422578a6c6961d20a0a456b214f6490c5ed1ae859c9e
MD5 hash:
35e7f1f850ca524d0eaa6522a4451834
SHA1 hash:
e98db252a62c84fd87416d2ec347de46ec053ebd
Detections:
Generic_Dropper
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Generic_Dropper
Author:Florian Roth (Nextron Systems)
Description:Detects Dropper PDB string in file
Reference:https://goo.gl/JAHZVL
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Web download

AsyncRAT

Executable exe 2449fe334bbf8f09ff80422578a6c6961d20a0a456b214f6490c5ed1ae859c9e

(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
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToFileA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetTempPathA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowA

Comments



Avatar
zbet commented on 2024-08-04 12:23:05 UTC

url : hxxp://91.92.240.111/dropper.exe