MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56. 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: 13


Intelligence 13 IOCs 1 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56
SHA3-384 hash: 305e7c17655f8ad36ffd80ed5c244944300f4ee277e38cd9cde21874344ec0dd7988eb087ed9a6c0b021b6640a6280c1
SHA1 hash: 53ed26fba664d03b0e2423d6da7235c983fe2a1e
MD5 hash: 3644f9a06d97f903a5ceebdd7f2f4500
humanhash: neptune-lactose-red-foxtrot
File name:3644f9a06d97f903a5ceebdd7f2f4500
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:227'840 bytes
First seen:2024-06-28 06:51:57 UTC
Last seen:2024-06-28 07:26:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 052a8313ce9ec358a967696376c518b5 (1 x AsyncRAT)
ssdeep 6144:zVW1Fk5kc9tepTde06Or1HVSuZyfbqLW:JWnYt0hHVSuTLW
TLSH T125245B4A33A408F4F5B79678CDB29946E6B37C964B31D30F07A4076E5E372609D3A722
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:64 AsyncRAT exe

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
94.232.249.111:7707 https://threatfox.abuse.ch/ioc/1289946/

Intelligence

File Origin
# of uploads :
2
# of downloads :
492
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win64.RATX-gen.32154.1117.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667e5dcb17db6c2841b206c7win10vpnfull_triage
Tags:
Execution Infostealer Injection Network Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a file
Delayed writing of the file
Launching a process
Creating a window
Сreating synchronization primitives
Sending an HTTP POST request
Creating a process from a recently created file
Creating a file in the %AppData% directory
Running batch commands
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer fingerprint lolbin microsoft_visual_cc remote shell32
Link:
https://www.filescan.io/uploads/667e5d926b8dba248b469199/reports/f5d301ac-84f5-452f-b173-1d8489130727/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d2165802-6437-473c-8383-c0aa455491d1
Result
Threat name:
AsyncRAT, HTMLPhisher, MicroClip, StormK
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464020
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Connects to a pastebin service (likely for C&C)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Creates HTML files with .exe extension (expired dropper behavior)
Creates multiple autostart registry keys
Drops executable to a common third party application directory
Drops PE files with benign system names
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies existing user documents (likely ransomware behavior)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Protects its processes via BreakOnTermination flag
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected BlockedWebSite
Yara detected Generic Downloader
Yara detected MicroClip
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected WorldWind Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1464020 Sample: w5APKwp5DD.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 108 pastebin.com 2->108 110 api.telegram.org 2->110 112 4 other IPs or domains 2->112 124 Snort IDS alert for network traffic 2->124 126 Multi AV Scanner detection for domain / URL 2->126 128 Found malware configuration 2->128 134 19 other signatures 2->134 11 w5APKwp5DD.exe 5 28 2->11         started        16 svchost.exe 2->16         started        signatures3 130 Connects to a pastebin service (likely for C&C) 108->130 132 Uses the Telegram API (likely for C&C communication) 110->132 process4 dnsIp5 120 lsrael.today 104.21.63.227, 443, 49705, 49706 CLOUDFLARENETUS United States 11->120 100 C:\Users\user\AppData\Local\...\psvhost.exe, PE32+ 11->100 dropped 102 C:\Users\...\Service_com.adobe.dunamis.exe, HTML 11->102 dropped 104 C:\Users\user\AppData\...\Service_Mozilla.exe, HTML 11->104 dropped 106 5 other malicious files 11->106 dropped 182 Creates HTML files with .exe extension (expired dropper behavior) 11->182 184 Creates multiple autostart registry keys 11->184 186 Contains functionality to inject threads in other processes 11->186 188 4 other signatures 11->188 18 relog.exe 14 11->18         started        file6 signatures7 process8 file9 74 C:\Users\user\AppData\Local\...\m2[1].dll, PE32+ 18->74 dropped 76 C:\Users\user\AppData\Local\...\m1[1].dll, PE32+ 18->76 dropped 78 C:\Users\user\AppData\Roaming\...\prefs.js, ASCII 18->78 dropped 136 Protects its processes via BreakOnTermination flag 18->136 138 Changes memory attributes in foreign processes to executable or writable 18->138 140 Contains functionality to inject threads in other processes 18->140 142 7 other signatures 18->142 22 explorer.exe 155 11 18->22 injected signatures10 process11 file12 80 C:\Users\user\...\CF0F.tmp.svchost.exe, PE32 22->80 dropped 82 C:\Users\user\...\CC20.tmp.Serverssss.exe, PE32 22->82 dropped 84 C:\Users\user\...\C837.tmp.svchost.exe, PE32 22->84 dropped 148 System process connects to network (likely due to code injection or exploit) 22->148 150 Benign windows process drops PE files 22->150 152 Found many strings related to Crypto-Wallets (likely being stolen) 22->152 154 Contains functionality to inject code into remote processes 22->154 26 CC20.tmp.Serverssss.exe 22->26         started        31 C837.tmp.svchost.exe 22->31         started        33 psvhost.exe 22->33         started        35 7 other processes 22->35 signatures13 process14 dnsIp15 114 api.telegram.org 149.154.167.220, 443, 49747, 49749 TELEGRAMRU United Kingdom 26->114 116 pastebin.com 104.20.3.235, 443, 49755 CLOUDFLARENETUS United States 26->116 118 3 other IPs or domains 26->118 86 C:\Users\user\AppData\...behaviorgraphIGIYTFFYT.jpg, ASCII 26->86 dropped 88 C:\Users\user\AppData\...\PALRGUCVEH.xlsx, ASCII 26->88 dropped 90 C:\Users\user\AppData\...\PSAMNLJHZW.pdf, PSA 26->90 dropped 98 2 other malicious files 26->98 dropped 156 Multi AV Scanner detection for dropped file 26->156 158 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 26->158 160 Machine Learning detection for dropped file 26->160 180 5 other signatures 26->180 37 cmd.exe 26->37         started        40 cmd.exe 26->40         started        92 C:\Users\user\AppData\Roaming\svchost.exe, PE32 31->92 dropped 162 Antivirus detection for dropped file 31->162 164 Creates multiple autostart registry keys 31->164 166 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 31->166 168 Drops PE files with benign system names 31->168 42 cmd.exe 31->42         started        170 Contains functionality to inject threads in other processes 33->170 172 Writes to foreign memory regions 33->172 174 Modifies the context of a thread in another process (thread injection) 33->174 44 relog.exe 33->44         started        94 C:\Users\user\AppData\...\tmpE6AC.tmp.bat, DOS 35->94 dropped 96 C:\Users\user\AppData\Local\...\fuck[1].htm, HTML 35->96 dropped 176 Maps a DLL or memory area into another process 35->176 178 Drops executable to a common third party application directory 35->178 46 cmd.exe 35->46         started        48 relog.exe 35->48         started        50 relog.exe 35->50         started        52 2 other processes 35->52 file16 signatures17 process18 signatures19 54 conhost.exe 37->54         started        56 chcp.com 37->56         started        70 2 other processes 37->70 72 3 other processes 40->72 144 Uses netsh to modify the Windows network and firewall settings 42->144 146 Tries to harvest and steal WLAN passwords 42->146 58 conhost.exe 42->58         started        60 timeout.exe 42->60         started        62 svchost.exe 46->62         started        66 conhost.exe 46->66         started        68 timeout.exe 46->68         started        process20 dnsIp21 122 94.232.249.111, 49738, 7707 INT-PDN-STE-ASSTEPDNInternalASSY Syrian Arab Republic 62->122 190 System process connects to network (likely due to code injection or exploit) 62->190 192 Multi AV Scanner detection for dropped file 62->192 signatures22
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56/
Threat name:
Win64.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-06-27 03:13:46 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7cxfwsa7q64x3rp6vmqvvpwgc7m62pbrxzxwraubpkpefh2z5la._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default persistence privilege_escalation rat spyware stealer
Link:
https://tria.ge/reports/240628-hm25tswerh/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Suspicious use of SetThreadContext
Adds Run key to start application
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Async RAT payload
AsyncRat
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
94.232.249.111:6606
94.232.249.111:7707
94.232.249.111:8808
https://api.telegram.org/bot7379351260:AAGqtKlpHd72GFMRON17QY1OA6l1sR7mBik/sendMessage?chat_id=5795480469
Unpacked files
SH256 hash:
bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56
MD5 hash:
3644f9a06d97f903a5ceebdd7f2f4500
SHA1 hash:
53ed26fba664d03b0e2423d6da7235c983fe2a1e
Detections:
ReflectiveLoader
Create hunting rule
BroEx
Create hunting rule
Link:
https://www.unpac.me/results/197e73d5-c51e-4f9a-ab9f-d74720c6e109/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfc572da40fc/report/overview.html
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:BroEx
Create hunting rule
Author:@bartblaze
Description:Detects BroEx, a type of agressive adware.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ReflectiveLoader
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
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 bfc572da40fc3dcbee2ff5590ad5f630becf69e18df37b44140bd4f214facf56

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2910243/

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::RtlInitUnicodeString
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateRemoteThread
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
WININET.dll::InternetCloseHandle
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingA
ntdll.dll::NtOpenFile
KERNEL32.dll::FindFirstFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegSetValueExW

Comments


Avatar
zbet commented on 2024-06-28 06:51:58 UTC

url : hxxps://lsrael.today/fuck.exe