MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70c6d555938fdc95c03f98a7a3a37b607d1dce623663479082c5b9514caa04fd. 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: 17


Intelligence 17 IOCs 1 YARA 26 File information Comments 1

SHA256 hash: 70c6d555938fdc95c03f98a7a3a37b607d1dce623663479082c5b9514caa04fd
SHA3-384 hash: 5b76589f1dc8d7be4652e51a8cadf689ea8bd9423281150972bfb97f4c7994affc4d7eb3609671c514a0b5c82f7bb3cb
SHA1 hash: 91362eaf33dc55e4d970fbefbda975be32628d6b
MD5 hash: 670d1014ec5713d005f8ddfefc495a9e
humanhash: india-tennessee-foxtrot-pizza
File name:670d1014ec5713d005f8ddfefc495a9e
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2024-07-29 07:02:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:EuwpFTAY3IQWUe9jqmo2qLPzXR8myUdPIvfc2C0b2lnNPVPUXHyk/UQsS25BDZ8x:EuwpFTA4/2KRx0vfb9bgnTUXHmpS2nd+
TLSH T119232C003BEDC12BF2BD4F7498F22256857AF2673603D64E1CC441975B23BC696526EA
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
176.111.174.140:8808 https://threatfox.abuse.ch/ioc/1304646/

Intelligence


File Origin
# of uploads :
1
# of downloads :
400
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
670d1014ec5713d005f8ddfefc495a9e
Verdict:
Malicious activity
Analysis date:
2024-07-29 08:55:07 UTC
Tags:
asyncrat rat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
Execution Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Delayed writing of the file
Sending an HTTP GET request
Enabling the 'hidden' option for recently created files
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat config-extracted fareit lolbin njrat razy reg samas schtasks vbnet
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:
AsyncRAT, Luca Stealer, MicroClip, PureL
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
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 multiple autostart registry keys
Drops executable to a common third party application directory
Drops PE files with benign system names
Found API chain indicative of debugger detection
Found hidden mapped module (file has been removed from disk)
Found malware configuration
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 the context of a thread in another process (thread injection)
Modifies the hosts file
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Protects its processes via BreakOnTermination flag
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Suspicious powershell command line found
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Luca Stealer
Yara detected MicroClip
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1483836 Sample: kITyVxWkHB.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 173 Found malware configuration 2->173 175 Malicious sample detected (through community Yara rule) 2->175 177 Antivirus detection for dropped file 2->177 179 24 other signatures 2->179 13 svchost.exe 1 5 2->13         started        17 {09258A46D44A2518020777}.exe 2 2->17         started        20 Service_com.adobe.dunamis.exe 2->20         started        22 4 other processes 2->22 process3 dnsIp4 157 176.111.174.140, 49704, 49711, 49712 WILWAWPL Russian Federation 13->157 149 C:\Users\user\AppData\Local\Temp\wpuvgm.exe, PE32 13->149 dropped 151 C:\Users\user\AppData\Local\Temp\uvzlvc.exe, PE32+ 13->151 dropped 24 cmd.exe 1 13->24         started        27 cmd.exe 13->27         started        159 Found API chain indicative of debugger detection 17->159 161 Contains functionality to inject threads in other processes 17->161 163 Writes to foreign memory regions 17->163 29 schtasks.exe 17->29         started        31 relog.exe 17->31         started        165 Modifies the context of a thread in another process (thread injection) 20->165 167 Found hidden mapped module (file has been removed from disk) 20->167 169 Maps a DLL or memory area into another process 20->169 33 schtasks.exe 20->33         started        35 relog.exe 20->35         started        153 C:\Users\user\AppData\Roaming\svchost.exe, PE32 22->153 dropped 155 C:\Users\user\AppData\...\kITyVxWkHB.exe.log, ASCII 22->155 dropped 171 Drops PE files with benign system names 22->171 37 cmd.exe 1 22->37         started        39 cmd.exe 1 22->39         started        41 2 other processes 22->41 file5 signatures6 process7 signatures8 189 Suspicious powershell command line found 24->189 43 powershell.exe 12 24->43         started        45 conhost.exe 24->45         started        47 powershell.exe 27->47         started        49 conhost.exe 27->49         started        51 conhost.exe 29->51         started        53 conhost.exe 33->53         started        191 Bypasses PowerShell execution policy 37->191 193 Uses schtasks.exe or at.exe to add and modify task schedules 37->193 57 2 other processes 37->57 59 3 other processes 39->59 55 conhost.exe 41->55         started        process9 process10 61 uvzlvc.exe 1 3 43->61         started        65 wpuvgm.exe 47->65         started        file11 145 C:\Users\...\{09258A46D44A2518020777}.exe, PE32+ 61->145 dropped 213 Found API chain indicative of debugger detection 61->213 215 Creates multiple autostart registry keys 61->215 217 Contains functionality to inject threads in other processes 61->217 219 5 other signatures 61->219 67 relog.exe 61->67         started        71 schtasks.exe 1 61->71         started        147 C:\Users\user\AppData\...\servisis.exe, PE32 65->147 dropped 73 schtasks.exe 65->73         started        signatures12 process13 file14 121 C:\...\Service_{09258A46D44A2518020777}.exe, PE32+ 67->121 dropped 123 C:\Users\...\Service_com.adobe.dunamis.exe, PE32+ 67->123 dropped 125 C:\Users\user\AppData\...\Service_Mozilla.exe, PE32+ 67->125 dropped 127 5 other malicious files 67->127 dropped 181 Protects its processes via BreakOnTermination flag 67->181 183 Changes memory attributes in foreign processes to executable or writable 67->183 185 Found API chain indicative of debugger detection 67->185 187 11 other signatures 67->187 75 explorer.exe 67->75 injected 79 schtasks.exe 67->79         started        81 schtasks.exe 67->81         started        87 3 other processes 67->87 83 conhost.exe 71->83         started        85 conhost.exe 73->85         started        signatures15 process16 file17 137 C:\Users\user\AppData\...\6ECE.tmp.sahyu.exe, PE32+ 75->137 dropped 139 C:\Users\user\...\42DB.tmp.PPGcgnyW.exe, PE32 75->139 dropped 141 C:\Users\user\...\3BB6.tmp.svchost.exe, PE32 75->141 dropped 143 3 other malicious files 75->143 dropped 207 System process connects to network (likely due to code injection or exploit) 75->207 209 Benign windows process drops PE files 75->209 211 Contains functionality to inject code into remote processes 75->211 89 1FEF.tmp.svchac.exe 75->89         started        93 Service_Adobe.exe 75->93         started        95 {09258A46D44A2518020777}.exe 75->95         started        107 2 other processes 75->107 97 conhost.exe 79->97         started        99 conhost.exe 81->99         started        101 conhost.exe 87->101         started        103 conhost.exe 87->103         started        105 conhost.exe 87->105         started        signatures18 process19 file20 129 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 89->129 dropped 131 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 89->131 dropped 133 C:\Users\user\AppData\Local\...\python312.dll, PE32+ 89->133 dropped 135 51 other files (49 malicious) 89->135 dropped 195 Multi AV Scanner detection for dropped file 89->195 197 Writes to foreign memory regions 93->197 199 Modifies the context of a thread in another process (thread injection) 93->199 201 Found hidden mapped module (file has been removed from disk) 93->201 109 schtasks.exe 93->109         started        111 relog.exe 93->111         started        203 Maps a DLL or memory area into another process 95->203 113 schtasks.exe 95->113         started        115 relog.exe 95->115         started        205 Machine Learning detection for dropped file 107->205 signatures21 process22 process23 117 conhost.exe 109->117         started        119 conhost.exe 113->119         started       
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2024-07-26 23:19:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
redline
Score:
  10/10
Tags:
family:asyncrat family:redline botnet:default botnet:diamotrix credential_access discovery execution infostealer persistence rat spyware stealer upx
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Downloads MZ/PE file
Drops file in Drivers directory
Async RAT payload
Credentials from Password Stores: Credentials from Web Browsers
AsyncRat
RedLine
RedLine payload
Malware Config
C2 Extraction:
176.111.174.140:6606
176.111.174.140:7707
176.111.174.140:8808
176.111.174.140:1912
Unpacked files
SH256 hash:
70c6d555938fdc95c03f98a7a3a37b607d1dce623663479082c5b9514caa04fd
MD5 hash:
670d1014ec5713d005f8ddfefc495a9e
SHA1 hash:
91362eaf33dc55e4d970fbefbda975be32628d6b
Detections:
AsyncRAT win_asyncrat_w0 asyncrat
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat_kingrat
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


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

Web download

AsyncRAT

Executable exe 70c6d555938fdc95c03f98a7a3a37b607d1dce623663479082c5b9514caa04fd

(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

Comments



Avatar
zbet commented on 2024-07-29 07:02:35 UTC

url : hxxp://176.111.174.140/PPGcgnyW.exe