MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f5ff17f83e1324e818db69e26d1f9adb3b4c1c0d31e3768ef1a6fdf1239726e. 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 11 File information Comments

SHA256 hash: 9f5ff17f83e1324e818db69e26d1f9adb3b4c1c0d31e3768ef1a6fdf1239726e
SHA3-384 hash: 013cdde01f343aec06c885d2a4b8bcfdcb4b435ea5b4377a153ed8ca103a4480e64f3f7750472e36383d61ccc037429a
SHA1 hash: 2fb072bf8fdd93bd16207738cb4908adfca38aa7
MD5 hash: 397db55f5a65e819e78a4d9b5d50961a
humanhash: friend-may-mountain-king
File name:9F5FF17F83E1324E818DB69E26D1F9ADB3B4C1C0D31E3.exe
Download: download sample
Signature AsyncRAT
File size:50'176 bytes
First seen:2022-05-14 12:37:16 UTC
Last seen:2022-05-14 13:31:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 768:Go5UMm9JrE4Gj0uN2JgNFTuCy78rw0bhzsQW/8PdKCCs8NqHClZE2tYcFmVc6K:Go5UMmfJrIrbbhzR4P1NnrEKmVcl
Threatray 3'975 similar samples on MalwareBazaar
TLSH T1B0332C1037E9812AE2BE4E7859F26241427BF1233603D94D7C8841DB6B13BC79A526FA
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
2.224.144.191:2222

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
2.224.144.191:2222 https://threatfox.abuse.ch/ioc/566525/

Intelligence


File Origin
# of uploads :
2
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
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
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm asyncrat greyware njrat obfuscated packed rat replace.exe schtasks.exe
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 626579 Sample: 9F5FF17F83E1324E818DB69E26D... Startdate: 14/05/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 11 other signatures 2->41 7 9F5FF17F83E1324E818DB69E26D1F9ADB3B4C1C0D31E3.exe 7 2->7         started        11 windows.exe 2 2->11         started        process3 dnsIp4 29 C:\Users\user\AppData\Roaming\windows.exe, PE32 7->29 dropped 31 9F5FF17F83E1324E81...B4C1C0D31E3.exe.log, ASCII 7->31 dropped 43 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->43 14 cmd.exe 1 7->14         started        17 cmd.exe 1 7->17         started        33 asmodeus666.ddns.net 2.224.144.191, 2222, 49758 FASTWEBIT Italy 11->33 45 Antivirus detection for dropped file 11->45 47 Multi AV Scanner detection for dropped file 11->47 49 Machine Learning detection for dropped file 11->49 file5 signatures6 process7 signatures8 51 Uses schtasks.exe or at.exe to add and modify task schedules 14->51 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 windows.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2022-05-09 09:59:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
asmodeus666.ddns.net:2222
Unpacked files
SH256 hash:
9f5ff17f83e1324e818db69e26d1f9adb3b4c1c0d31e3768ef1a6fdf1239726e
MD5 hash:
397db55f5a65e819e78a4d9b5d50961a
SHA1 hash:
2fb072bf8fdd93bd16207738cb4908adfca38aa7
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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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: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: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.

Comments