MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36972f2b95dc24bfcff41caf8ebccab00d1beb68405a020a42cfc18d2c2dc2d9. 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 19 File information Comments

SHA256 hash: 36972f2b95dc24bfcff41caf8ebccab00d1beb68405a020a42cfc18d2c2dc2d9
SHA3-384 hash: 42288c2e4fb5c79d91a5197121215ee2b23a0bdeb7485f51f40f32030db6f99b1d7a72794c136f6d9057413759c8b535
SHA1 hash: 4bc5de891f49655671c44b212c3f7282a7b1830b
MD5 hash: 55f41d951b5165f093c72eb9612baf89
humanhash: lemon-saturn-may-tennessee
File name:Pago442023.exe
Download: download sample
Signature AsyncRAT
File size:857'261 bytes
First seen:2023-04-04 11:00:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:kNA3R5drXZqFLto7/3dUjmvN1AlclhkhtjLe:F5ZqFLtozN0Glh2tjLe
TLSH T17E05BF8272C1817AEF63047851E5BE12701B7D1E1A3DD52BF3A6894FC6276C58FAF242
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64ccd4f0f0f0f0d4 (3 x AsyncRAT, 2 x AveMariaRAT, 1 x QuasarRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.254.37.238:3306

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Pago442023.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 11:02:58 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Launching a process
Launching a service
Creating a file
Changing a file
Delayed writing of the file
Running batch commands
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
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 detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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: 840873 Sample: Pago442023.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 7 other signatures 2->67 12 Pago442023.exe 10 2->12         started        15 crsi.exe 2->15         started        process3 file4 57 C:\Users\user\AppData\...\efgdkn.sfx.exe, PE32 12->57 dropped 18 cmd.exe 1 12->18         started        81 Machine Learning detection for dropped file 15->81 21 crsi.exe 15->21         started        signatures5 process6 signatures7 69 Uses schtasks.exe or at.exe to add and modify task schedules 18->69 23 efgdkn.sfx.exe 8 18->23         started        27 conhost.exe 18->27         started        process8 file9 55 C:\Users\user\AppData\Local\Temp\efgdkn.exe, PE32 23->55 dropped 73 Multi AV Scanner detection for dropped file 23->73 29 efgdkn.exe 1 23->29         started        signatures10 process11 signatures12 75 Machine Learning detection for dropped file 29->75 77 Injects a PE file into a foreign processes 29->77 79 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 29->79 32 efgdkn.exe 6 29->32         started        process13 file14 53 C:\Users\user\AppData\Roaming\crsi.exe, PE32 32->53 dropped 35 cmd.exe 1 32->35         started        37 cmd.exe 1 32->37         started        process15 process16 39 crsi.exe 1 35->39         started        42 conhost.exe 35->42         started        44 timeout.exe 1 35->44         started        46 conhost.exe 37->46         started        48 schtasks.exe 1 37->48         started        signatures17 71 Injects a PE file into a foreign processes 39->71 50 crsi.exe 39->50         started        process18 dnsIp19 59 mooroopecamroy.sytes.net 185.254.37.238, 3306, 49700 NETERRA-ASBG Germany 50->59
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-04-04 10:49:40 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:rnock rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
mooroopecamroy.sytes.net:3306
Unpacked files
SH256 hash:
b7ed6f0abc8f225c9bfc522954032609caaaf1085564ef072f63281fb0f6c6b5
MD5 hash:
892f40b934a7bbe9716fa1b927f91c78
SHA1 hash:
8b2c673f616615f1e4770fd8d801c74c117f9e80
SH256 hash:
567412d73b7a1894c7a1f542aa1559fd4c92a210b9a3defe92722b4d4f866ff4
MD5 hash:
7aafaad7a907ac7b1a00d0cfc7efe55e
SHA1 hash:
a490d425e95af30eda3621ce44fddd612b71d7f7
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
36972f2b95dc24bfcff41caf8ebccab00d1beb68405a020a42cfc18d2c2dc2d9
MD5 hash:
55f41d951b5165f093c72eb9612baf89
SHA1 hash:
4bc5de891f49655671c44b212c3f7282a7b1830b
Detections:
win_xorist_auto
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:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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_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
Rule name:win_xorist_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xorist.
Rule name:XWorm_Hunter
Author:Potato

File information


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

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