MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9160b90fa4a6a9cf22f943dba92cec64e2dc03c2317b5d9ab50a753fc410ce43. 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 YARA 10 File information Comments

SHA256 hash: 9160b90fa4a6a9cf22f943dba92cec64e2dc03c2317b5d9ab50a753fc410ce43
SHA3-384 hash: 7694d02a6559849bd392abecd61fbfeaac888f416ea690f66ea78a0bbef123e5b9e9c5e22bd7bb0fe26bbcf9d77b857f
SHA1 hash: c1d235a9a2cae8d5a8d4f6ceb4eab9417e1b1fb2
MD5 hash: f4fdcb900e7af47100ac9e46945fbd55
humanhash: cat-foxtrot-king-paris
File name:client.bin
Download: download sample
Signature AsyncRAT
File size:147'968 bytes
First seen:2022-10-21 06:31:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:Bsp9iv+DYM5ob0HGNSKsstcnZTJQDgWPaySsdH5boWz:Op9iTMSb0mgKFcQjhdH
Threatray 39 similar samples on MalwareBazaar
TLSH T1A4E3F9243EFE501DF177BFB86ED07586997EF6633603945E2480034A4B23B81DDA167A
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter JAMESWT_WT
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.anonfiles.com/B9M4ef3ay3/VenomRAT_rar
Verdict:
Malicious activity
Analysis date:
2022-08-10 04:36:15 UTC
Tags:
n/a

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

Behaviour
Launching a process
Creating a process with a hidden window
Creating a file
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat configsecuritypolicy.exe evasive hacktool mpcmdrun.exe msconfig.exe njrat pandora rat regedit.exe samas
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:
ArrowRAT, AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected ArrowRAT
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727293 Sample: client.bin.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 21 Malicious sample detected (through community Yara rule) 2->21 23 Antivirus detection for URL or domain 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 7 other signatures 2->27 7 client.bin.exe 1 2->7         started        11 explorer.exe 5 4 2->11         started        process3 file4 19 C:\Users\user\AppData\...\client.bin.exe.log, CSV 7->19 dropped 29 Writes to foreign memory regions 7->29 31 Allocates memory in foreign processes 7->31 33 Injects a PE file into a foreign processes 7->33 13 cvtres.exe 4 7->13         started        15 explorer.exe 7->15         started        signatures5 process6 process7 17 conhost.exe 13->17         started       
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-03-07 23:58:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:arrowrat family:asyncrat botnet:%group% persistence rat
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Enumerates connected drives
Modifies Installed Components in the registry
Async RAT payload
ArrowRat
AsyncRat
Malware Config
C2 Extraction:
%Hosts%:%Ports%
Unpacked files
SH256 hash:
9160b90fa4a6a9cf22f943dba92cec64e2dc03c2317b5d9ab50a753fc410ce43
MD5 hash:
f4fdcb900e7af47100ac9e46945fbd55
SHA1 hash:
c1d235a9a2cae8d5a8d4f6ceb4eab9417e1b1fb2
Detections:
VenomRat
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:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MALWARE_Win_DLAgent10
Author:ditekSHen
Description:Detects known downloader agent
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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

File information


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

Comments