MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 181f8be08f5622275ba18f7ad58ed7b9ac8c7b552bf37135ebb8aed59b4074c6. 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 13 File information Comments

SHA256 hash: 181f8be08f5622275ba18f7ad58ed7b9ac8c7b552bf37135ebb8aed59b4074c6
SHA3-384 hash: e01ad63864a5183606f1f49de92b7c8b401dbb73aa70736d3c33641ae2227a84d09627a38ff8bea6ef304522652861e0
SHA1 hash: 62881d55f972b28e9e595cc1f856f525fdf46212
MD5 hash: e5b7f248c7f698103a259ea81e6481d1
humanhash: pizza-edward-montana-failed
File name:Stub.exe
Download: download sample
Signature AsyncRAT
File size:59'904 bytes
First seen:2023-01-18 16:14:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 768:OLrBlOGhV1Xj+IfxXRs4yPbE5He/fD/kq9Iq5LUbXg1UIY7Q8e6og6inDXGHN7Yx:OPrVFns05+zMqCqKbw1t/o6inDXq7Yx
Threatray 3'314 similar samples on MalwareBazaar
TLSH T1BA431B003FE9D425F1BD8EB4ADF2754546F9A1676A02D94E1CD411CB0A22BC6DE03BEB
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter r3dbU7z
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Stub.exe
Verdict:
Malicious activity
Analysis date:
2023-01-18 16:15:33 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat njrat packed rat razy
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-01-18 16:15:07 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
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
xxxprofxxx.dnsdojo.com:5126
Unpacked files
SH256 hash:
181f8be08f5622275ba18f7ad58ed7b9ac8c7b552bf37135ebb8aed59b4074c6
MD5 hash:
e5b7f248c7f698103a259ea81e6481d1
SHA1 hash:
62881d55f972b28e9e595cc1f856f525fdf46212
Detections:
AsyncRAT win_asyncrat_w0
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:AsyncRat_Detection_Dec_2022
Author:Potatech
Description:AsyncRat
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: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

File information


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

Web download

AsyncRAT

Executable exe 181f8be08f5622275ba18f7ad58ed7b9ac8c7b552bf37135ebb8aed59b4074c6

(this sample)

  
Delivery method
Distributed via web download

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