MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91653a741afa8a7622bbcfd1e5ea5f523b04f7f220bd0e91f2853513bdc87c9a. 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 YARA 11 File information Comments 1

SHA256 hash: 91653a741afa8a7622bbcfd1e5ea5f523b04f7f220bd0e91f2853513bdc87c9a
SHA3-384 hash: 9b4ebf82f695c22caff1d8835fd21f2698b74fe8ee37fd083241b4c068d65f7819ce396fd3d416db2176a893f8724353
SHA1 hash: f09c53c92e2cea9eb19f9da7107dd1fa5d07100b
MD5 hash: 25279d1a7bfaf42ca2212e3997dc3fc7
humanhash: oranges-maryland-east-seven
File name:25279d1a7bfaf42ca2212e3997dc3fc7
Download: download sample
Signature AsyncRAT
File size:46'080 bytes
First seen:2022-08-23 12:13:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 768:vuwCfTg46YbWUn8jjmo2qrDKjGKG6PIyzjbFgX3ip6EoXNWJ7KdpTWBDZSx:vuwCfTgp/2OKYDy3bCXSp6DO7Kd94dSx
TLSH T1AB230A003BE8822BF2BE5F7498F26145467AF6A32603D54D1CC451DB5B13FC69A426FE
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 zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
25279d1a7bfaf42ca2212e3997dc3fc7
Verdict:
Malicious activity
Analysis date:
2022-08-23 12:18:49 UTC
Tags:
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat njrat packed rat
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:
92 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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:
2022-08-23 11:52:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:7707
127.0.0.1:8808
Unpacked files
SH256 hash:
91653a741afa8a7622bbcfd1e5ea5f523b04f7f220bd0e91f2853513bdc87c9a
MD5 hash:
25279d1a7bfaf42ca2212e3997dc3fc7
SHA1 hash:
f09c53c92e2cea9eb19f9da7107dd1fa5d07100b
Detections:
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: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.

Web download

AsyncRAT

Executable exe 91653a741afa8a7622bbcfd1e5ea5f523b04f7f220bd0e91f2853513bdc87c9a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-23 12:14:00 UTC

url : hxxp://37.139.129.142/htdocs/rBBCpEYNbaSWXJz.exe