MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8681fc7435d7db523331cac5642f9b3d20be50d6df83c8c81349b85456f3d0e. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments 1

SHA256 hash: b8681fc7435d7db523331cac5642f9b3d20be50d6df83c8c81349b85456f3d0e
SHA3-384 hash: fcb452a65a6ebd753fbb3e1bc7c85450fa2f5fe0c6d5e8b4b90a7422adf0756ae7e68fbdd5db266900c8ee7099e28433
SHA1 hash: c7db1f9758949dda64966c012b402931e714f37d
MD5 hash: 87e6cc926615d11efe665197c80ff6b0
humanhash: thirteen-zebra-berlin-potato
File name:87e6cc926615d11efe665197c80ff6b0
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2022-08-22 12:40:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:dOEuILWCKi+DiBtelDSN+iV08YbygembJndmZGvpuvEgK/J9lZVc6KN:dOtmBtKDs4zb1xbJ8ZYInkJ3ZVclN
Threatray 2'764 similar samples on MalwareBazaar
TLSH T1AA235C4037D88136E2BD4BB4ADF2E641867AE2676903C65D6CC814EA1F13FC596036FE
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 :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
87e6cc926615d11efe665197c80ff6b0
Verdict:
Malicious activity
Analysis date:
2022-08-22 12:43:37 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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat coinminer configsecuritypolicy.exe dcrat evasive fareit hacktool mpcmdrun.exe msconfig.exe njrat packed rat regedit.exe windows
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, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-22 12:41:07 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
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:8080
Unpacked files
SH256 hash:
b8681fc7435d7db523331cac5642f9b3d20be50d6df83c8c81349b85456f3d0e
MD5 hash:
87e6cc926615d11efe665197c80ff6b0
SHA1 hash:
c7db1f9758949dda64966c012b402931e714f37d
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_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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

File information


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

Web download

AsyncRAT

Executable exe b8681fc7435d7db523331cac5642f9b3d20be50d6df83c8c81349b85456f3d0e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-22 12:40:48 UTC

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