MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0430f99dbe7274af48f2761c6246b89c59a6ccb139b271fa1c02cecf7b8d5bb. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: f0430f99dbe7274af48f2761c6246b89c59a6ccb139b271fa1c02cecf7b8d5bb
SHA3-384 hash: 206aa289f61359e711908d243b0bb9255c662a77387fc918c827282d46c58c778db1a472d0a8f904005a8a812c0ea84b
SHA1 hash: d725448c788033c5fe1f16f22b22f0466f154dd1
MD5 hash: 8a4aa99015bb56de6b952c8440e9d3ed
humanhash: lactose-eleven-fix-magnesium
File name:bG4j.exe
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2022-11-01 20:07:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:p96mxUTILWCaS+DiMtelDSN+iV08YbygeTu89XvEgK/JnZVc6KN:p96AKWMtKDs4zb1989XnkJnZVclN
Threatray 3'142 similar samples on MalwareBazaar
TLSH T188235C4037D88136F2BD47B9ADF2A6418675E2572D03CA9D6CC814EA2F13BC596036FE
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 pmelson
Tags:AsyncRAT DCRat exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
420
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
bG4j.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 20:09:15 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
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a file
Running batch commands
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy.exe evasive hacktool mpcmdrun.exe msconfig.exe njrat packed rat regedit.exe
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:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
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
Uses dynamic DNS services
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-11-01 20:08:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 39 (84.62%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Async RAT payload
AsyncRat
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f0430f99dbe7274af48f2761c6246b89c59a6ccb139b271fa1c02cecf7b8d5bb
MD5 hash:
8a4aa99015bb56de6b952c8440e9d3ed
SHA1 hash:
d725448c788033c5fe1f16f22b22f0466f154dd1
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
Rule name:Windows_Trojan_DCRat_1aeea1ac
Author:Elastic Security

File information


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

Web download

AsyncRAT

Executable exe f0430f99dbe7274af48f2761c6246b89c59a6ccb139b271fa1c02cecf7b8d5bb

(this sample)

Comments