MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a. 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 3 File information Comments

SHA256 hash:	4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a
SHA3-384 hash:	5d0303f259178c94faa0bc2ed4ea2367a06a451706ccabeed25bcb1782ab268869dbfb1efe2286ca4dd5959f364cec80
SHA1 hash:	a8fb0f14d58417389a910520d8d6fc102d05cda7
MD5 hash:	275d16ebd070c8ad1c4e3717bafe1e76
humanhash:	michigan-romeo-high-venus
File name:	hr.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	92'160 bytes
First seen:	2024-06-16 10:42:27 UTC
Last seen:	2024-06-16 11:26:50 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	20c7719b355e925afe649d91633cbbd6 (1 x AsyncRAT)
ssdeep	1536:lxqVDK4tNAmRw8jZytCoBHnw9mzURxGR3sYD7KJD7bAabwp+ESck/dwsWX3NcdWS:lxdmGkmBHn6tRxY7KJDPb8+ENkW3cWTW
TLSH	T194937D1276C1C472F576193158B0D9A18E7EF9211F60ADAB3398067E4F342C19A36EFB
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	mautshim
Tags:	AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

462

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a.exe

Verdict:

Malicious activity

Analysis date:

2024-06-16 10:45:14 UTC

Tags:

rat asyncrat remote

Link:

https://app.any.run/tasks/d497cbdc-1b36-464d-820e-7d0d4491e5e8

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.Dh-A.8704.14894.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666ec34789a0563951f79407win7simulatehigh_evasion

Tags:

Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sending an HTTP GET request

Launching a process

Сreating synchronization primitives

Sending a custom TCP request

Using the Windows Management Instrumentation requests

DNS request

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc microsoft_visual_cc

Link:

https://www.filescan.io/uploads/666ec1b66b8dba248b41a597/reports/adddf7f0-bf86-4bb9-b1aa-6bdceffbfcaf/overview

Verdict:

Malicious

Labled as:

Trojan.ExplorerHijack.Generic

Link:

https://www.hybrid-analysis.com/sample/4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a

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.

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f79f6180-3b7f-4800-bc03-e7931a5cd94d

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1457987

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Connects to many ports of the same IP (likely port scanning)

Contains functionality to inject code into remote processes

Injects code into the Windows Explorer (explorer.exe)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

System process connects to network (likely due to code injection or exploit)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses known network protocols on non-standard ports

Writes to foreign memory regions

Yara detected AsyncRAT

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a/

Threat name:

Win32.Trojan.ExplorerHijack

Status:

Malicious

First seen:

2024-06-16 10:43:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jngfv3mg4njq7ynii7bwptio2xwakc35n74v2cmdrpvffso7i4fa._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/240616-mr8wdszgkg/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Async RAT payload

AsyncRat

Malware Config

C2 Extraction:

webwhatsapp.cc:65503

Unpacked files

SH256 hash:

4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a

MD5 hash:

275d16ebd070c8ad1c4e3717bafe1e76

SHA1 hash:

a8fb0f14d58417389a910520d8d6fc102d05cda7

Link:

https://www.unpac.me/results/fe4269c9-0d02-4f15-b31f-1469ef990cd9/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4b4c5aed86e3/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::VirtualAllocEx KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

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