MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58. 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: 13

Intelligence 13 IOCs YARA 4 File information Comments 1

SHA256 hash:	4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58
SHA3-384 hash:	80da950a689a8339c482194e9986dd1fdba6a811124387df7363cd524dd1555c4082c23ee9f157f82c970a88227a1316
SHA1 hash:	c8c7f751e35062bdca81e354e62a78382e739048
MD5 hash:	70b96a07a3624e8f408a98d0e7908820
humanhash:	gee-jersey-fruit-timing
File name:	70b96a07a3624e8f408a98d0e7908820
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	4'848'667 bytes
First seen:	2024-05-13 20:47:18 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep	98304:g3GmmBkRb8dtrqlv5J0hW6Gr18urkIdzxYjbbFtjLSKWVSE7q:g3Glsgzulw5GkIdzx2vFVn+L+
TLSH	T1CF26230BE7A809F8C167D638CE1A8A46E7797C4813619ACF1365165B2F273D4EE3E311
TrID	48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):
dhash icon	9494b494d4aeaeac (921 x DCRat, 486 x NirCmd, 172 x RedLineStealer)
Reporter	zbetcheckin
Tags:	64 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

446

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58.exe

Verdict:

Malicious activity

Analysis date:

2024-05-13 20:48:54 UTC

Tags:

rat asyncrat remote stealer redline evasion meta metastealer lefthook

Link:

https://app.any.run/tasks/f5ac8a53-d537-4185-baf9-cead747f7cf5

Note:

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

Detection(s):

Win.Dropper.njRAT-9986242-0

Win.Packed.Bladabindi-10017056-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Searching for the window

Сreating synchronization primitives

Searching for synchronization primitives

Creating a file in the %temp% directory

Creating a process from a recently created file

Searching for analyzing tools

Creating a file in the %AppData% subdirectories

Using the Windows Management Instrumentation requests

Running batch commands

Creating a process with a hidden window

Launching a process

Setting a global event handler for the keyboard

Connection attempt to an infection source

Sending a TCP request to an infection source

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm anti-vm fingerprint installer lolbin overlay packed packed risepro setupapi sfx shdocvw shell32

Link:

https://www.filescan.io/uploads/66427c831c9796b80abe2596/reports/93a00083-d585-453e-b724-ab645553d2d8/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2dd819e8-95fc-439e-855c-25b4cb64eab9

Result

Threat name:

AsyncRAT, RedLine, VenomRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1440853

Signature

Antivirus detection for dropped file

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Hides threads from debuggers

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Query firmware table information (likely to detect VMs)

Sigma detected: Suspicious Script Execution From Temp Folder

Snort IDS alert for network traffic

Suspicious powershell command line found

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

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

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Uses known network protocols on non-standard ports

Yara detected AsyncRAT

Yara detected RedLine Stealer

Yara detected VenomRAT

Behaviour

Behavior Graph:

Download SVG

Score:

75%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-05-13 20:48:06 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

15 of 22 (68.18%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jsnshx6rbfg6yrkig7ynajrznts5n4kcsb4awmsyu4wxsejjfnma._file

Verdict:

malicious

Result

Malware family:

sectoprat

Score:

10/10

Tags:

family:asyncrat family:redline family:sectoprat botnet:default discovery evasion execution infostealer rat spyware stealer themida trojan

Link:

https://tria.ge/reports/240513-zlerksdb9w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Command and Scripting Interpreter: PowerShell

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks whether UAC is enabled

Checks BIOS information in registry

Checks computer location settings

Executes dropped EXE

Reads user/profile data of web browsers

Themida packer

Identifies VirtualBox via ACPI registry values (likely anti-VM)

AsyncRat

RedLine

SectopRAT

SectopRAT payload

Malware Config

C2 Extraction:

5.42.96.86:4449

Unpacked files

SH256 hash:

4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58

MD5 hash:

70b96a07a3624e8f408a98d0e7908820

SHA1 hash:

c8c7f751e35062bdca81e354e62a78382e739048

Link:

https://www.unpac.me/results/2a9ba2e6-026d-445e-9cbf-553bb95edf0d/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4c9b23dfd109/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58

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

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SelfExtractingRAR Create hunting rule
Author:	Xavier Mertens
Description:	Detects an SFX archive with automatic script execution

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

File information

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

Web download

AsyncRAT

exe 4c9b23dfd1094dec454837f0d026396ce5d6f14290780b3258a72d7911292b58

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2849129/

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 (FORCE_INTEGRITY)	high

Reviews

ID	Capabilities	Evidence
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipAlloc
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::AttachConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW

Comments

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zbet commented on 2024-05-13 20:47:19 UTC

url : hxxp://a0982904.xsph.ru/lox.exe