AsyncRAT Análise Estática Profunda (06798ab0) | Critical Tehdit

Derin Statik Analiz — AsyncRAT | Tehdit: critical

Arquivo Kimligi

SHA256	`06798ab00b4cb050918236f0ac5c3a30252dadfe6c8e7563e276966e7727c055`
MD5	`b950d4671c9c3a723aff0bf8b27e563f`
SHA1	`dc9d8c742c301901e832f34781f9eb0ccd5204a8`
Tamanho	786432 byte
Tur	/opt/ksentinel/samples/06798ab00b4cb050_COTIZACION.com.exe: PE32 executable (GUI
Derleme	Desconhecido
Packer	UPX

C2 Adresi: Sifrelenmis/obfuskeli config (statik analizle cozulemedi)

Yetenekler

TCP Socket C2

Gelistirici Ipuclari

PDB Yolu: bash: -c: line 1: syntax error near unexpected token `|' bash: -c: line 1: `grep -oiE '[A-Za-z]:\\Users\\[^\\]{2,30}\\[^

Telegram: @8KHK @cTSJt @DxR4Lmz @iJry @lZWP

PE Analizi

Guvenlik Taramasi

file entropy:                    7.822304 (probably packed)
fpu anti-disassembly:            no
imagebase:                       normal
entrypoint:                      normal
DOS stub:

Import Tablosu

Imported functions
    Library
        Name:                            mscoree.dll
        Functions
            Function
                Hint:                            0
                Name:                            _CorExeMain

Binwalk / Packer

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
0             0x0             Microsoft executable, portable (PE)
56862

Família Tespiti

String kaniti bulunamadi (sifrelenmis/obfuskeli).

AsyncRAT — Perfil do malware

AsyncRAT, 2019'da acik kaynak olarak yayimlanan C# tabanli RAT ailesidir. Ekran yakalama, keylogger, dosya islemleri, HVNC ve plugin sistemine sahiptir. C2 AES-128-CBC ile sifrelenir, TCP uzerinden calisir. JS/PDF yemi ile dagitilir.

Tipo de malware

RAT

Linguagem de programação

.NET C#

Protocolo C2

TCP/SSL

Sistemas-alvo

Windows

Também conhecido como (AKA)

AsyncClient

Detalhes técnicos

C# .NET, AES-128-CBC sifreleme, TCP port 6606/4449 (varsayilan), Mutex kontrol, Runtime assembly loading, Anti-analysis (VM check, Process listesi), HVNC, Keylogger, Stealer, Botnet modulu

Atribuição / Ator da ameaça

Acik kaynak - orjinal gelistirici GitHub'da yayinladi; surekli siber suclu toplulugu tarafindan kullanilmaktadir. APT operasyonlari da dahil olmak uzere cok sayida farkli tehdit aktoru kullanmaktadir.

Capacidades e comportamento

Uzaktan Erişim & Kontrol

Keylogger

Ekran Görüntüsü

Webcam Erişimi

Dosya Yönetimi

Süreç Yönetimi

Komut Yürütme

Kalıcılık Mekanizması

Lista IOC (5 indicadores)

IOC — AsyncRAT

# 
dc9d8c742c301901e832f34781f9eb0ccd5204a8

# SHA256
06798ab00b4cb050918236f0ac5c3a30252dadfe6c8e7563e276966e7727c055

# MD5
b950d4671c9c3a723aff0bf8b27e563f

# FILEPATH
bash: -c: line 1: syntax error near unexpected token `|'

# FILEPATH
bash: -c: line 1: `grep -oiE '[A-Za-z]:\\[^\s\"'\'<>|*?]{5,150}' /tmp/all.txt | grep -viE '(msbuild|nuget|packages|Microsoft\.NET)' | sort -u | head -10'

Tipo	Valor	Nota
	dc9d8c742c301901e832f34781f9eb0ccd5204a8
sha256	06798ab00b4cb050918236f0ac5c3a30252dadfe6c8e7563e276966e7727c055
md5	b950d4671c9c3a723aff0bf8b27e563f
filepath	bash: -c: line 1: syntax error near unexpected token `\|'
filepath	bash: -c: line 1: `grep -oiE '[A-Za-z]:\\[^\s\"'\'<>\|*?]{5,150}' /tmp/all.txt \| grep -viE '(msbuild\|nuget\|packages\|Microsoft\.NET)' \| sort -u \| head -10'

AsyncRAT — Ver perfil completo →

Servidores C2 (8 servidores registrados para esta família)

Endereço	Tipo	Porta	Protocolo	Status	País
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—
microsoft.com	domain	—	TCP	active	—

Os endereços C2 são fornecidos apenas a partir de amostras de malware verificadas manualmente pela equipe KEYDAL. O uso comercial é proibido.