Overview
overview
10Static
static
7QZK RAT Fr...er.dll
windows10-2004-x64
1QZK RAT Fr...ll.xml
windows10-2004-x64
1QZK RAT Fr...er.dll
windows10-2004-x64
1QZK RAT Fr...es.dll
windows10-2004-x64
1QZK RAT Fr...ng.dll
windows10-2004-x64
1QZK RAT Fr...us.dll
windows10-2004-x64
1QZK RAT Fr...ox.dll
windows10-2004-x64
1QZK RAT Fr...er.bat
windows10-2004-x64
1QZK RAT Fr...rp.dll
windows10-2004-x64
1QZK RAT Fr...re.dll
windows10-2004-x64
1QZK RAT Fr...ms.dll
windows10-2004-x64
1QZK RAT Fr...UI.dll
windows10-2004-x64
1QZK RAT Fr...I2.dll
windows10-2004-x64
1QZK RAT Fr...ry.dll
windows10-2004-x64
1QZK RAT Fr...ry.dll
windows10-2004-x64
1QZK RAT Fr...VB.dll
windows10-2004-x64
1QZK RAT Fr...or.dll
windows10-2004-x64
1QZK RAT Fr...am.dll
windows10-2004-x64
1QZK RAT Fr...io.dll
windows10-2004-x64
1QZK RAT Fr...ip.dll
windows10-2004-x64
10QZK RAT Fr...ws.dll
windows10-2004-x64
5QZK RAT Fr...ne.dll
windows10-2004-x64
1QZK RAT Fr...AC.dll
windows10-2004-x64
1QZK RAT Fr...en.dll
windows10-2004-x64
1QZK RAT Fr...ks.dll
windows10-2004-x64
1QZK RAT Fr...at.dll
windows10-2004-x64
1QZK RAT Fr...um.dll
windows10-2004-x64
1QZK RAT Fr...AT.exe
windows10-2004-x64
7QZK RAT Fr...rs.dll
windows10-2004-x64
1QZK RAT Fr...fe.dll
windows10-2004-x64
1QZK RAT Fr...ib.dll
windows10-2004-x64
1Analysis
-
max time kernel
156s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16-04-2023 14:14
Behavioral task
behavioral1
Sample
QZK RAT Free/Bug Fixer.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral2
Sample
QZK RAT Free/Bug Fixer.dll.xml
Resource
win10v2004-20230221-en
Behavioral task
behavioral3
Sample
QZK RAT Free/ConversionWrapper.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral4
Sample
QZK RAT Free/EPPlus.Interfaces.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
QZK RAT Free/EPPlus.System.Drawing.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral6
Sample
QZK RAT Free/EPPlus.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
QZK RAT Free/FastColoredTextBox.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral8
Sample
QZK RAT Free/Fixer.bat
Resource
win10v2004-20230220-en
Behavioral task
behavioral9
Sample
QZK RAT Free/FontAwesome.Sharp.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral10
Sample
QZK RAT Free/GMap.NET.Core.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral11
Sample
QZK RAT Free/GMap.NET.WindowsForms.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral12
Sample
QZK RAT Free/Guna.UI.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral13
Sample
QZK RAT Free/Guna.UI2.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral14
Sample
QZK RAT Free/ICSharpCode.NRefactory.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral15
Sample
QZK RAT Free/ICSharpCode.SharpRefactory.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral16
Sample
QZK RAT Free/ICSharpCode.SharpRefactoryVB.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral17
Sample
QZK RAT Free/IconExtractor.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral18
Sample
QZK RAT Free/Microsoft.IO.RecyclableMemoryStream.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral19
Sample
QZK RAT Free/NAudio.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral20
Sample
QZK RAT Free/Plugins/7zip.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral21
Sample
QZK RAT Free/Plugins/ACTWindows.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral22
Sample
QZK RAT Free/Plugins/All-In-One.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral23
Sample
QZK RAT Free/Plugins/AskUAC.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral24
Sample
QZK RAT Free/Plugins/BlankScreen.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral25
Sample
QZK RAT Free/Plugins/Bookmarks.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral26
Sample
QZK RAT Free/Plugins/Chat.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral27
Sample
QZK RAT Free/Plugins/Chromium.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral28
Sample
QZK RAT Free/QZK RAT.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral29
Sample
QZK RAT Free/System.Numerics.Vectors.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral30
Sample
QZK RAT Free/System.Runtime.CompilerServices.Unsafe.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral31
Sample
QZK RAT Free/dnlib.dll
Resource
win10v2004-20230220-en
General
-
Target
QZK RAT Free/QZK RAT.exe
-
Size
11.6MB
-
MD5
ffbea3a298fb6de9a6ef389013c9e5f6
-
SHA1
036bd7355eeb62444a1a957c637f589e97a882a3
-
SHA256
c62b713747d6cff351f1088346caeb4799aa5718bbf073c37f58011e9abc99c7
-
SHA512
00e63fd8762e21327813372c10c2d7581fa6a60dbc3c85d078d6a19d63bc20bc7ea6a937823edc97da013f7de0ffb4144db258ac184b334de7eff57fc67d2b78
-
SSDEEP
196608:/ywGVHA2ZsdFSWnMYmvp7djurW1yNd3HUFxDSWSccMiIIiKIRM7ebK4ht3PYuz0R:awwHBZsSWep7JIX3HUFxOZMiIIiKIRMz
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
QZK RAT.exepid process 1604 QZK RAT.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral28/memory/1604-144-0x0000000008150000-0x000000000839C000-memory.dmp agile_net -
Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
Processes:
QZK RAT.exepid process 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
AUDIODG.EXEdescription pid process Token: 33 3332 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3332 AUDIODG.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
QZK RAT.exepid process 1604 QZK RAT.exe 1604 QZK RAT.exe 1604 QZK RAT.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\QZK RAT Free\QZK RAT.exe"C:\Users\Admin\AppData\Local\Temp\QZK RAT Free\QZK RAT.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:1604
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x39c 0x3881⤵
- Suspicious use of AdjustPrivilegeToken
PID:3332
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
136KB
MD59af5eb006bb0bab7f226272d82c896c7
SHA1c2a5bb42a5f08f4dc821be374b700652262308f0
SHA25677dc05a6bda90757f66552ee3f469b09f1e00732b4edca0f542872fb591ed9db
SHA5127badd41be4c1039302fda9bba19d374ec9446ce24b7db33b66bee4ef38180d1abcd666d2aea468e7e452aa1e1565eedfefed582bf1c2fe477a4171d99d48772a
-
Filesize
136KB
MD59af5eb006bb0bab7f226272d82c896c7
SHA1c2a5bb42a5f08f4dc821be374b700652262308f0
SHA25677dc05a6bda90757f66552ee3f469b09f1e00732b4edca0f542872fb591ed9db
SHA5127badd41be4c1039302fda9bba19d374ec9446ce24b7db33b66bee4ef38180d1abcd666d2aea468e7e452aa1e1565eedfefed582bf1c2fe477a4171d99d48772a