Analysis
-
max time kernel
141s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/09/2024, 14:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
UD.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
UD.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
UD.exe
-
Size
193KB
-
MD5
e15e6dcfc9503e678b8c00e1372e37d4
-
SHA1
1c579093f27d97afcf5639d770e823d3ff689786
-
SHA256
8a94d159ec94ee40e1a928dd21f27110d25af767a10b5150e50b48036637461d
-
SHA512
44e1119e574566cb9a1c165747db79866001cbaa69b32926c2ee283c66a32d6f11463321cea0ff6192fee71de6a60df7ab8a506c783818a9c62ae23ef7f1b165
-
SSDEEP
6144:gyH7xOc6H5c6HcT66vlmJcGiRkhTcgt2tVyLcFUPhN36YKa:gajbkqY2eLcF2hN36Y5
Score
7/10
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 4896 svchost.exe 3092 UD.exe 3176 svchost.exe -
Drops file in Program Files directory 38 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\dotnet.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe svchost.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe svchost.exe File opened for modification C:\Program Files\7-Zip\7zG.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe svchost.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe svchost.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe svchost.exe File opened for modification C:\Program Files\7-Zip\7z.exe svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe svchost.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe svchost.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe svchost.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe svchost.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe svchost.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\svchost.exe UD.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UD.exe -
Modifies registry class 20 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 UD.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" UD.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff UD.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff UD.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell UD.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ UD.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3092 UD.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2880 wrote to memory of 4896 2880 UD.exe 83 PID 2880 wrote to memory of 4896 2880 UD.exe 83 PID 2880 wrote to memory of 4896 2880 UD.exe 83 PID 4896 wrote to memory of 3092 4896 svchost.exe 84 PID 4896 wrote to memory of 3092 4896 svchost.exe 84 PID 4896 wrote to memory of 3092 4896 svchost.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\UD.exe"C:\Users\Admin\AppData\Local\Temp\UD.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Windows\svchost.exe"C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\UD.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\UD.exe"C:\Users\Admin\AppData\Local\Temp\UD.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3092
-
-
-
C:\Windows\svchost.exeC:\Windows\svchost.exe1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:3176
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
157KB
MD531502fc36fffb750d7bcc60646f772b9
SHA1b65dad8556dce1f1454d1e0b3a45a79d7865282f
SHA25661c8c9313fc94b64aac1d2fc2cdc6abb9a30d02f021bb84e8833ee8b7c27b180
SHA512be9e17e5677540f444868ebb802b27f07173b1c0c904d7a831d61a47ba2c0e3ca4fe6af8a471e462f704532221f9c5934025e40e96e09d5e310fbfb59b5ab49b
-
Filesize
35KB
MD59e3c13b6556d5636b745d3e466d47467
SHA12ac1c19e268c49bc508f83fe3d20f495deb3e538
SHA25620af03add533a6870d524a7c4753b42bfceb56cddd46016c051e23581ba743f8
SHA5125a07ba8a7fcb15f64b129fada2621252b8bc37eb34d4f614c075c064f8ac0d367301eba0c32c5e28b8aa633f6ab604f0dfcc363b34734ce0207ef0d4e8817c4b