Analysis
-
max time kernel
17s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/03/2025, 09:37
Static task
static1
Behavioral task
behavioral1
Sample
ProtonVPN_v3.5.3_x64.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ProtonVPN_v3.5.3_x64.exe
Resource
win10v2004-20250314-en
Errors
General
-
Target
ProtonVPN_v3.5.3_x64.exe
-
Size
81.4MB
-
MD5
9e246caf655fef65deaa2ccb9886fddb
-
SHA1
e8186d24c2e0011453e0495a69aebfd56635240e
-
SHA256
bbc5d2cf7422ee184beaaac9aa920b0cf9a1310cfd703fd0f9b1b63701672df8
-
SHA512
f1c6e86c681329feda4db846125356ed29c85a97c65db2e4f66411763b13e844bb947b77c2e7e904f1cb5ae12868d4a133e8573557f477fd147952a942a259e2
-
SSDEEP
1572864:pVuySnEkGve5KGOIBvwOiHmg4qy5A47s5ECkAz0Ii/VjSuHk26ndjpj69FoFYlwu:WySJme5OswOdn3cw7jjHD9FmYh
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2788 ProtonVPN_v3.5.3_x64.tmp -
Loads dropped DLL 2 IoCs
pid Process 2716 ProtonVPN_v3.5.3_x64.exe 2788 ProtonVPN_v3.5.3_x64.tmp -
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 ProtonVPN_v3.5.3_x64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ProtonVPN_v3.5.3_x64.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5A2CE101-0BB8-11F0-ABFC-465533733A50} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2828 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2828 iexplore.exe 2828 iexplore.exe 2800 IEXPLORE.EXE 2800 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2716 wrote to memory of 2788 2716 ProtonVPN_v3.5.3_x64.exe 30 PID 2788 wrote to memory of 2828 2788 ProtonVPN_v3.5.3_x64.tmp 31 PID 2788 wrote to memory of 2828 2788 ProtonVPN_v3.5.3_x64.tmp 31 PID 2788 wrote to memory of 2828 2788 ProtonVPN_v3.5.3_x64.tmp 31 PID 2788 wrote to memory of 2828 2788 ProtonVPN_v3.5.3_x64.tmp 31 PID 2828 wrote to memory of 2800 2828 iexplore.exe 32 PID 2828 wrote to memory of 2800 2828 iexplore.exe 32 PID 2828 wrote to memory of 2800 2828 iexplore.exe 32 PID 2828 wrote to memory of 2800 2828 iexplore.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\ProtonVPN_v3.5.3_x64.exe"C:\Users\Admin\AppData\Local\Temp\ProtonVPN_v3.5.3_x64.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Users\Admin\AppData\Local\Temp\is-LV48J.tmp\ProtonVPN_v3.5.3_x64.tmp"C:\Users\Admin\AppData\Local\Temp\is-LV48J.tmp\ProtonVPN_v3.5.3_x64.tmp" /SL5="$40144,84282447,1033216,C:\Users\Admin\AppData\Local\Temp\ProtonVPN_v3.5.3_x64.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://protonvpn.com/free-vpn/windows/windows73⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2828 CREDAT:275457 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2800
-
-
-
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:2880
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2188
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.2MB
MD555ed3791796c4f7327512ee86c81c7dd
SHA1e7db6ef37d39f25f11e151c1b6ea3a04e357ceed
SHA256e1996e77be19119d7cd880c105e619aa6091d9c87dd74c52306907d97f71792a
SHA51221a2dfa8852ea03c831e979ffce6cc80b512f7e60ad46b9c0333333f048a4cb747652f826b7a41d317d59e17699d5fd1ca95921f1bf3bf60d017712467202ca1
-
Filesize
567KB
MD56802d1ae0b114a8dc2827de0e6313f98
SHA15045354425d39ed7b7fb5e4153a86648bd14c4c8
SHA256ff6ada11e1af2cf0516089a99b0b9ca01aa5b850e0b02c6ab6d5ae3b3e03531c
SHA512d5d8870323239d8b5459d11a8d7036a001188a11472649006a4d57ee6b632b2b89be9a5c53f0429a6b42da8b4bfa2f14a10013c6fb2e79e802c90a0641f9a1ab