Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
149s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23/02/2025, 15:26
Behavioral task
behavioral1
Sample
SilverClient.exe
Resource
win7-20241010-en
General
-
Target
SilverClient.exe
-
Size
37KB
-
MD5
c941b32682143d875f7a6c99f05ed874
-
SHA1
ffea229bed22f0e5f5923d3371ac55118fa61929
-
SHA256
df9fc08c25a7e1e6578a2a3a89d6c40210164f8090733a7b42c7b013b156eeef
-
SHA512
c978a69e3deab9bdb47673469ba7fef1815b9b5d83536b43b11d71c7339af875e39cae08a32ca8e4018fd65280f4885c0da6ac583117301bb3568f1f56df5ef5
-
SSDEEP
768:q2XaK0HNyns/iMcJiAKZRU59VO5z1QB6SBOoo41IU:qHZyJxgG59Ad1QoIOoo41IU
Malware Config
Extracted
silverrat
1.0.0.0
paul-nw.gl.at.ply.gg:51413
lAxDBRhAFu
-
certificate
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
-
decrypted_key
-|S.S.S|-
-
key
yy6zDjAUmbB09pKvo5Hhug==
-
key_x509
b0FGeVZNcFRMWVloVHR6Z0VESU5RdlpZUmxZbUFE
-
reconnect_delay
4
-
server_signature
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
Signatures
-
Silverrat family
-
Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
pid Process 644 powershell.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList SilverClient.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts SilverClient.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2856 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2604 SilverClient.exe 644 powershell.exe 2604 SilverClient.exe 2604 SilverClient.exe 2604 SilverClient.exe 2604 SilverClient.exe 2604 SilverClient.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2640 explorer.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 2604 SilverClient.exe Token: SeDebugPrivilege 644 powershell.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: 33 2160 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2160 AUDIODG.EXE Token: 33 2160 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2160 AUDIODG.EXE Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 1100 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe Token: SeShutdownPrivilege 2640 explorer.exe -
Suspicious use of FindShellTrayWindow 60 IoCs
pid Process 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe -
Suspicious use of SendNotifyMessage 42 IoCs
pid Process 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 1100 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe 2640 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2604 SilverClient.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2604 wrote to memory of 644 2604 SilverClient.exe 29 PID 2604 wrote to memory of 644 2604 SilverClient.exe 29 PID 2604 wrote to memory of 644 2604 SilverClient.exe 29 PID 2604 wrote to memory of 2856 2604 SilverClient.exe 31 PID 2604 wrote to memory of 2856 2604 SilverClient.exe 31 PID 2604 wrote to memory of 2856 2604 SilverClient.exe 31 PID 2604 wrote to memory of 1100 2604 SilverClient.exe 34 PID 2604 wrote to memory of 1100 2604 SilverClient.exe 34 PID 2604 wrote to memory of 1100 2604 SilverClient.exe 34 PID 1100 wrote to memory of 984 1100 explorer.exe 35 PID 1100 wrote to memory of 984 1100 explorer.exe 35 PID 1100 wrote to memory of 984 1100 explorer.exe 35 PID 2604 wrote to memory of 2640 2604 SilverClient.exe 39 PID 2604 wrote to memory of 2640 2604 SilverClient.exe 39 PID 2604 wrote to memory of 2640 2604 SilverClient.exe 39 PID 2640 wrote to memory of 1724 2640 explorer.exe 40 PID 2640 wrote to memory of 1724 2640 explorer.exe 40 PID 2640 wrote to memory of 1724 2640 explorer.exe 40 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\SilverClient.exe"C:\Users\Admin\AppData\Local\Temp\SilverClient.exe"1⤵
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:644
-
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc daily /tn "_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:002⤵
- Scheduled Task/Job: Scheduled Task
PID:2856
-
-
C:\Windows\explorer.exe"C:\Windows\explorer.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:984
-
-
-
C:\Windows\explorer.exe"C:\Windows\explorer.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:1724
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x47c1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2160
-
C:\Windows\explorer.exeexplorer.exe1⤵PID:1112
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
-
Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b