Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Overview
overview
10Static
static
10rat/Silver...0).exe
windows7-x64
10rat/Silver...0).exe
windows10-2004-x64
10rat/Silver...1).exe
windows7-x64
10rat/Silver...1).exe
windows10-2004-x64
10rat/Silver...2).exe
windows7-x64
10rat/Silver...2).exe
windows10-2004-x64
10rat/Silver...3).exe
windows7-x64
10rat/Silver...3).exe
windows10-2004-x64
10rat/Silver...4).exe
windows7-x64
10rat/Silver...4).exe
windows10-2004-x64
10rat/Silver...5).exe
windows7-x64
10rat/Silver...5).exe
windows10-2004-x64
10rat/Silver...6).exe
windows7-x64
10rat/Silver...6).exe
windows10-2004-x64
10rat/Silver...7).exe
windows7-x64
10rat/Silver...7).exe
windows10-2004-x64
10rat/Silver...2).exe
windows7-x64
10rat/Silver...2).exe
windows10-2004-x64
10rat/Silver...3).exe
windows7-x64
10rat/Silver...3).exe
windows10-2004-x64
10rat/Silver...4).exe
windows7-x64
10rat/Silver...4).exe
windows10-2004-x64
10rat/Silver...5).exe
windows7-x64
10rat/Silver...5).exe
windows10-2004-x64
rat/Silver...6).exe
windows7-x64
10rat/Silver...6).exe
windows10-2004-x64
10rat/Silver...7).exe
windows7-x64
10rat/Silver...7).exe
windows10-2004-x64
10rat/Silver...8).exe
windows7-x64
10rat/Silver...8).exe
windows10-2004-x64
10rat/Silver...9).exe
windows7-x64
10rat/Silver...9).exe
windows10-2004-x64
10Analysis
-
max time kernel
137s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2025, 18:38
Behavioral task
behavioral1
Sample
rat/SilverClient - Copy (10).exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
rat/SilverClient - Copy (10).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
rat/SilverClient - Copy (11).exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
rat/SilverClient - Copy (11).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
rat/SilverClient - Copy (12).exe
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
rat/SilverClient - Copy (12).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral7
Sample
rat/SilverClient - Copy (13).exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
rat/SilverClient - Copy (13).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral9
Sample
rat/SilverClient - Copy (14).exe
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
rat/SilverClient - Copy (14).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral11
Sample
rat/SilverClient - Copy (15).exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
rat/SilverClient - Copy (15).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral13
Sample
rat/SilverClient - Copy (16).exe
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
rat/SilverClient - Copy (16).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral15
Sample
rat/SilverClient - Copy (17).exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
rat/SilverClient - Copy (17).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral17
Sample
rat/SilverClient - Copy (2).exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
rat/SilverClient - Copy (2).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral19
Sample
rat/SilverClient - Copy (3).exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
rat/SilverClient - Copy (3).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral21
Sample
rat/SilverClient - Copy (4).exe
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
rat/SilverClient - Copy (4).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral23
Sample
rat/SilverClient - Copy (5).exe
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
rat/SilverClient - Copy (5).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral25
Sample
rat/SilverClient - Copy (6).exe
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
rat/SilverClient - Copy (6).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral27
Sample
rat/SilverClient - Copy (7).exe
Resource
win7-20241023-en
Behavioral task
behavioral28
Sample
rat/SilverClient - Copy (7).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral29
Sample
rat/SilverClient - Copy (8).exe
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
rat/SilverClient - Copy (8).exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral31
Sample
rat/SilverClient - Copy (9).exe
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
rat/SilverClient - Copy (9).exe
Resource
win10v2004-20250217-en
General
-
Target
rat/SilverClient - Copy (2).exe
-
Size
43KB
-
MD5
44a5ff2feda2634ae7d9fadc97ebd0a0
-
SHA1
9a763aefd806585e11a36203e575ae142f38bc6c
-
SHA256
5dde6801897a7d76c16e64c0b36a3280fbf5371642a690b85ddd31538c4458d8
-
SHA512
cebc24998c33d7fe8bcdba5183d60c36b3ccaac247d0ee206a73485236453c109dc269522df01d85f58efd3d7a28358221f2139f11356f95f9b8283475f576ca
-
SSDEEP
768:GdmcASe38zJ/Ol6IoZmtPHJm7+avCJ8eEPNRULQD9PUGa7AB6Sh/lE:GdmcASeuOtvhmeZKNGsD9pYAoS/lE
Malware Config
Extracted
silverrat
1.0.0.0
if-eventually.gl.at.ply.gg:17094
Mutex_DthEiIseBZ
-
certificate
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
-
decrypted_key
-|S.S.S|-
-
key
yy6zDjAUmbB09pKvo5Hhug==
-
key_x509
eGlwZU1BZVJwdkFBdllxYmdRQUJ2eWtsbVVURFhE
-
reconnect_delay
0
-
server_signature
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
Signatures
-
Silverrat family
-
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4500 attrib.exe 4376 attrib.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation SilverClient - Copy (2).exe Key value queried \REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation $77Runtime Broker.exe -
Executes dropped EXE 1 IoCs
pid Process 3944 $77Runtime Broker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\SysTemp64\\$77Runtime Broker.exe\"" SilverClient - Copy (2).exe -
pid Process 3960 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Delays execution with timeout.exe 1 IoCs
pid Process 2004 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1564 schtasks.exe 1648 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 1244 SilverClient - Copy (2).exe 3944 $77Runtime Broker.exe 3944 $77Runtime Broker.exe 3960 powershell.exe 3960 powershell.exe 3960 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeBackupPrivilege 2908 vssvc.exe Token: SeRestorePrivilege 2908 vssvc.exe Token: SeAuditPrivilege 2908 vssvc.exe Token: SeDebugPrivilege 1244 SilverClient - Copy (2).exe Token: SeDebugPrivilege 3944 $77Runtime Broker.exe Token: SeDebugPrivilege 3960 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3944 $77Runtime Broker.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1244 wrote to memory of 4376 1244 SilverClient - Copy (2).exe 92 PID 1244 wrote to memory of 4376 1244 SilverClient - Copy (2).exe 92 PID 1244 wrote to memory of 4500 1244 SilverClient - Copy (2).exe 94 PID 1244 wrote to memory of 4500 1244 SilverClient - Copy (2).exe 94 PID 1244 wrote to memory of 2224 1244 SilverClient - Copy (2).exe 102 PID 1244 wrote to memory of 2224 1244 SilverClient - Copy (2).exe 102 PID 2224 wrote to memory of 2004 2224 cmd.exe 104 PID 2224 wrote to memory of 2004 2224 cmd.exe 104 PID 2224 wrote to memory of 3944 2224 cmd.exe 105 PID 2224 wrote to memory of 3944 2224 cmd.exe 105 PID 3944 wrote to memory of 760 3944 $77Runtime Broker.exe 107 PID 3944 wrote to memory of 760 3944 $77Runtime Broker.exe 107 PID 3944 wrote to memory of 1564 3944 $77Runtime Broker.exe 109 PID 3944 wrote to memory of 1564 3944 $77Runtime Broker.exe 109 PID 3944 wrote to memory of 4388 3944 $77Runtime Broker.exe 111 PID 3944 wrote to memory of 4388 3944 $77Runtime Broker.exe 111 PID 3944 wrote to memory of 3960 3944 $77Runtime Broker.exe 113 PID 3944 wrote to memory of 3960 3944 $77Runtime Broker.exe 113 PID 3944 wrote to memory of 1648 3944 $77Runtime Broker.exe 114 PID 3944 wrote to memory of 1648 3944 $77Runtime Broker.exe 114 -
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.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
-
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 4376 attrib.exe 4500 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\rat\SilverClient - Copy (2).exe"C:\Users\Admin\AppData\Local\Temp\rat\SilverClient - Copy (2).exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\System32\attrib.exe"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SysTemp64"2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4376
-
-
C:\Windows\System32\attrib.exe"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SysTemp64\$77Runtime Broker.exe"2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4500
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5CB1.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2004
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SysTemp64\$77Runtime Broker.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SysTemp64\$77Runtime Broker.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /query /TN $77Runtime Broker.exe4⤵PID:760
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /Create /SC ONCE /TN "$77Runtime Broker.exe" /TR "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SysTemp64\$77Runtime Broker.exe \"\$77Runtime Broker.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST4⤵
- Scheduled Task/Job: Scheduled Task
PID:1564
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /query /TN $77Runtime Broker.exe4⤵PID:4388
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3960
-
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc hourly /mo 1 /tn "Runtime Broker_Task-HOURLY-01" /tr "%MyFile%" /st 00:004⤵
- Scheduled Task/Job: Scheduled Task
PID:1648
-
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2908
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
199B
MD5e637fe435dc76d666e06ee79361a2806
SHA19b8aa63e769831a8bc8285cc3b69a4aba767508b
SHA256b0beaa0622ba934223a0b6e7197793db05564c3e7106a5f4f7b921ba4469ad43
SHA5128d999f9c3fd7cf1afbb18f5e64bb6dcaf3a4199b7384b0c15c1ffbc1ca7690ddb5ec946103851d9171b16d1863874e8dfa0cc10aadcbfb44b7cba388de7658bf
-
Filesize
43KB
MD544a5ff2feda2634ae7d9fadc97ebd0a0
SHA19a763aefd806585e11a36203e575ae142f38bc6c
SHA2565dde6801897a7d76c16e64c0b36a3280fbf5371642a690b85ddd31538c4458d8
SHA512cebc24998c33d7fe8bcdba5183d60c36b3ccaac247d0ee206a73485236453c109dc269522df01d85f58efd3d7a28358221f2139f11356f95f9b8283475f576ca