Analysis Overview
SHA256
ede4efe8923397c1a2a876da4b847f78791e76b193ab0f84aa08a91fcc76ccef
Threat Level: Known bad
The file config.exe was found to be: Known bad.
Malicious Activity Summary
Silverrat family
SilverRat
Sets file to hidden
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-24 11:38
Signatures
Silverrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-24 11:38
Reported
2025-02-24 11:41
Platform
win7-20241010-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
SilverRat
Silverrat family
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\cmd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\systemSafemode\\OFXsystemSafemode.exe\"" | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| N/A | N/A | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\config.exe
"C:\Users\Admin\AppData\Local\Temp\config.exe"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\systemSafemode"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe"
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1BCA.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe
"C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe"
C:\Windows\system32\schtasks.exe
"schtasks.exe" /query /TN OFXsystemSafemode.exe
C:\Windows\system32\schtasks.exe
"schtasks.exe" /Create /SC ONCE /TN "OFXsystemSafemode.exe" /TR "C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe \"\OFXsystemSafemode.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST
C:\Windows\system32\schtasks.exe
"schtasks.exe" /query /TN OFXsystemSafemode.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc daily /tn "OFXsystemSafemode_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.3.235:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | AK4-53145.portmap.host | udp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
| DE | 193.161.193.99:53145 | AK4-53145.portmap.host | tcp |
Files
memory/1712-0-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp
memory/1712-1-0x000000013FB60000-0x000000013FB6E000-memory.dmp
memory/1712-2-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp
C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe
| MD5 | eec97c1c972c1a4db59f48fe5f590187 |
| SHA1 | 2e8ad75a10cac16b345f8456c6a0411feea316c5 |
| SHA256 | ede4efe8923397c1a2a876da4b847f78791e76b193ab0f84aa08a91fcc76ccef |
| SHA512 | af5c6b9540fdd224cbd1a62051c187198d7413ee237991cbb18339cabb9c79a4c93c44419128c4748cef55fe78454132f05648b4d414900470801b6e42b671a2 |
memory/1712-4-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp
memory/1712-5-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1BCA.tmp.bat
| MD5 | cb732028d7ac1d3ba5697ffdc211de97 |
| SHA1 | 36f07471c08451fb3cac98e98c3ad47d2c41ec6f |
| SHA256 | 9d0e19b7a14f51f437fc18d1378006cb2352f851476e8f59fdcda969dd2c954d |
| SHA512 | 429c3b9dfc1796c5b6916d04b56eaf18a30f370f7eb1f9dcb1494d591e5b505d63739626c9be8f86056caf8157863ca904fcf1c3a692dfefecdd270271f0038f |
memory/1712-14-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp
memory/2140-17-0x000000013F440000-0x000000013F44E000-memory.dmp
memory/2872-22-0x000000001B5D0000-0x000000001B8B2000-memory.dmp
memory/2872-23-0x0000000001D90000-0x0000000001D98000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-24 11:38
Reported
2025-02-24 11:39
Platform
win10v2004-20250217-en
Max time kernel
23s
Max time network
20s
Command Line
Signatures
SilverRat
Silverrat family
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\systemSafemode\\OFXsystemSafemode.exe\"" | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\config.exe
"C:\Users\Admin\AppData\Local\Temp\config.exe"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\systemSafemode"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe
"C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks.exe" /query /TN OFXsystemSafemode.exe
C:\Windows\SYSTEM32\schtasks.exe
"schtasks.exe" /Create /SC ONCE /TN "OFXsystemSafemode.exe" /TR "C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe \"\OFXsystemSafemode.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST
C:\Windows\SYSTEM32\schtasks.exe
"schtasks.exe" /query /TN OFXsystemSafemode.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc daily /tn "OFXsystemSafemode_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
Files
memory/1344-0-0x00007FF882B43000-0x00007FF882B45000-memory.dmp
memory/1344-1-0x0000000000A80000-0x0000000000A8E000-memory.dmp
memory/1344-2-0x00007FF882B40000-0x00007FF883601000-memory.dmp
C:\Users\Admin\systemSafemode\OFXsystemSafemode.exe
| MD5 | eec97c1c972c1a4db59f48fe5f590187 |
| SHA1 | 2e8ad75a10cac16b345f8456c6a0411feea316c5 |
| SHA256 | ede4efe8923397c1a2a876da4b847f78791e76b193ab0f84aa08a91fcc76ccef |
| SHA512 | af5c6b9540fdd224cbd1a62051c187198d7413ee237991cbb18339cabb9c79a4c93c44419128c4748cef55fe78454132f05648b4d414900470801b6e42b671a2 |
memory/1344-4-0x00007FF882B43000-0x00007FF882B45000-memory.dmp
memory/1344-5-0x00007FF882B40000-0x00007FF883601000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp.bat
| MD5 | 77298aff63be4c620ceed47f7187405b |
| SHA1 | f98f76a747f85a0b23c0c2221283cd1a3f15351e |
| SHA256 | 23f602a311009e911fb45687866e8bfc278606e99dfaa56bd76252b3e1c5bc30 |
| SHA512 | 39c380fcbab57f34897a231900b706e85b24bca7ac20db6888f7851de062f67872ed1b81148eaac7f25d3f89665775630521fb6471750abf33a67636b814b287 |
memory/1344-10-0x00007FF882B40000-0x00007FF883601000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2askohqk.rdx.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/468-21-0x00000209F1CD0000-0x00000209F1CF2000-memory.dmp