Analysis Overview
SHA256
d8977b1135e6261bc2d80bf5cd5c11dcb6573b071675288444da47462eb8f799
Threat Level: Known bad
The file config.exe was found to be: Known bad.
Malicious Activity Summary
SilverRat
Silverrat family
Sets file to hidden
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Views/modifies file attributes
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-20 23:05
Signatures
Silverrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-20 23:05
Reported
2025-02-20 23:08
Platform
win10v2004-20250217-en
Max time kernel
142s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\config.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\discord\$77discord.exe.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\discord\$77discord.exe.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\\discord\\$77discord.exe.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 |
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\discord\$77discord.exe.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\discord\$77discord.exe.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\discord"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\discord\$77discord.exe.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEE29.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\discord\$77discord.exe.exe
"C:\Users\Admin\discord\$77discord.exe.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 "discord.exe_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| 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 |
Files
memory/1224-0-0x00007FFE28CD3000-0x00007FFE28CD5000-memory.dmp
memory/1224-1-0x00000000005A0000-0x00000000005AE000-memory.dmp
memory/1224-2-0x00007FFE28CD0000-0x00007FFE29791000-memory.dmp
memory/1224-3-0x00007FFE28CD3000-0x00007FFE28CD5000-memory.dmp
memory/1224-4-0x00007FFE28CD0000-0x00007FFE29791000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpEE29.tmp.bat
| MD5 | 52528fcc798b6efa8787bd86e8b269a4 |
| SHA1 | 62cdf2ce3f5928ef35f201b55859b5e473202096 |
| SHA256 | 797b8190201e752ad7238950d3d04416076dbaece023951ec1fcf8d7844cde11 |
| SHA512 | 44c0526b483b498881a10b64acbfb63d6df4557bfd8792996e16901e20572cf495d018e3c7c33329a0535b2e55c2d696eb78562726b49f49af2366d37663ba98 |
memory/1224-10-0x00007FFE28CD0000-0x00007FFE29791000-memory.dmp
C:\Users\Admin\discord\$77discord.exe.exe
| MD5 | f04fdc29810e2b16364d85fdd50aa425 |
| SHA1 | eb097566fec9bd89079240fba838c4f64bbcc757 |
| SHA256 | d8977b1135e6261bc2d80bf5cd5c11dcb6573b071675288444da47462eb8f799 |
| SHA512 | 296de0e37e184e0d77df2d868d1dba7725013244f12e437b1d75d3427ea128ab0c5b300ef416006692ec9642f3fde9084d46744890fd595f64b8fba0c43c4b8b |
memory/2096-14-0x00007FFE28CD0000-0x00007FFE29791000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iwyrjjdn.qwx.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/5072-24-0x0000022C00000000-0x0000022C00022000-memory.dmp
memory/2096-27-0x00007FFE28CD0000-0x00007FFE29791000-memory.dmp
memory/2096-28-0x000000001F1F0000-0x000000001F200000-memory.dmp