silverrat

General

Target

04fd1f0141ac128574c979a234e03884b59626c30d0c771ca23badb087d4e966
Size

45KB
Sample

250327-yh35bsyrv8
MD5

777493fb1a1ebb63fb49111ceb84d5fe
SHA1

589b529e67ae593bde8c77c24ff6a14e72696d99
SHA256

04fd1f0141ac128574c979a234e03884b59626c30d0c771ca23badb087d4e966
SHA512

d01ef318042fa32a81ba3451bdaa97dbeffe384d3e8d0282cae52548fcb422cbbbc856e11c2e65313e5e95de2256a495961804643e770cb860fb5aba38c9e66e
SSDEEP

768:R6sg/BD9qVKOXnXhEk75rrmt1E+cXjA6RULQv9SpQ9hD1B6SEJvrc/xU:R6sgJD9q8U5rCwjA6Gsv9TF1oVJo/xU

Score

10^/10

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

127.0.0.1:7777

Mutex

SilverMutex_rRFGGPWbDL

Attributes

certificate
MIIE4DCCAsigAwIBAgIQAKQYOfZd86J2BfNjhG4CWTANBgkqhkiG9w0BAQ0FADARMQ8wDQYDVQQDDAZTaWx2ZXIwIBcNMjIwODI2MTkwMTA4WhgPOTk5OTEyMzEyMzU5NTlaMBExDzANBgNVBAMMBlNpbHZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAPbpOWfhZTuOfEaqqImTTe5dNHAAry7/mf00DCoI4lPZfypsc1tYraxSPFeayGu09a3qdhkWKSVIgwnu2n4GLQNOCY9fh/1oyrX4Iir3BIkYeU7pKTWgjhUlAmFAUAaNr0ca23Ku2kN79jrDzRznOgE2DEW4p7OiM4Mb097ma9lzu7MyssHbY4VCteAhj9HZiplqBxaC1vXDmzxqG+gUZ1aLcyG7ssdkOjtWVBgT3gD/gOl7KchRzCFB1egDC/vD9WZCG35U3Ngi+IkTznoXR1R06cq4v0UnGjE37R2vcB21qb0ZYNiZJXZHv5i9+R7xoPeNoLda5PqnfGGbhPvNEdD56mdcOKlzGIuyemLkUo8texdpiBWKbtc3JZf5VsKxjJtHDK3xW6gDGI+PAirzGkFPmwcf8WgsblvzLg8OZpVxVs8rmKWoi6qIrf4CXnyl73J4lgzW+ir7PjANAQXwLNGdNnvdMeLeo/muGQPdeNpr6OczGGnkWA4qniHeL51/Gx0a8A+jP9zKiyu+qHcsP2IotgWDH/KlzJVr7IAum+DV92uV8poTDcUNcHaKvhHA65KmEtsvLbK6lFZcAMC0eWC0VgpW44T1/16rOaaky5mP6rTMc3nSyOl/lU/XgAgGGQPe22bRLWYzd3WVeEpI1WnHYXS+tL9IOe4kJP+pYsWDAgMBAAGjMjAwMB0GA1UdDgQWBBR32TJj2LeUx9L+RcSOvmFV6VJq6TAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBDQUAA4ICAQA+qucSOi7ov7Q1FmAjMf925KuvKuCNwJiu3Sqo3FDGVAD1fAwAi2FdyuXEO2VIUPZCkalFcBna5rqyrc6tcS4T0IL2TsYLrsuGir7PWP7CAcft1urYS1HpNpHxeH/nixwnQaQs/MuRmdm2TeCj6G21P5BTW55U5y9sMPSYwhbD2N7XLgnSQd5Y+80TR7FUiye/k3D37fI9PRhSQGbfYFRQQTmxj84dPTnY5CVgaY9d8fNiFZkyjaZdf+mibK0xQTf+xLVVj+toDNCkc1F462TdmFhCrHd4PoMo0yLDNv4SC6NLRq4haWDRtORw6gd5GYIoCQ3m3oQvNlNxXhhIjsOyxkxOrkCD0c+57PIc7EmKXieJa/XxnkcIVxO8dvTY/vijuz/VaZYl/lPu9ckuqgJ1wRvvsHl70Trv4Mn4X5uCIqRFFlK/mSOZbLIguGkDN3QIZABvej89vlZMhrVfZOG2oawe23FskHjv7thF/WzOXtWw6RUVC1V+hCwbuxFNUjZmmOTUwdXHnus7I2AuiG6Jz1+y9aYiXBcVTdSljxjHRRmiRaAnY94h58vN8NJ4hKL2GVCo6LxkpuplmcntJN0cKraKTPxSXcCRrqWxX9qoIbfvBcUU4vH1jPJCCLNCuDyD3lgQkpPVvq0EMU1a2HFGgMEQMjpYpb38rcadDhT5ag==
decrypted_key
-|S.S.S|-
discord
https://discordapp.com/api/webhooks/1354344972534550572/iYaCJzbXkLb3YT6yUhx_-NiWb1GadYyNw4eCuscw0WHsCZ3xCxErc2s6bSsEQ3LUa0nl
key
yy6zDjAUmbB09pKvo5Hhug==
key_x509
eWhTQVpxY2hiWVREZmZUVUdEckliYXlSdE9TTGNV
payload_url
https://g.top4top.io/p_2522c7w8u1.png
reconnect_delay
4
server_signature
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

Targets

- Target
  
  04fd1f0141ac128574c979a234e03884b59626c30d0c771ca23badb087d4e966
- Size
  
  45KB
- MD5
  
  777493fb1a1ebb63fb49111ceb84d5fe
- SHA1
  
  589b529e67ae593bde8c77c24ff6a14e72696d99
- SHA256
  
  04fd1f0141ac128574c979a234e03884b59626c30d0c771ca23badb087d4e966
- SHA512
  
  d01ef318042fa32a81ba3451bdaa97dbeffe384d3e8d0282cae52548fcb422cbbbc856e11c2e65313e5e95de2256a495961804643e770cb860fb5aba38c9e66e
- SSDEEP
  
  768:R6sg/BD9qVKOXnXhEk75rrmt1E+cXjA6RULQv9SpQ9hD1B6SEJvrc/xU:R6sgJD9q8U5rCwjA6Gsv9TF1oVJo/xU
Score

10^/10

silverrat defense_evasion trojan execution persistence
- SilverRat
  SilverRat is trojan written in C#.
  trojan silverrat
- Silverrat family
  silverrat
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  defense_evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Adds Run key to start application
  persistence
- Command and Scripting Interpreter: PowerShell
  Using powershell.exe command.
  execution
behavioral1 behavioral2