silverrat | ad47f28690e0e5ded151d5fc0e267d8a7a738c98bb264dc3e801ad36125812b6

General

Target
ad47f28690e0e5ded151d5fc0e267d8a7a738c98bb264dc3e801ad36125812b6.exe
Size 44KB
Sample260423-yldc3sgx91
SHA256 ad47f28690e0e5ded151d5fc0e267d8a7a738c98bb264dc3e801ad36125812b6
MD5 a1adfeb6f37f26c4a9ba737320cd37fa
SHA1 90d604e216cac2c5e86153fb98c990f2a17f924e
SHA512 34b145e565679321f24dc176241aaab539aec4590ddf26df78ad0baedc4a80586405ccda948f3cb5c92436b5acaa68a8a0b639a578c983d12dedd189d7532655
SSDEEP 768:M/uCYSBGHZaHG8l3ona9ndZ3lnnn9tKbkJqGRUT03f9wzpyB6SSXHvrH/JBdU:6e0n/3tUknGAv9doxXHr/HdU
TLSH
T1C0234C016BDD863AE7FE4B7C9AF1525542B5F1731612D78E1CC401EA0E237C98A81BF6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

127.0.0.1:2145

Mutex

lAxDBRhAFu

Attributes

certificate
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
decrypted_key
-|S.S.S|-
discord
https://discord.com/api/webhooks/1496813674721972298/gPnht37aN6YW7LshwibU6QgzVjvMuibZseJCLp0zUWzcuOSvWbIwdk_N2sFU_64V4ssd
key
yy6zDjAUmbB09pKvo5Hhug==
key_x509
Y1B6a3pZUVhnWnhkdERFT1R4ZUJHbFlwWW9ZQWNG
payload_url
https://g.top4top.io/p_2522c7w8u1.png
reconnect_delay
4
server_signature
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

Targets

- Target
  ad47f28690e0e5ded151d5fc0e267d8a7a738c98bb264dc3e801ad36125812b6.exe
- Size 44KB
- SHA256 ad47f28690e0e5ded151d5fc0e267d8a7a738c98bb264dc3e801ad36125812b6
- MD5 a1adfeb6f37f26c4a9ba737320cd37fa
- SHA1 90d604e216cac2c5e86153fb98c990f2a17f924e
- SHA512 34b145e565679321f24dc176241aaab539aec4590ddf26df78ad0baedc4a80586405ccda948f3cb5c92436b5acaa68a8a0b639a578c983d12dedd189d7532655
- SSDEEP 768:M/uCYSBGHZaHG8l3ona9ndZ3lnnn9tKbkJqGRUT03f9wzpyB6SSXHvrH/JBdU:6e0n/3tUknGAv9doxXHr/HdU
- TLSH
  T1C0234C016BDD863AE7FE4B7C9AF1525542B5F1731612D78E1CC401EA0E237C98A81BF6
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

defense_evasion execution silverrat persistence trojan
- Family: SilverRat
  SilverRat is trojan written in C#.
  trojan 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
- Contacts third-party web service commonly abused for C2
  Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
behavioral1 behavioral2