silverrat

General

Target

SilverClient.exe
Size

42KB
Sample

241220-c81w1axlay
MD5

953679a46f8bada4aea3c89e2026176a
SHA1

b78419d85a443d21fdd3bd6673c6c0b407f615da
SHA256

4008b0c3754f16bdf1365b0f894e48c82ccf5f8a656592fab4db899e11b73051
SHA512

4aabe38b1c404c4d61b08b4126bf509dc81cf50131db2c1061452cd795cc6c1f05055b03f8cadf99aa2b76f0f5c36fc3babe0cbb0a9d978a38fb71ca5f7ecd96
SSDEEP

768:GiImvwcOx/MUpJRBc/u+cJn6550BcmSHrlruPXr7yaaxLEt0URoPRULL9SI1PCBn:GiImIcOBBdn655XTkt0U2Gf9XKo39ZU

Score

10^/10

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

hope-asia.gl.at.ply.gg:35710

Mutex

SilverMutex_RxkTUhToXD

Attributes

certificate
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
decrypted_key
-|S.S.S|-
key
yy6zDjAUmbB09pKvo5Hhug==
key_x509
TVRpQXhBRVBpd1liZHFlUlNEQ0FEbVd4Z3JKU1JN
reconnect_delay
4
server_signature
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

Targets

- Target
  
  SilverClient.exe
- Size
  
  42KB
- MD5
  
  953679a46f8bada4aea3c89e2026176a
- SHA1
  
  b78419d85a443d21fdd3bd6673c6c0b407f615da
- SHA256
  
  4008b0c3754f16bdf1365b0f894e48c82ccf5f8a656592fab4db899e11b73051
- SHA512
  
  4aabe38b1c404c4d61b08b4126bf509dc81cf50131db2c1061452cd795cc6c1f05055b03f8cadf99aa2b76f0f5c36fc3babe0cbb0a9d978a38fb71ca5f7ecd96
- SSDEEP
  
  768:GiImvwcOx/MUpJRBc/u+cJn6550BcmSHrlruPXr7yaaxLEt0URoPRULL9SI1PCBn:GiImIcOBBdn655XTkt0U2Gf9XKo39ZU
Score

10^/10

silverrat execution persistence trojan
- SilverRat
  SilverRat is trojan written in C#.
  trojan silverrat
- Silverrat family
  silverrat
- Executes dropped EXE
- Adds Run key to start application
  persistence
- Command and Scripting Interpreter: PowerShell
  Using powershell.exe command.
  execution
behavioral1