silverrat | ec4dc436db987304dcf3ee376ef34355bd022d7b35d61eb5e8a1ae4ba18c3e09

General

Target
ec4dc436db987304dcf3ee376ef34355bd022d7b35d61eb5e8a1ae4ba18c3e09
Size 41KB
Sample260901-x5l9naee46
SHA256 ec4dc436db987304dcf3ee376ef34355bd022d7b35d61eb5e8a1ae4ba18c3e09
MD5 d73c1a08509ef43d4b7e5f696aa8aff8
SHA1 80ea8456a9cfcc59432afb427b876dffdb31145d
SHA512 85674860fb5b4b2a9627b07ac4619550b8b7062846c02460714771ca67dce3c1c47387639861b6d1700a6455a0b12fa92b552bfc92c64970fde7352da63b567a
SSDEEP 768:ceCrHvnN9BntaDR3umQhOVJ6v8RUT499wTGmB6S9ugYGDZU:ceCrHuD0WVJ6v8G29+Gmo6ugrtU
TLSH
T186135D057BCD4139D6BE0B79A5F1635186B9F1772203DB9E1CC401EE19237C986827FA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

147.185.221.19:2137

Mutex

lAxDBRhAFu

Attributes

certificate
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
decrypted_key
-|S.S.S|-
key
yy6zDjAUmbB09pKvo5Hhug==
key_x509
Zm9yRWxmVEx3amxmdEtSakFDT2ZoTEhhRFJxbXBZ
reconnect_delay
4
server_signature
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

Targets

- Target
  ec4dc436db987304dcf3ee376ef34355bd022d7b35d61eb5e8a1ae4ba18c3e09
- Size 41KB
- SHA256 ec4dc436db987304dcf3ee376ef34355bd022d7b35d61eb5e8a1ae4ba18c3e09
- MD5 d73c1a08509ef43d4b7e5f696aa8aff8
- SHA1 80ea8456a9cfcc59432afb427b876dffdb31145d
- SHA512 85674860fb5b4b2a9627b07ac4619550b8b7062846c02460714771ca67dce3c1c47387639861b6d1700a6455a0b12fa92b552bfc92c64970fde7352da63b567a
- SSDEEP 768:ceCrHvnN9BntaDR3umQhOVJ6v8RUT499wTGmB6S9ugYGDZU:ceCrHuD0WVJ6v8G29+Gmo6ugrtU
- TLSH
  T186135D057BCD4139D6BE0B79A5F1635186B9F1772203DB9E1CC401EE19237C986827FA
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

defense_evasion execution silverrat persistence trojan
- Family: SilverRat
  SilverRat is trojan written in C#.
  trojan silverrat
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Command and Scripting Interpreter: PowerShell
  Using powershell.exe command.
  execution
behavioral1 behavioral2