General

  • Target

    1gdfgdfgfgdfgd.exe

  • Size

    44KB

  • Sample

    250123-h75fpazpfk

  • MD5

    f52808e0eea172b4af8d7ea850dc3cf0

  • SHA1

    8f5f76df4251a1acfb13f0e02262f5e431287e23

  • SHA256

    a197a920c0c3bf253163ffc4202aa64d5b58e6fbc57f167c352c17452a03ee66

  • SHA512

    3860ba747702ed1c586ea5be1cde7bb330d58e5fe8d92a67c928f1056be1f1ec4d404ae4171e5b8a80050862d6c3f8f7dbb91d40154ee4203d5f8cc650c8bf40

  • SSDEEP

    768:y4eBDDdyX5FgSuGHxNictMvfZRWlfiQrKZHUSrIRUT0f9SgQDHkRB6Sk3nvrv/Nb:y4esictGZU9YU0IGAf9tRoX3nb/NNJ

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

138.124.58.209:9999

Mutex

SilverMutex_eDcyniRBRE

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1331834457505796197/1zo1ndsiS3rimTRAe_9GVbszJPBU9voar-Ni-Q1SqX4udg7-NgcN-1tqPw47wPI1_Lp2

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    b2RWV05OT1RUWEFQb3dReUVWdUZrdHpoQXpDS1dq

  • payload_url

    https://g.top4top.io/p_2522c7w8u1.png

  • reconnect_delay

    4

  • server_signature

    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

Targets

    • Target

      1gdfgdfgfgdfgd.exe

    • Size

      44KB

    • MD5

      f52808e0eea172b4af8d7ea850dc3cf0

    • SHA1

      8f5f76df4251a1acfb13f0e02262f5e431287e23

    • SHA256

      a197a920c0c3bf253163ffc4202aa64d5b58e6fbc57f167c352c17452a03ee66

    • SHA512

      3860ba747702ed1c586ea5be1cde7bb330d58e5fe8d92a67c928f1056be1f1ec4d404ae4171e5b8a80050862d6c3f8f7dbb91d40154ee4203d5f8cc650c8bf40

    • SSDEEP

      768:y4eBDDdyX5FgSuGHxNictMvfZRWlfiQrKZHUSrIRUT0f9SgQDHkRB6Sk3nvrv/Nb:y4esictGZU9YU0IGAf9tRoX3nb/NNJ

    • SilverRat

      SilverRat is trojan written in C#.

    • Silverrat family

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks