Overview

overview

10

Static

static

10

2aab256875...d9.exe

windows7-x64

10

2aab256875...d9.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2aab256875748e3e205a6180a3edc476853c6056e62bad7031bf96b351140fd9

  • Size

    43KB

  • Sample

    250325-x8kv1a1wby

  • MD5

    ed32a7d82b35891f38691e8fa6ecaebb

  • SHA1

    54b54c134249abea5f186032d957fbd89f59d490

  • SHA256

    2aab256875748e3e205a6180a3edc476853c6056e62bad7031bf96b351140fd9

  • SHA512

    02fbf69c4fb2651eed1d98e4097324b5b6fd7c22da7237c9452a4c08fdb5f76210536f5042dde6796f7546a829f8ff9508172d80ce3088307d19cf768f515cce

  • SSDEEP

    768:Z7HrVRjdqtYW/WLf1jdKEMqrA2sSauhRUT/m9wXLYB6S08UUvNVrgE:ZFWzqrAFpGGq92Yoz8UUFVcE

Score
10/10
silverratdefense_evasionexecutionpersistencetrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

lists-mba.gl.at.ply.gg:34281

Mutex

SilverMutex_fErYmBRYzo

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1240368289755172974/pNWyW3BzPxdpeOXdB6tP4ABWWxDfOhsC07vYyMyWkduqpR5HEIOarL4dukoP8PDEsAix

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    MTIz

  • payload_url

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

  • reconnect_delay

    4

  • server_signature

    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

Targets

    • Target

      2aab256875748e3e205a6180a3edc476853c6056e62bad7031bf96b351140fd9

    • Size

      43KB

    • MD5

      ed32a7d82b35891f38691e8fa6ecaebb

    • SHA1

      54b54c134249abea5f186032d957fbd89f59d490

    • SHA256

      2aab256875748e3e205a6180a3edc476853c6056e62bad7031bf96b351140fd9

    • SHA512

      02fbf69c4fb2651eed1d98e4097324b5b6fd7c22da7237c9452a4c08fdb5f76210536f5042dde6796f7546a829f8ff9508172d80ce3088307d19cf768f515cce

    • SSDEEP

      768:Z7HrVRjdqtYW/WLf1jdKEMqrA2sSauhRUT/m9wXLYB6S08UUvNVrgE:ZFWzqrAFpGGq92Yoz8UUFVcE

    Score
    10/10
    silverratdefense_evasionexecutionpersistencetrojan

    • SilverRat

      SilverRat is trojan written in C#.

      trojansilverrat

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks