Overview

overview

10

Static

static

10

SilverClient1.exe

windows10-2004-x64

10

SilverClient1.exe

windows10-ltsc 2021-x64

10

SilverClient1.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    SilverClient1.exe

  • Size

    45KB

  • Sample

    241130-ds5exstpap

  • MD5

    10c29d17cddebc5bc923d772d290dc07

  • SHA1

    5a8921b88feb366603b53f9ce6262923d4f91007

  • SHA256

    ade8b0d3da6e1fef46848d51cc9d9ecfcc9149edbd450eec9e9a2d194d66674a

  • SHA512

    6370958e3bdeb30752a1c45b9a45053199532248b407a9b096a1165d5aff26b6945bf99ef57a20ef1a325e31f647c06ec77ad711fe0af29e9560784629505d48

  • SSDEEP

    768:ojVlwJCpLU1T+mJX1fjFES0eMFauXCRULc9PEKe24MB6SvsSdSvriV8P:ojnpLUHDfj2qMsGY9s24Mo6s6SWV8P

Score
10/10
silverratevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

answer-patients.gl.at.ply.gg:9999

Mutex

SilverMutex_SDAVCufceR

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1312253993573154927/MAlWE1rv9VTYlLHyEAC7NMPsptI2-xQsJrqm0pXRFGSpkqsMY_fZrAYXEoW8Yc5JgYxA

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    cWZBYXRRU29UeEJrVW9MT0ZoZ2pFSUVEZWN4RkV5

  • payload_url

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

  • reconnect_delay

    4

  • server_signature

    SF9igJRoLRvdwEfke8sFoGJgS5PJ456uA2tXqGtOv6yZQoatNO9D55DmGmu/wclja5ibOb9s3XVYEc9CU5LM5zCQNaU9oJZKwFw36Udyug5hbFxojsdD8lG07G2aMYMhn9uG+j6i5hsuY86+RGOcHyEnJkhOUckb3pdzV/x40TnMgz3YEEcrEjQicZttrGoC3JwHX2jcCeXusH6ZWXcrT6TUc8hGi8Hzpj0206AXAo8Wq7fsjChv0x3v+4d5d/SYxkD6WR+LeF1y0166zm7kPgg8GmUkOtCx/aNJzvju1m7nZF8z6bbw9dpXPO2GVCisrNXJmt59i4fp6UzjhBbvGJh4snvoLvyw79L4qxeOQwAOsnV1bZRXCn6omc5CTj7k+zGO50nBCRb5osuz9nCARhdvXvD+97d01dsXmPlwDartr9Il/xE9OGVG6ZruVeWdZP5Ab6VGJZI76hJuRf1L3AJIVJG9CIaMBI1xGSU10DazclmWfFIauR0JK1BcpVOZH/w86915lKrwdD8jAN2XBVKaMdioYLFA1/8A9ykkGk+gv1f3knTzhQOJrdipwPewX2lur1auQlsiUGoLqFnVqwjsgaEqAjl66GbRUhAzxoBKdDNvfguS6cEllcRFQqMa5bO0bVzl2orXcUTPC/yuG87X37UIWJC5uS+64bDa4/M=

Targets

    • Target

      SilverClient1.exe

    • Size

      45KB

    • MD5

      10c29d17cddebc5bc923d772d290dc07

    • SHA1

      5a8921b88feb366603b53f9ce6262923d4f91007

    • SHA256

      ade8b0d3da6e1fef46848d51cc9d9ecfcc9149edbd450eec9e9a2d194d66674a

    • SHA512

      6370958e3bdeb30752a1c45b9a45053199532248b407a9b096a1165d5aff26b6945bf99ef57a20ef1a325e31f647c06ec77ad711fe0af29e9560784629505d48

    • SSDEEP

      768:ojVlwJCpLU1T+mJX1fjFES0eMFauXCRULc9PEKe24MB6SvsSdSvriV8P:ojnpLUHDfj2qMsGY9s24Mo6s6SWV8P

    Score
    10/10
    silverratevasionexecutionpersistencetrojan

    • 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.

      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

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Tasks