Overview

overview

10

Static

static

10

90cbf62700...4N.exe

windows7-x64

10

90cbf62700...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    90cbf62700059771426989aa63825e3c65942412c1ad44be121f74edd1508494N.exe

  • Size

    45KB

  • Sample

    250205-hpglxavnfs

  • MD5

    6c8dd2f91aac1d9d63c469319e0cb660

  • SHA1

    254cbc2a138c1d6557f825d330a0842e51719328

  • SHA256

    90cbf62700059771426989aa63825e3c65942412c1ad44be121f74edd1508494

  • SHA512

    3424b9bcd5eb2d721ef496c9f61e348b59185d8dda7cf2898773468ded7c0ed001125d292d66dec68f5de15f32e0936d570cfdbe24e38ae7571eb628113b9cad

  • SSDEEP

    768:P0MNzAdO8X//Zv3IhkL8RULQ3hz9hGh1B6SvhMve/NU:P0MKT/t3IOoGsxz981o8hMW/NU

Score
10/10
silverratdefense_evasionexecutionpersistencetrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

music-domains.gl.at.ply.gg:7430

Mutex

SilverMutex_CVmZYQwjRm

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1327783050179907635/yPvPlEt9XqjWeGypr_Crjq9RzhMcH9cAO5GYwjbaoN0aJuyBOIokIIo_dcFs2nZi1dLc

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    WUdhbVJXYmpSSHlaYkNUREFtUm1tQUpBaFp2ZHNs

  • payload_url

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

  • reconnect_delay

    4

  • server_signature

    f+MG6kkRXylair94XvfRn2dfhih4r+mwsLB4oJs8Jro62TE8a6XYi6kx/cUk2SRh/Q/+j70Np2AdEO3XSPEPTWA2rIsUEhs6lwNZ2fk7hccGAh2aqqjpwGkVyMQpMxkJogBDlVyeA/XphjTYtggxNuvulSLLdSCyZS0bBCnKpUzS9VqzkoztojANUqUCTVep9DtchMmWF5A9wfOzmXRdbrmHocMC4JzwKioiWmfv9PNVRX9OSYxbShm9926cr0wc/tPtKX7ADwhcK/5sDiUX7cT8ProZmal9uIcYfrIiw/eceRluQm2BpfxbZG1akPBRoqhU/JYGpYnXvq9LnoTZqzgfY/DpxOtLUg0BMBI7Aon1Z9wbkMN3tUK0/T8zqCGKgou6+wN1z7O/PWnsbJZFbO2tuqc++ITJpGJPoNv4Fj/KkGJnJcrw59MXaKFXqg+ir/30HXvcs5VSEzVr0sEZSuLLb2gskGrhEWvBjC98biNP0HHBhKSCJ/vVQKu4HkrnmhCJm0mKZxql6cgiwpeO7r5JZY/gJCJU5gpBc6p8BZSHPRnsazCnjqW0d8F+CQzlzMmH7+6pDEnbjVKeuGwsG0cImOmdj2e7RkyY70fQbHbsqqBgt40kbd99beBLNDKsyWoT2gTvZajyhsi6MYb0gql2tH/S6oe1awB/LpBSwOU=

Targets

    • Target

      90cbf62700059771426989aa63825e3c65942412c1ad44be121f74edd1508494N.exe

    • Size

      45KB

    • MD5

      6c8dd2f91aac1d9d63c469319e0cb660

    • SHA1

      254cbc2a138c1d6557f825d330a0842e51719328

    • SHA256

      90cbf62700059771426989aa63825e3c65942412c1ad44be121f74edd1508494

    • SHA512

      3424b9bcd5eb2d721ef496c9f61e348b59185d8dda7cf2898773468ded7c0ed001125d292d66dec68f5de15f32e0936d570cfdbe24e38ae7571eb628113b9cad

    • SSDEEP

      768:P0MNzAdO8X//Zv3IhkL8RULQ3hz9hGh1B6SvhMve/NU:P0MKT/t3IOoGsxz981o8hMW/NU

    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