Overview

overview

10

Static

static

10

0x00050000...90.exe

windows7-x64

10

0x00050000...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0x00050000000194b4-190.dat

  • Size

    45KB

  • Sample

    250325-tv917asnt4

  • MD5

    9f86ce346644c8fd062ddcf802a3e993

  • SHA1

    8a78d91bee298fa47a794e559b5331c2ef49c015

  • SHA256

    b9488a2f213ea62076f92fb16ae0c037ac2fc977310af10e36919543b03c8a0d

  • SHA512

    f598a13361b482822b1f5d6b569d9d61324ea79407a93678191e779c130b491ba2cb446ab464a5f0afc71273a9378cc3df409948141f1564fe33b07e5cd9db9e

  • SSDEEP

    768:xPrAM+pp779X5zXyyMjtJRULQD9PBnvB6SvHvvre/bE:xPrAM+nrzXMJGsD9hosHvi/bE

Score
10/10
silverratdefense_evasionexecutionpersistencetrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

clear-spice.gl.at.ply.gg:62042

Mutex

SilverMutex_ZtRAjMMKxS

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1335733715820609557/QV6ZUiJPFo3MXmoiKBB-WTBlkHeBiFxmRY95RN_M1sHhPMswAoo2T6AL_kHvoSoCRKE0

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    dFRzdEVvbU9ZVUR2UmVzZFlPR3V3dlRGWURZdk9S

  • payload_url

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

  • reconnect_delay

    2

  • server_signature

    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

Targets

    • Target

      0x00050000000194b4-190.dat

    • Size

      45KB

    • MD5

      9f86ce346644c8fd062ddcf802a3e993

    • SHA1

      8a78d91bee298fa47a794e559b5331c2ef49c015

    • SHA256

      b9488a2f213ea62076f92fb16ae0c037ac2fc977310af10e36919543b03c8a0d

    • SHA512

      f598a13361b482822b1f5d6b569d9d61324ea79407a93678191e779c130b491ba2cb446ab464a5f0afc71273a9378cc3df409948141f1564fe33b07e5cd9db9e

    • SSDEEP

      768:xPrAM+pp779X5zXyyMjtJRULQD9PBnvB6SvHvvre/bE:xPrAM+nrzXMJGsD9hosHvi/bE

    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