Overview

overview

10

Static

static

10

BOB SILVER...10.exe

windows7-x64

10

BOB SILVER...10.exe

windows10-2004-x64

10

BOB SILVER...11.exe

windows7-x64

10

BOB SILVER...11.exe

windows10-2004-x64

10

BOB SILVER...12.exe

windows7-x64

10

BOB SILVER...12.exe

windows10-2004-x64

10

BOB SILVER...13.exe

windows7-x64

10

BOB SILVER...13.exe

windows10-2004-x64

10

BOB SILVER...14.exe

windows7-x64

10

BOB SILVER...14.exe

windows10-2004-x64

10

BOB SILVER...15.exe

windows7-x64

10

BOB SILVER...15.exe

windows10-2004-x64

10

BOB SILVER...16.exe

windows7-x64

10

BOB SILVER...16.exe

windows10-2004-x64

10

BOB SILVER...17.exe

windows7-x64

10

BOB SILVER...17.exe

windows10-2004-x64

10

BOB SILVER...18.exe

windows7-x64

10

BOB SILVER...18.exe

windows10-2004-x64

10

BOB SILVER...19.exe

windows7-x64

10

BOB SILVER...19.exe

windows10-2004-x64

10

BOB SILVER... 2.exe

windows7-x64

10

BOB SILVER... 2.exe

windows10-2004-x64

10

BOB SILVER...20.exe

windows7-x64

10

BOB SILVER...20.exe

windows10-2004-x64

10

BOB SILVER...21.exe

windows7-x64

10

BOB SILVER...21.exe

windows10-2004-x64

10

BOB SILVER...22.exe

windows7-x64

10

BOB SILVER...22.exe

windows10-2004-x64

10

BOB SILVER...23.exe

windows7-x64

10

BOB SILVER...23.exe

windows10-2004-x64

10

BOB SILVER...24.exe

windows7-x64

10

BOB SILVER...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    BOB SILVER CLIENTS GO BRRRRR.zip

  • Size

    742KB

  • Sample

    250308-ysdmes1yf1

  • MD5

    fae90a2becaaa5166df2e4cbeb3e877a

  • SHA1

    54ebed6331f513cd9c89c939419a862701b45103

  • SHA256

    2259e06eccb55249f28af3b1bd022a7843de21eb51fabd61f01f158a20fdfe96

  • SHA512

    18950c6e57c3dfdc0fc9a778faef60c336169e9fbd23ca554069b34b91e0b5a1a634fcc7677f5fda156e410ee5f5a183b314ef26d6f52298e47fc1ffa36e5b88

  • SSDEEP

    12288:u+bx9flpQyjMSHZxXPLdH6j+E+XZ2ZpQv:u+bx9flpQyjMSHZxXPLdH6j+E+XZ2Zpc

Score
10/10
silverratdefense_evasionexecutionpersistencetrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

if-eventually.gl.at.ply.gg:17094

Mutex

lAxDBRhAFu

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • discord

    https://discord.com/api/webhooks/1335679503938355221/lGcOUDspps04wapqxq013W8uYGPSCcmnxl9Q1xnWdBn45Ul8QBT-Qs2mjsdVNXfOtTCe

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    b0FGeVZNcFRMWVloVHR6Z0VESU5RdlpZUmxZbUFE

  • payload_url

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

  • reconnect_delay

    4

  • server_signature

    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

Targets

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 10.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 11.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral3behavioral4

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 12.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral5behavioral6

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 13.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral7behavioral8

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 14.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral10behavioral9

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 15.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral11behavioral12

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 16.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral13behavioral14

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 17.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral15behavioral16

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 18.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral17behavioral18

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 19.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral19behavioral20

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 2.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral21behavioral22

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 20.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/bE

    Score
    10/10
    silverratdefense_evasionexecutiontrojanpersistence

    • 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

    behavioral23behavioral24

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 21.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral25behavioral26

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 22.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/bE

    Score
    10/10
    silverratdefense_evasionexecutiontrojanpersistence

    • 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

    behavioral27behavioral28

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 23.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral29behavioral30

    • Target

      BOB SILVER CLIENTS GO BRRRRR/V 24.exe

    • Size

      45KB

    • MD5

      1cf8d6e0acaa084d9b4201f11a1a04a8

    • SHA1

      7cc576ff7a096e14a6e83836bfd3cd29f7164392

    • SHA256

      c7c78f431c21c05d2963fb7635b73d969b7dada294252ef1d2b634b030a2375f

    • SHA512

      de6889cffba397b9a95b02d3271b14c9abbe543fb2a4415182cb24e9a3cf152bfb1ae5d3237eacac613f411fc278d120191f45c5cb1c4ca5135f393b57c0527a

    • SSDEEP

      768:iqzAMCV2799XtzcyyMjtjRULQD9PpnUz1QB6S9RVvr0/bE:iqzAM8qfzcMjGsD9K1QoyRVA/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

    behavioral31behavioral32

MITRE ATT&CK Enterprise v15

Tasks

static1

silverrat
Score
10/10

behavioral1

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral2

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral3

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral4

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral5

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral6

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral7

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral8

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral9

silverratdefense_evasionexecutiontrojan
Score
10/10

behavioral10

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral11

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral12

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral13

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral14

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral15

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral16

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral17

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral18

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral19

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral20

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral21

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral22

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral23

silverratdefense_evasionexecutiontrojan
Score
10/10

behavioral24

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral25

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral26

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral27

silverratdefense_evasionexecutiontrojan
Score
10/10

behavioral28

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral29

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral30

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral31

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10

behavioral32

silverratdefense_evasionexecutionpersistencetrojan
Score
10/10