General

  • Target
    Malwarebytes Premium 5.1.1.106 Multilingual.zip
  • Size 410.1MB
  • Sample260905-ymmcdaytb1
  • SHA256 e37343284c9535ff78ac7420400b63792161d111d21f7d86761facd922e8037c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Malwarebytes Premium 5.1.1.106 Multilingual.zip
    • Size 410.1MB
    • SHA256 e37343284c9535ff78ac7420400b63792161d111d21f7d86761facd922e8037c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Malwarebytes Premium 5.1.1.106 Multilingual/MBSetup.exe
    • Size 290.1MB
    • SHA256 e3168b1cbdc4709dae53d4dee1c45aa7916cdf12998d84bc7b275d5d28832ba1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Impair Defenses: Safe Mode Boot

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Target
      Malwarebytes Premium 5.1.1.106 Multilingual/Patch.7z
    • Size 64.9MB
    • SHA256 f508e71dc1220d13dc5bf1bce5fbb08ca069ede160a2c0a79401c06046c0afd0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Installs a root certificate to the trusted certificate store

      A root certificate was added to the trusted certificate store using CertUtil.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Drops file in System32 directory

    • Target
      Patch_MB_5.x.exe
    • Size 65.3MB
    • SHA256 bd526968893102942c27d3c6c89cd92e066268bde0bc83a5569be090227d5257
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Drops file in Drivers directory

    • Installs a root certificate to the trusted certificate store

      A root certificate was added to the trusted certificate store using CertUtil.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Drops file in System32 directory

    • Target
      Malwarebytes Premium 5.1.1.106 Multilingual/Patch/Patch_MB_5.x.exe
    • Size 65.3MB
    • SHA256 bd526968893102942c27d3c6c89cd92e066268bde0bc83a5569be090227d5257
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Installs a root certificate to the trusted certificate store

      A root certificate was added to the trusted certificate store using CertUtil.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

adwaredefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspywarestealertrojan
Score
10/10

behavioral4

discovery
Score
8/10

behavioral5

adwaredefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspywarestealertrojan
Score
8/10

behavioral6

discovery
Score
8/10

behavioral7

adwaredefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspywarestealertrojan
Score
8/10

behavioral8

adwaredefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspywarestealertrojan
Score
8/10

behavioral9

adwaredefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspywarestealertrojan
Score
8/10

behavioral10

adwaredefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspywarestealertrojan
Score
8/10