General

  • Target

    7Zip ru Soft.exe

  • Size

    44.9MB

  • Sample

    240620-wbvs9szcke

  • MD5

    e886ada7081ecdfcaadac48cb2a4f6fb

  • SHA1

    91a4a8f64a53da60a4422cc900de37c8484a5d65

  • SHA256

    aed03a16d20b1caf1480687529d4e9e9ebbc0065f72b8e693976c32327fa056f

  • SHA512

    0d7f82d50b6eb47f96ea09f320f37c491a90ffa9a5b5ce0d672b591bd5ba99b60e5748b42244e4569e556d956225a9f21927e4d3cfde89dee64e1e81775cabd6

  • SSDEEP

    786432:9SIY11BWA10pARKGhYcO07gsjURzIhsuD15JkwaFjHXgF1edgD75e6Z+:9StW20vEYQgxU6uDbJpat3qvA5

Malware Config

Targets

    • Target

      7Zip ru Soft.exe

    • Size

      44.9MB

    • MD5

      e886ada7081ecdfcaadac48cb2a4f6fb

    • SHA1

      91a4a8f64a53da60a4422cc900de37c8484a5d65

    • SHA256

      aed03a16d20b1caf1480687529d4e9e9ebbc0065f72b8e693976c32327fa056f

    • SHA512

      0d7f82d50b6eb47f96ea09f320f37c491a90ffa9a5b5ce0d672b591bd5ba99b60e5748b42244e4569e556d956225a9f21927e4d3cfde89dee64e1e81775cabd6

    • SSDEEP

      786432:9SIY11BWA10pARKGhYcO07gsjURzIhsuD15JkwaFjHXgF1edgD75e6Z+:9StW20vEYQgxU6uDbJpat3qvA5

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • 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

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks