Analysis

  • max time kernel
    110s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 23:36

General

  • Target

    76a9f90a2a4c6736f100b7c79c68f205e374744435429a4e2dba8e0d511a48b2N.exe

  • Size

    5.4MB

  • MD5

    2f825bb8db9d34c2f6e63c8311a61640

  • SHA1

    cd057e914f0078871484732a0001008412a42255

  • SHA256

    76a9f90a2a4c6736f100b7c79c68f205e374744435429a4e2dba8e0d511a48b2

  • SHA512

    b183ac5184891a83a269fdc72f1adf9b46ded3824e204595bbc9b1ce16e16657c6e0ff540c11dc30e8a67df3062af34de2eecd859f3153b971c966e3b05ffae6

  • SSDEEP

    49152:9GKsY+dy0ZScIBqBT11s9GY568MNwu4acTC3ZvFXkP5VugzsIYU:fsY+dy0ZScIBqBT116EHcTeqqI3

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76a9f90a2a4c6736f100b7c79c68f205e374744435429a4e2dba8e0d511a48b2N.exe
    "C:\Users\Admin\AppData\Local\Temp\76a9f90a2a4c6736f100b7c79c68f205e374744435429a4e2dba8e0d511a48b2N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\sysx32.exe
      C:\Windows\system32\sysx32.exe /scan
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      PID:2948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\sysx32.exe

          Filesize

          5.4MB

          MD5

          2f825bb8db9d34c2f6e63c8311a61640

          SHA1

          cd057e914f0078871484732a0001008412a42255

          SHA256

          76a9f90a2a4c6736f100b7c79c68f205e374744435429a4e2dba8e0d511a48b2

          SHA512

          b183ac5184891a83a269fdc72f1adf9b46ded3824e204595bbc9b1ce16e16657c6e0ff540c11dc30e8a67df3062af34de2eecd859f3153b971c966e3b05ffae6

        • memory/1688-0-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/1688-4-0x00000000001B0000-0x00000000001C1000-memory.dmp

          Filesize

          68KB

        • memory/1688-15-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/2948-16-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB