Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2023 23:29

General

  • Target

    023d20cf348044b1596ab0aa458ae49ce02a47eeb2c7bdda5bfa3354b7319ea5.exe

  • Size

    203KB

  • MD5

    ee2d92b118a44254be173a6f95ea009d

  • SHA1

    b8f203dd1831c283cbdc15639f5bbd69182f2d14

  • SHA256

    023d20cf348044b1596ab0aa458ae49ce02a47eeb2c7bdda5bfa3354b7319ea5

  • SHA512

    cdb9aa222b6bf08411e1c4619ea704bcff0653135051649b9cc82427265be274cc240ab704bf2de2571f8274c80b13c5f406c9dfcbb9f4308846a3febdaf5395

  • SSDEEP

    3072:QGiOQBQI6uRWodJFBXF/XOdkq45kuQgyFNHiGtOdRISC:f0R6M3dRsdkqy0NHiNC

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\023d20cf348044b1596ab0aa458ae49ce02a47eeb2c7bdda5bfa3354b7319ea5.exe
    "C:\Users\Admin\AppData\Local\Temp\023d20cf348044b1596ab0aa458ae49ce02a47eeb2c7bdda5bfa3354b7319ea5.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\023d20cf348044b1596ab0aa458ae49ce02a47eeb2c7bdda5bfa3354b7319ea5.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:4032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 1828
      2⤵
      • Program crash
      PID:4276
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4832 -ip 4832
    1⤵
      PID:1868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4832-1-0x0000000000980000-0x0000000000A80000-memory.dmp

      Filesize

      1024KB

    • memory/4832-2-0x0000000002520000-0x0000000002546000-memory.dmp

      Filesize

      152KB

    • memory/4832-3-0x0000000000400000-0x00000000007BB000-memory.dmp

      Filesize

      3.7MB

    • memory/4832-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4832-31-0x0000000000400000-0x00000000007BB000-memory.dmp

      Filesize

      3.7MB

    • memory/4832-33-0x0000000002520000-0x0000000002546000-memory.dmp

      Filesize

      152KB