Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05-04-2023 08:12

General

  • Target

    1ebdbfea6ab13f258a7d00dea47de48261cfb84d52ebbb6f282498c3ab1b1b39.exe

  • Size

    322KB

  • MD5

    50c6225ff8e1e741238fc0bbdf7d8172

  • SHA1

    c2cc9ad6549d7e81f9052ba45680219bab75960a

  • SHA256

    1ebdbfea6ab13f258a7d00dea47de48261cfb84d52ebbb6f282498c3ab1b1b39

  • SHA512

    062727f899ac911782fde6ba37f693ffc9f6b4255aa56312d0bc9594e978010d314a16b7014fe380a5f3b8931b0aac4a5d407b3916c36de4deae82d8ac7c31d2

  • SSDEEP

    3072:F66/pFINPVP06dvuqrWrb60Db+7uQxQrq61gFsRd8cQUewkoLeC8BS0HVKT+8X2C:Gbxu6Q31gFsR0FoTY8T+8Gx

Malware Config

Signatures

  • UAC bypass 3 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 64 IoCs
  • Modifies termsrv.dll 1 TTPs 1 IoCs

    Commonly used to allow simultaneous RDP sessions.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ebdbfea6ab13f258a7d00dea47de48261cfb84d52ebbb6f282498c3ab1b1b39.exe
    "C:\Users\Admin\AppData\Local\Temp\1ebdbfea6ab13f258a7d00dea47de48261cfb84d52ebbb6f282498c3ab1b1b39.exe"
    1⤵
    • UAC bypass
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Modifies termsrv.dll
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • System policy modification
    PID:1200
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:1916

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1200-54-0x00000000011C0000-0x0000000001216000-memory.dmp

      Filesize

      344KB

    • memory/1200-55-0x000000001AD40000-0x000000001ADC0000-memory.dmp

      Filesize

      512KB

    • memory/1200-56-0x000000001AD40000-0x000000001ADC0000-memory.dmp

      Filesize

      512KB

    • memory/1200-146-0x000000001AD40000-0x000000001ADC0000-memory.dmp

      Filesize

      512KB

    • memory/1200-149-0x000000001AD40000-0x000000001ADC0000-memory.dmp

      Filesize

      512KB