Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2024 16:38

General

  • Target

    80542990ec345a28c7a5093826143139.exe

  • Size

    403KB

  • MD5

    80542990ec345a28c7a5093826143139

  • SHA1

    63afddb61a7b4fafede2e5f19f9d30eb9998d784

  • SHA256

    5b7c7891a2d924128ca62a613b506e1ee96d3c821080c10ee9bf730b50d06d1c

  • SHA512

    f1dc87797905e31025f12b973e6d3005b5ddc3aea1a98bb7973358084cfaf237a3e9fc79ca36738215733a84dae88fb3364a4bbac9c17b2a0ba5321a610dc9b1

  • SSDEEP

    12288:sgenlEL0LHs2+teXx/z3WC4/1KI2KKFg1dIvyGOs4q:TL0LHlqIxb3W39MHFuOvyS

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80542990ec345a28c7a5093826143139.exe
    "C:\Users\Admin\AppData\Local\Temp\80542990ec345a28c7a5093826143139.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 896
      2⤵
      • Program crash
      PID:1680
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 208 -ip 208
    1⤵
      PID:5056
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:5108
    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:3612
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:5076
    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:2420
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:4372
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:4848
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3700
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:660

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/208-0-0x0000000002230000-0x0000000002233000-memory.dmp

              Filesize

              12KB

            • memory/208-1-0x0000000000400000-0x00000000004CC000-memory.dmp

              Filesize

              816KB

            • memory/208-2-0x0000000002260000-0x0000000002261000-memory.dmp

              Filesize

              4KB

            • memory/208-77-0x0000000000400000-0x00000000004CC000-memory.dmp

              Filesize

              816KB