Analysis

  • max time kernel
    156s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 01:51

General

  • Target

    23694c47f61a259d69349e0f10c94ac0.exe

  • Size

    403KB

  • MD5

    23694c47f61a259d69349e0f10c94ac0

  • SHA1

    34981f79bff33780990236e2ade01cd7c2450e22

  • SHA256

    465388cb5ba285c54d5d800928e9da8bb5d41a73c0bec1f9ce4e7de3c75dc5d5

  • SHA512

    6e3adeb5cff338e9e68bf30b2f2a5973f3b45317734c070d19e969aa2918ed30581ee0a495524cad21e09c7c60096ad111578b03ad8741ed76b9ae2e1ce1797f

  • SSDEEP

    12288:RgenlEL0LHs2+teXx/z3WC4/1KI2KKFg1dIvyGOs4n:gL0LHlqIxb3W39MHFuOvyS

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 42 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23694c47f61a259d69349e0f10c94ac0.exe
    "C:\Users\Admin\AppData\Local\Temp\23694c47f61a259d69349e0f10c94ac0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 892
      2⤵
      • Program crash
      PID:5016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 420 -ip 420
    1⤵
      PID:2668
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:4560
    • 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:2928
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:408
    • 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:4316
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:3600
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:1012
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:2448
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:3152

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/420-0-0x0000000002230000-0x0000000002233000-memory.dmp

      Filesize

      12KB

    • memory/420-1-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/420-2-0x0000000002260000-0x0000000002261000-memory.dmp

      Filesize

      4KB

    • memory/420-77-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB