Analysis

  • max time kernel
    177s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 10:21

General

  • Target

    15bfe132c7e32d0b9d91ebfbde42d29a.exe

  • Size

    37KB

  • MD5

    15bfe132c7e32d0b9d91ebfbde42d29a

  • SHA1

    98bd7f4b3093f357e43f6d1f468a8bbe752ca8a2

  • SHA256

    25d15839a9a39e238fa0845e0eb36d4b0918550b3d43bbd90ae73917177fa44b

  • SHA512

    4e9221a81d65631b1798cd9499be9e75234f8d5e70b4d358c89290237619bc09391018db5409dbfa6738d15a18f0a8062b7e676222f4d19f0384b11c9192b411

  • SSDEEP

    768:xn+fXxEvL3l6Gb3lYF29eO+DdUd/o++vA19lAivQqJWpvVte:xjvL3Aq3lY8H/kgAivEvVQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15bfe132c7e32d0b9d91ebfbde42d29a.exe
    "C:\Users\Admin\AppData\Local\Temp\15bfe132c7e32d0b9d91ebfbde42d29a.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    PID:2008
  • C:\Windows\SysWOW64\ewyqww.exe
    C:\Windows\SysWOW64\ewyqww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:1476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 12
          3⤵
          • Program crash
          PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1476 -ip 1476
      1⤵
        PID:4716

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\ewyqww.exe

        Filesize

        37KB

        MD5

        15bfe132c7e32d0b9d91ebfbde42d29a

        SHA1

        98bd7f4b3093f357e43f6d1f468a8bbe752ca8a2

        SHA256

        25d15839a9a39e238fa0845e0eb36d4b0918550b3d43bbd90ae73917177fa44b

        SHA512

        4e9221a81d65631b1798cd9499be9e75234f8d5e70b4d358c89290237619bc09391018db5409dbfa6738d15a18f0a8062b7e676222f4d19f0384b11c9192b411

      • memory/1476-6-0x0000000000B20000-0x0000000000B20000-memory.dmp

      • memory/2008-0-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

      • memory/2008-1-0x00000000001C0000-0x00000000001C3000-memory.dmp

        Filesize

        12KB

      • memory/2008-7-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

      • memory/2008-9-0x00000000001C0000-0x00000000001C3000-memory.dmp

        Filesize

        12KB

      • memory/2008-16-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

      • memory/2244-8-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

      • memory/2244-12-0x00000000001C0000-0x00000000001C3000-memory.dmp

        Filesize

        12KB