Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 07:24

General

  • Target

    d58a40df7252a9a95119f7a4ef13c1ef.exe

  • Size

    101KB

  • MD5

    d58a40df7252a9a95119f7a4ef13c1ef

  • SHA1

    a78cd7c535875443cafeb7bb57c0d65990f1ffa0

  • SHA256

    ed2a7b51ce698e0796d47f8fb71f7caa0f81033f98a92ecaf2e362c903804aaf

  • SHA512

    72513251aa00b445c4d7760723b0ebcab74e0da3cb87c8c773a59bf6b014e4538bc08a8be5d620656503127e8aa21d12131f8b321815fa722a690f13d38e3ee9

  • SSDEEP

    3072:u1NiioD57B8SHTkR9s6Bk9BLvdLgp4SA:sNirFvzkRXkbQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 8 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 64 IoCs
  • Runs net.exe
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d58a40df7252a9a95119f7a4ef13c1ef.exe
    "C:\Users\Admin\AppData\Local\Temp\d58a40df7252a9a95119f7a4ef13c1ef.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:280
    • C:\Windows\SysWOW64\A0A04.exe
      C:\Windows\system32\A0A04.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "net start A0A04"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\SysWOW64\net.exe
          net start A0A04
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4972
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start A0A04
            5⤵
              PID:2688
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "net start A0A04"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4900
        • C:\Windows\SysWOW64\net.exe
          net start A0A04
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3228
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start A0A04
            4⤵
              PID:4024
      • C:\Windows\SysWOW64\A0A04.exe
        C:\Windows\SysWOW64\A0A04.exe
        1⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c "net start A0A04"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1356
          • C:\Windows\SysWOW64\net.exe
            net start A0A04
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2408
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start A0A04
              4⤵
                PID:5092
          • C:\Windows\SysWOW64\15B29.exe
            C:\Windows\system32\15B29.exe eee
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:4912

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\15B29.exe

          Filesize

          92KB

          MD5

          1f39fb7d9e4ea0f8a659c2ef929b7aec

          SHA1

          be5c3bff8887e26f3fac53315b8d70b1261c931f

          SHA256

          39970502a8dbda0c55dc69beb8968d29db2ff95253f79b905a0480d1ad91afae

          SHA512

          d2bf1eab45efa98eb7e9acb02a72cc859fc6adc5d26294a153ebdacabb010f37647b9e890e81982d0a74b37550148b63dd1ca1430ea5247ac842dccc76adf42f

        • C:\Windows\SysWOW64\A0A04.exe

          Filesize

          101KB

          MD5

          d58a40df7252a9a95119f7a4ef13c1ef

          SHA1

          a78cd7c535875443cafeb7bb57c0d65990f1ffa0

          SHA256

          ed2a7b51ce698e0796d47f8fb71f7caa0f81033f98a92ecaf2e362c903804aaf

          SHA512

          72513251aa00b445c4d7760723b0ebcab74e0da3cb87c8c773a59bf6b014e4538bc08a8be5d620656503127e8aa21d12131f8b321815fa722a690f13d38e3ee9

        • C:\Windows\SysWOW64\MSWINSCK.OCX

          Filesize

          105KB

          MD5

          9484c04258830aa3c2f2a70eb041414c

          SHA1

          b242a4fb0e9dcf14cb51dc36027baff9a79cb823

          SHA256

          bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

          SHA512

          9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

        • memory/280-0-0x0000000000400000-0x0000000000443000-memory.dmp

          Filesize

          268KB

        • memory/280-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

          Filesize

          4KB

        • memory/280-11-0x0000000000400000-0x0000000000443000-memory.dmp

          Filesize

          268KB

        • memory/876-8-0x00000000001C0000-0x00000000001C1000-memory.dmp

          Filesize

          4KB

        • memory/876-12-0x0000000000400000-0x0000000000443000-memory.dmp

          Filesize

          268KB

        • memory/4724-14-0x0000000000400000-0x0000000000443000-memory.dmp

          Filesize

          268KB

        • memory/4724-16-0x00000000001C0000-0x00000000001D0000-memory.dmp

          Filesize

          64KB

        • memory/4724-31-0x0000000000400000-0x0000000000443000-memory.dmp

          Filesize

          268KB