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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 19:29

General

  • Target

    22d3f8a803dda70c24a5a97a5186409c129d5dbc6433080d9d15aa011230e7d0.exe

  • Size

    72KB

  • MD5

    8ee9f65e8263d9ac1fba34ce1a6bf461

  • SHA1

    3850e8eb4f6f9820efe048dc3cc0ea8d13e4344d

  • SHA256

    22d3f8a803dda70c24a5a97a5186409c129d5dbc6433080d9d15aa011230e7d0

  • SHA512

    89150486935d2e068be4dc61096ff4cfc1e6e5fe73e5987c239d3a59b21a13e37753355f6daaba75843e293caded6523211b44aed034e6e95db2071f089a86e2

  • SSDEEP

    1536:xPhWNc6tJBsHnsim25qCp7nwHyxTQrQRLIT8:xKR4sf25qCp7wHyxEcl

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1196
        • C:\Users\Admin\AppData\Local\Temp\22d3f8a803dda70c24a5a97a5186409c129d5dbc6433080d9d15aa011230e7d0.exe
          "C:\Users\Admin\AppData\Local\Temp\22d3f8a803dda70c24a5a97a5186409c129d5dbc6433080d9d15aa011230e7d0.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1132
          • C:\Windows\SysWOW64\ixtoxom-idor.exe
            "C:\Windows\SysWOW64\ixtoxom-idor.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Windows\SysWOW64\ixtoxom-idor.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2840

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\adxucoor.exe

        Filesize

        72KB

        MD5

        54b58cab22b733de8a8f0cf3673fe6d4

        SHA1

        9f74cbe607677f74fc8bc00702dd351836ccce5c

        SHA256

        980730414014ff6f72868ff8d37c639ff650b950df07b2dcb9e11cc479da35c9

        SHA512

        3cf7887cebc0b1de1d20425893c04e558f49a77be48290171d9372504ac78174f53999bee9e008da059c205daa51d8b0e20a007b18aed166fe1ad9e4fa191495

      • C:\Windows\SysWOW64\assudod-ocoas.exe

        Filesize

        73KB

        MD5

        6e9d75fb7261201a44bd3bd53ede1f1d

        SHA1

        0bbb7c55fd33b3a0a8be26ec38b599db3e07c7e2

        SHA256

        9860f18a9b18d49218a152abf23d01f7f01652ebf3e1d7b32768b45f25832a83

        SHA512

        f8412d7d90079162710a96adc21520aa253b9565ee5fbe145340435aa416826b07e1d263a2cb5a431f67e45302404050e438293e5091665f6a4e8ea09e76f7c4

      • C:\Windows\SysWOW64\oubnokooc.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • \Windows\SysWOW64\ixtoxom-idor.exe

        Filesize

        70KB

        MD5

        2f5a1298f2df6abff260faf544c9162e

        SHA1

        ff362a55e4b5c02a15613bfe0e23740a42c050cf

        SHA256

        7d327c4508f5f632a40d887d5b60d6a61f6225059ab094cf8eeb37efa2b33d7d

        SHA512

        48d735e41c9c9c7c4930830004dea44f7f1ea1cc00968dc5775ab8a6f3b215635b48e62efa632ba8ecf1d88771ff63930d32f7040c7e3e1ae8d69c4015506892

      • memory/1132-7-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/2012-53-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2840-54-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB