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Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 13:21

General

  • Target

    c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe

  • Size

    70KB

  • MD5

    c0e880ed6a7a0c1c7732b43ce41c7990

  • SHA1

    b90d69cdc6df9532c7e58d86e1689a9ddca211b4

  • SHA256

    32b9e02eaa6c2e3456e8d1553a883448ed95fd658435cd218c9183342c37a9bf

  • SHA512

    cf9e873baaa5813952bd0b85be9684b579e01d8c44916efa4910d7d8426ea464b3b3996f09650f3eada2dbbd2b2459eb3c3461115b2decd17e1d85de402c1f15

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8i:Olg35GTslA5t3/w8i

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
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3428
        • C:\Users\Admin\AppData\Local\Temp\c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
          "C:\Users\Admin\AppData\Local\Temp\c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4900
          • C:\Windows\SysWOW64\isreteat.exe
            "C:\Windows\system32\isreteat.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4884
            • C:\Windows\SysWOW64\isreteat.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3320

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\epxexit-acex.exe

        Filesize

        72KB

        MD5

        2c8d26cb6589fe273e56995e1fc293f2

        SHA1

        61eab2ecf2f4f1b35ec67ac7f8b7b1123d1842b3

        SHA256

        66a672b623ed86a6fed8a88f66e3ec376d7f02f47d8f17d72365f2617480e0f0

        SHA512

        ef709188e4193bbf3c0c9a172eab7c5e92f686dac18b5afbad64bf071080e3f2bc1786a7ad01ee67b4d9d568aae984c345cbfbc2b9edf132f0893e90b281a43f

      • C:\Windows\SysWOW64\ifkufoar.exe

        Filesize

        73KB

        MD5

        aa197f7f5b1f60cbbb01ff810ec99f09

        SHA1

        ded81b8f5c4c804355c6f5da354a59260c23044c

        SHA256

        bba8ac26bcd02a18c5ab9ad9607c5226165209759a928ba657678fbad4e54d52

        SHA512

        9ab1ce9c9906a589183879708abf5a7b393475bb55e09996bb10e5eec6a541bf40246ab683704916fdd7cbdefbca7acc2b28f7190962ba3a8906e922c6fd9060

      • C:\Windows\SysWOW64\isreteat.exe

        Filesize

        70KB

        MD5

        c0e880ed6a7a0c1c7732b43ce41c7990

        SHA1

        b90d69cdc6df9532c7e58d86e1689a9ddca211b4

        SHA256

        32b9e02eaa6c2e3456e8d1553a883448ed95fd658435cd218c9183342c37a9bf

        SHA512

        cf9e873baaa5813952bd0b85be9684b579e01d8c44916efa4910d7d8426ea464b3b3996f09650f3eada2dbbd2b2459eb3c3461115b2decd17e1d85de402c1f15

      • C:\Windows\SysWOW64\olfoatof-oubix.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • memory/3320-50-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4884-49-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4900-5-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB