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Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 10:20

General

  • Target

    60359c61e4da069cec093a2dd1196370_NEIKI.exe

  • Size

    71KB

  • MD5

    60359c61e4da069cec093a2dd1196370

  • SHA1

    fba7471e02c8247c862b52cff60826526027bac8

  • SHA256

    69cfbee35bd146843d49f423b278ccff7e5551d9bee626f64483a340168d0ef8

  • SHA512

    e8fc625e6fbf8e4e483d976147c6d8f6d29af027e7a940ca39f92cf10995c64fc7a724fcca46029675e98c0f5db587fb21588c711162d33b2e1a45b3683608ef

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slt: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:600
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3484
        • C:\Users\Admin\AppData\Local\Temp\60359c61e4da069cec093a2dd1196370_NEIKI.exe
          "C:\Users\Admin\AppData\Local\Temp\60359c61e4da069cec093a2dd1196370_NEIKI.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2656
          • C:\Windows\SysWOW64\epbiveak-sed.exe
            "C:\Windows\system32\epbiveak-sed.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:3804
            • C:\Windows\SysWOW64\epbiveak-sed.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3060

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\elfeakoap-tix.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\epbiveak-sed.exe

        Filesize

        71KB

        MD5

        60359c61e4da069cec093a2dd1196370

        SHA1

        fba7471e02c8247c862b52cff60826526027bac8

        SHA256

        69cfbee35bd146843d49f423b278ccff7e5551d9bee626f64483a340168d0ef8

        SHA512

        e8fc625e6fbf8e4e483d976147c6d8f6d29af027e7a940ca39f92cf10995c64fc7a724fcca46029675e98c0f5db587fb21588c711162d33b2e1a45b3683608ef

      • C:\Windows\SysWOW64\fkoamooh.exe

        Filesize

        74KB

        MD5

        a4a869b2338c4161c5a30b2c761472a3

        SHA1

        085619d959e724e93c70f042e702d5ee43b1895a

        SHA256

        7425d764eeb618fabc936b1efb597c7056c72b55f511c1ef4a3393ba33939261

        SHA512

        7de967a247c553c2bfce0edd023849243dbe5ccb58b436747212f13e2ebc7568ae36d65d7391fae3561417045365dc3062cc87569e455e33b7bc8e9d5ac1f2c1

      • C:\Windows\SysWOW64\kretub-asat.exe

        Filesize

        73KB

        MD5

        2133b80a803cc81f1594bad98d0cfa57

        SHA1

        c52ecca666bf388862d75a7ce78142408ecc9797

        SHA256

        eb71fa4e21b9e38fa645308babf8b03e7337120fe559f482040d58e49e515c61

        SHA512

        3436c734c64e242c0e1bd0c1d84b371cd086e605db79fd285092b7999e2871c4858867268b92fd30db70c7c061f295fb88c45526cc41ced93be0a406604e8a6f

      • memory/2656-5-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3060-50-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3804-49-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB