Analysis

  • max time kernel
    149s
  • max time network
    149s
  • 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, 09:56

General

  • Target

    5503c4cd56e97ca80c26399e1c1b8240_NEIKI.exe

  • Size

    69KB

  • MD5

    5503c4cd56e97ca80c26399e1c1b8240

  • SHA1

    cbc9da7b02bff2a1a7e203ea0cf5108ee3cc9f70

  • SHA256

    27c94f9544a75407f53021efc58c8b476769cb31c577b0014e39e136893a7ab2

  • SHA512

    564d6fccfe92ac7e62d6a88b1e2b4e9b9c0ad7cc424dd1e08e0f208d7c034b3382dab45e4ac9280f69d557ccfe453a939b887c254d016fff18c3215037c51d92

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slc:Olg35GTslA5t3/w8R

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:608
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3420
        • C:\Users\Admin\AppData\Local\Temp\5503c4cd56e97ca80c26399e1c1b8240_NEIKI.exe
          "C:\Users\Admin\AppData\Local\Temp\5503c4cd56e97ca80c26399e1c1b8240_NEIKI.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1680
          • C:\Windows\SysWOW64\ouxceseah-edor.exe
            "C:\Windows\system32\ouxceseah-edor.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:940
            • C:\Windows\SysWOW64\ouxceseah-edor.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:868

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\adkihan-ocum.dll

              Filesize

              5KB

              MD5

              f37b21c00fd81bd93c89ce741a88f183

              SHA1

              b2796500597c68e2f5638e1101b46eaf32676c1c

              SHA256

              76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

              SHA512

              252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

            • C:\Windows\SysWOW64\asloorir.exe

              Filesize

              71KB

              MD5

              f19778eced5054abfb9462748e993b64

              SHA1

              f51d4f4b5b9d677854685d67a85b42044c92cb57

              SHA256

              e3017629057804b983ffc4c94df09ed64f4483bc5b74305bdfab0a003fe25f79

              SHA512

              251cdb38fa77649d23ed417b4e70e9665b93914d9a46a4fc1ddbfb41d38b22cddfc5f2136aa01a7de59793081389de2f696f4659267361102e1eac905c31042c

            • C:\Windows\SysWOW64\atxoatet.exe

              Filesize

              72KB

              MD5

              b9462592c9b11f6f0b607f561e8cba5c

              SHA1

              0da0b800105ef5b25cb265b6d1efde0ae70dfa32

              SHA256

              43b2629733cadf395cd461b416b508729d40f3dabd4cc64e9a652523864409d4

              SHA512

              09d0718f98295fd12f319909c88ba981f2877f7329b828fe0e6dd25580649e84df1db454fcb46ccb13a86d4be1142175a63f995a3fc859cde028b311caecd7c5

            • C:\Windows\SysWOW64\ouxceseah-edor.exe

              Filesize

              69KB

              MD5

              5503c4cd56e97ca80c26399e1c1b8240

              SHA1

              cbc9da7b02bff2a1a7e203ea0cf5108ee3cc9f70

              SHA256

              27c94f9544a75407f53021efc58c8b476769cb31c577b0014e39e136893a7ab2

              SHA512

              564d6fccfe92ac7e62d6a88b1e2b4e9b9c0ad7cc424dd1e08e0f208d7c034b3382dab45e4ac9280f69d557ccfe453a939b887c254d016fff18c3215037c51d92

            • memory/868-50-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/940-49-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1680-5-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB