Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 13:57

General

  • Target

    bb625363dfd4352ec8a87b417ba50270_NeikiAnalytics.exe

  • Size

    72KB

  • MD5

    bb625363dfd4352ec8a87b417ba50270

  • SHA1

    ab23e674286169c0aa6dabb3a8c042aefaf8f3b0

  • SHA256

    32598fcb7626280cc77475a92561ee15c19bc1a4db3e5ee79c293b420515ebd2

  • SHA512

    9698174930eebe8173fd9e23a4c1f5436685274818bf0618cdafad468089c6923901e7475ea3cc3ebe29db1e1fe614a75f3edd267a5a508ded05289906341468

  • SSDEEP

    768:x/nAevU3u+VNDkC0H9ALW/Z0dPWyYzTnLlNey1GJrDKkHMKejknCMBuQDXdT/fPq:xL8XDkBdUWcnYvnLl7PkHMFGu4XtPq

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:1224
        • C:\Users\Admin\AppData\Local\Temp\bb625363dfd4352ec8a87b417ba50270_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\bb625363dfd4352ec8a87b417ba50270_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1460
          • C:\Windows\SysWOW64\essixean-oucoas.exe
            "C:\Windows\SysWOW64\essixean-oucoas.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:2832
            • C:\Windows\SysWOW64\essixean-oucoas.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2940

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\onpumec.exe

        Filesize

        72KB

        MD5

        c612a4c7b7e45b5716258799c4f82318

        SHA1

        556246cba54724ecbebbb2aab339f7d9ac8ffb79

        SHA256

        e90f0d469795f2a61d157ea7b3a332bbb2793d0a5984924435e2eb6e34aad758

        SHA512

        e1578e1ab6015eb5ff82352b5f95fd9379621b52638ee38244ec3bc231336caef8838c38ab55bdb140d6ea47839ead084a8d309ede0d8a7b3d1340b28d0616ad

      • C:\Windows\SysWOW64\oullosed-fix.exe

        Filesize

        73KB

        MD5

        89fe2198b7d672c20a75007eab5c94f9

        SHA1

        136d5461d1e1ee70bda7f6071373cc2a06b5e4f0

        SHA256

        f93d2e7e2d431c9036485e7e8290fc30bdf6ddb651ce6f91dcfa66c724365d64

        SHA512

        b0dfb6d91c3d4feee7fa1d5f9fea5a42460ff8d03e86c6afcb69f1937e202a7d382c81ef5399184270a51ccdef06c2ca025556cfba1d57a55aa42c335667c416

      • C:\Windows\SysWOW64\uphecac-acex.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • \Windows\SysWOW64\essixean-oucoas.exe

        Filesize

        70KB

        MD5

        9f0c72ab712fa43e13a3d64a0854c075

        SHA1

        de4902c1be2f38ce8b20f2fafb0a411e4777700f

        SHA256

        90ee840e4a384721338f923d5d6ac227827abaf2044f7783765b7d52e810a153

        SHA512

        37f4bc87da49beb818371853e1cd046c0c981e9098d7b144c33286f4b14d7557b390a4df77e12e75b0c262b3ec282539b102333489f78e0b818c7bdb8620bf68

      • memory/1460-7-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/2832-53-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2940-54-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB