Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 03:23

General

  • Target

    81b14e7d9551cc7f2835fd1777ac7940_NeikiAnalytics.exe

  • Size

    73KB

  • MD5

    81b14e7d9551cc7f2835fd1777ac7940

  • SHA1

    b232a5f0992cc93ccc01d7f3b961d0cdfd3677dd

  • SHA256

    37e9666756956230655c0b711f6028e3b17f9b8e2a43b8dda60ef339f52f5e8b

  • SHA512

    faa2b514f812c3044a515cd6aef4c729a4f4f003c737706387cc923bd789c2942a1e279e5539501e6a9d0b6a99bfaea3a0cb6248e7c392bd760a14b88b6d3ef3

  • SSDEEP

    1536:xl6p585dpr3KCUGCsqq2ku2S+Se0uyMWmiCeiq+uKQy6+2OOSGwm6S+yaG2quiCu:f6XY/3KCUGCsqq2ku2S+Se0uyMWmiCeZ

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 1 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:3404
        • C:\Users\Admin\AppData\Local\Temp\81b14e7d9551cc7f2835fd1777ac7940_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\81b14e7d9551cc7f2835fd1777ac7940_NeikiAnalytics.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:3596
          • C:\Windows\SysWOW64\idvovir-emum.exe
            "C:\Windows\SysWOW64\idvovir-emum.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:536
            • C:\Windows\SysWOW64\idvovir-emum.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:1712

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      3
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Winlogon Helper DLL

      1
      T1547.004

      Privilege Escalation

      Boot or Logon Autostart Execution

      3
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Winlogon Helper DLL

      1
      T1547.004

      Defense Evasion

      Impair Defenses

      2
      T1562

      Disable or Modify Tools

      2
      T1562.001

      Modify Registry

      5
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\eaglufah.dll
        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\idvovir-emum.exe
        Filesize

        71KB

        MD5

        a4672f594e86049178bba7477605cb8b

        SHA1

        c1316474f8b9e3b8867ad5129b57a8d1a195539f

        SHA256

        e78488cdc0e3f1247d54c234aefad19a8d19fe629b107a3ad5d5d716e5acefc2

        SHA512

        839ea317f17302cb44f3665e58ac77882cd481c6cca6b48230e4b238bcaa717f73eb177523cc63f8352002877d7be46a85d8366f5905cd2eca58680a96234c05

      • C:\Windows\SysWOW64\oubgoapead.exe
        Filesize

        74KB

        MD5

        5684c72de9d1b2c9f42e3b9bee6f8de4

        SHA1

        913c443ef5bc99ad6d3357fd6f98d2ca7d210d87

        SHA256

        769bab08121d4bcaa4bb110b6d9649a519e1e1239ce0db4fbd6a5bb224794844

        SHA512

        09a4e6873974336947f444ce934ce4d81b4c531d20286e3d7d2dad1184397005ebac0bbb329973a4e8ba5c6843b828786925e8f3a1dc474a1eadce667893de97

      • C:\Windows\SysWOW64\ucgonud.exe
        Filesize

        73KB

        MD5

        f52926dfcbca226d18428f28e756fc07

        SHA1

        e9e5adc34940c6dd59fba674d7bfc782bd45f68c

        SHA256

        6a743aa075ecd42d0d167933becddf739dca6362c2a711821c61e1bb8ea9cfe9

        SHA512

        7591b32d5dd6126c646b96f7f425243a703dcc8e8b04ead3e0d8ba53c9f2df23235d7b5bf9f42d739aa2e88b9ec6ad849811bccebac5023ab34fda4368b569ce

      • memory/536-47-0x0000000000400000-0x0000000000414000-memory.dmp
        Filesize

        80KB

      • memory/1712-48-0x0000000000400000-0x0000000000414000-memory.dmp
        Filesize

        80KB

      • memory/3596-4-0x0000000000400000-0x0000000000403000-memory.dmp
        Filesize

        12KB