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, 10:34

General

  • Target

    b2df6b5a140578849d603608e3223540_NeikiAnalytics.exe

  • Size

    69KB

  • MD5

    b2df6b5a140578849d603608e3223540

  • SHA1

    6fdbdc31f0f5d1c80edf541c35373159f357f4bf

  • SHA256

    933d434a1a7a52909c4fc87406cf182fd133c6eeea475acd27d37b64ea198054

  • SHA512

    48b012da851d08b99d1d2aaa6856cfcd6bd345741b88c5cce4954bb2e5d66af73f3a12e8252f19b1f68ecd0600aec98796f9b449e036dac84f93651a89c3b660

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slx:Olg35GTslA5t3/w8Y

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 2 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:1112
        • C:\Users\Admin\AppData\Local\Temp\b2df6b5a140578849d603608e3223540_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\b2df6b5a140578849d603608e3223540_NeikiAnalytics.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2172
          • C:\Windows\SysWOW64\uvserib.exe
            "C:\Windows\system32\uvserib.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:2588
            • C:\Windows\SysWOW64\uvserib.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2504

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\eaxvugum.exe

              Filesize

              71KB

              MD5

              5baea26ba695dd8856554f41400d728d

              SHA1

              2fb9bb638307fc87bde4c8300e50c9722058ea95

              SHA256

              cd782abeef405f7357bff12eb656b7b8a66e7727771b8f10698cd9971e5f8caa

              SHA512

              be2e84e0325e5c73e0d27d2603609cdb35d245dcac071d8b9be8cd00c280d1dbe6cb8dba779d349c8f376dbb5ae013d18d2cc394f8ad141b0c1da4f8f6fe53cf

            • C:\Windows\SysWOW64\esfosoar-oucoab.dll

              Filesize

              5KB

              MD5

              f37b21c00fd81bd93c89ce741a88f183

              SHA1

              b2796500597c68e2f5638e1101b46eaf32676c1c

              SHA256

              76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

              SHA512

              252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

            • C:\Windows\SysWOW64\ubvooron.exe

              Filesize

              72KB

              MD5

              4210e5600a581713e752d93ab7bfb212

              SHA1

              a9c541a03b4bc719528f16d7e922f6f4be1d4924

              SHA256

              c5df7872c6644b5495e45413e4e3d087d660ea7b75489c306c1f180efee50b6a

              SHA512

              9eb13953ba88fad008ff9191047d75f82f8fc9298628f97ed37b5412b85001246ef8cd439e054d9fa4f07d3793c1b11b57a942f1ebd3ab53a25e8f384f2a2061

            • \Windows\SysWOW64\uvserib.exe

              Filesize

              69KB

              MD5

              b2df6b5a140578849d603608e3223540

              SHA1

              6fdbdc31f0f5d1c80edf541c35373159f357f4bf

              SHA256

              933d434a1a7a52909c4fc87406cf182fd133c6eeea475acd27d37b64ea198054

              SHA512

              48b012da851d08b99d1d2aaa6856cfcd6bd345741b88c5cce4954bb2e5d66af73f3a12e8252f19b1f68ecd0600aec98796f9b449e036dac84f93651a89c3b660

            • memory/2172-10-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2504-56-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2588-55-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB