Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 04:35

General

  • Target
    9bc28921c5022333a8e52ccc0d2a67a0_NeikiAnalytics.exe
  • Size 225KB
  • Sample240603-e76f7sbe9z
  • SHA256 6af574f761ae76b680b0da61cc945b33b0bf4bbcfd635814ca8393b4c3961685
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 8 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bc28921c5022333a8e52ccc0d2a67a0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\9bc28921c5022333a8e52ccc0d2a67a0_NeikiAnalytics.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3228
    • \??\c:\windows\system\explorer.exe
      c:\windows\system\explorer.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Modifies Installed Components in the registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3540
      • \??\c:\windows\system\spoolsv.exe
        c:\windows\system\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1772
        • \??\c:\windows\system\svchost.exe
          c:\windows\system\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visiblity of hidden/system files in Explorer
          • Modifies Installed Components in the registry
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1248
          • \??\c:\windows\system\spoolsv.exe
            c:\windows\system\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3096
          • C:\Windows\SysWOW64\at.exe
            at 04:37 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
            5⤵
              PID:1648
            • C:\Windows\SysWOW64\at.exe
              at 04:38 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              5⤵
                PID:1636
              • C:\Windows\SysWOW64\at.exe
                at 04:39 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
                5⤵
                  PID:2044

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              mrsys.exe

              • Path C:\Users\Admin\AppData\Roaming\mrsys.exe
              • Size 225KB
              • SHA256 807dc521a73d072381d2fee2e57db1f6865757b034fec368a95b70c5b45b1f44
              • MD5 SHA1 SHA512 SSDEEP

              explorer.exe

              • Path C:\Windows\System\explorer.exe
              • Size 225KB
              • SHA256 377439310d1d1a2bf60c4c35037a0148d128c25d0e619db125280abfa4a8b1f1
              • MD5 SHA1 SHA512 SSDEEP

              spoolsv.exe

              • Path C:\Windows\System\spoolsv.exe
              • Size 225KB
              • SHA256 edbad86fedb6100deda43713b786d4b1229129d2746fc785625fac36d1a06ac3
              • MD5 SHA1 SHA512 SSDEEP

              svchost.exe

              • Path C:\Windows\System\svchost.exe
              • Size 225KB
              • SHA256 dc728947644e2ba38b2d17611b2ea961a27e85b0636c9723d782e36fdc3f5f20
              • MD5 SHA1 SHA512 SSDEEP

              memory/1248-40-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/1772-36-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/3096-29-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/3096-33-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/3228-0-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/3228-37-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/3540-39-0x0000000000400000-0x0000000000435000-memory.dmp