Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 04:00

General

  • Target

    8cb289f744a3bafac8a23b64448dc080_NeikiAnalytics.exe

  • Size

    66KB

  • MD5

    8cb289f744a3bafac8a23b64448dc080

  • SHA1

    0b104f60726430d679477ecff9514e3267227fcf

  • SHA256

    d6aa28b2c2adf47ea35bf96a70feb793429327efa89f4bb98c83ef6360c8c79f

  • SHA512

    8a8bc8eb9c4af52a0b44631a36e8812ad539c558b07b4c6e070c68d47d8ebd2cea556cf15c062f406ea143b192e82d6a9b6fa54bd037ba67d2cf3699c31c1b9b

  • SSDEEP

    1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXiR:IeklMMYJhqezw/pXzH9iR

Malware Config

Signatures

  • Detects BazaLoader malware 1 IoCs

    BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests.

  • 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
  • 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\8cb289f744a3bafac8a23b64448dc080_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\8cb289f744a3bafac8a23b64448dc080_NeikiAnalytics.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2148
    • \??\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:2744
      • \??\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:4888
        • \??\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:2676
          • \??\c:\windows\system\spoolsv.exe
            c:\windows\system\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2072
          • C:\Windows\SysWOW64\at.exe
            at 04:02 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
            5⤵
              PID:2848
            • C:\Windows\SysWOW64\at.exe
              at 04:03 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              5⤵
                PID:1776
              • C:\Windows\SysWOW64\at.exe
                at 04:04 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
                5⤵
                  PID:1260

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\mrsys.exe

          Filesize

          66KB

          MD5

          5406d6dc743e6fc69b1b84c868b46908

          SHA1

          71d2795a73794dc0a8c27e136840cdb8ad5b81fe

          SHA256

          dd2070f7ff687c6002b6b0ab3f0a0f3d1b23f091e33802d231b9f34c5367b19e

          SHA512

          f345c4bafaca2e238384a4001a45c2d35e9969e65c656f969e68e17632cbafc2613fc15c950f18a28d2c0447ffa264439279a5ff86537ab1349b92fba0e61d4a

        • C:\Windows\System\explorer.exe

          Filesize

          66KB

          MD5

          31ae92996268ad3f13b3110f28f8a5be

          SHA1

          9b1a675cf36a37eacd7fa9b12afe2d69ece5b1a6

          SHA256

          c00e52122d721eedfece5f61fbdd17e2f50addfaa9fe2b70a8e8b15d5d54711d

          SHA512

          a561fa1a4d917b1a025fb062ee97c9fdbaa578513e1a4e266b44547b2d3a2d938e81694c0f1b9aaa32e82843f89b7b258e1ecbba280800f1ce764a9c6e9656af

        • C:\Windows\System\spoolsv.exe

          Filesize

          66KB

          MD5

          0993b0e55f6aebc79d723569b36e0ce5

          SHA1

          a7385c523c72f4210dc034ea6140d4f085a30cf2

          SHA256

          b538ac4b446aa78f0b13a7a56d6416c6e0b0bbf4f804823b5c40419956ee764a

          SHA512

          d58d687a5b56b428a75ef55f02afd9b3538301e021a826b1c36983e6b0633f9157db416058c662a38b860707a758b004f979466e1830cf6d6bf8895abd1b7874

        • C:\Windows\System\svchost.exe

          Filesize

          66KB

          MD5

          8bdc8efe8e8e6bfa3b93dc18d6b3c6dd

          SHA1

          550576bb6783a84e5751c7b87767d132938b2c68

          SHA256

          ab91b1ec713fe86357bfe4492fb832ed9adb120506570e3ee5d23ca578db41d2

          SHA512

          aecaccc6c4c28a6ffc78034787e96eb48d281d21f51abc6ac4f7ab063298d232901ba7de03beffeff90f8f34be83520ad2e78952e57bc099bf2ec6670b7fb699

        • memory/2072-45-0x0000000075760000-0x00000000758BD000-memory.dmp

          Filesize

          1.4MB

        • memory/2072-53-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2148-58-0x0000000000401000-0x000000000042E000-memory.dmp

          Filesize

          180KB

        • memory/2148-0-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2148-4-0x0000000000401000-0x000000000042E000-memory.dmp

          Filesize

          180KB

        • memory/2148-57-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2148-2-0x0000000075760000-0x00000000758BD000-memory.dmp

          Filesize

          1.4MB

        • memory/2148-3-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2148-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

          Filesize

          16KB

        • memory/2676-62-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2676-37-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2676-42-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2676-38-0x0000000075760000-0x00000000758BD000-memory.dmp

          Filesize

          1.4MB

        • memory/2744-13-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2744-15-0x0000000075760000-0x00000000758BD000-memory.dmp

          Filesize

          1.4MB

        • memory/2744-60-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2744-17-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2744-71-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2744-14-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/4888-55-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/4888-31-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/4888-26-0x0000000075760000-0x00000000758BD000-memory.dmp

          Filesize

          1.4MB