Analysis

  • max time kernel
    177s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2023 18:27

General

  • Target

    NEAS.882b0e3a6fa4f034d7b920a80fbf0c20.exe

  • Size

    2.6MB

  • MD5

    882b0e3a6fa4f034d7b920a80fbf0c20

  • SHA1

    09700a62c0848d82096e257615fc340fa7f2768f

  • SHA256

    78a78d59eebe09d08b4851b830317fa46f06f9ad78290d44dcb1f28fe805be79

  • SHA512

    aa685817eb309e6ce39ba7a032c4ec3b00ad6cf32271d7c6eb0b1f37fb4db380317a633f9a746557173c36828718aefefa35ff508a8ef03c9ba43c2ac8caed3a

  • SSDEEP

    49152:TeS12nRc6C5CEAHD26ICQVt1ULUQRP6a6YPkCLJ37xbIjNyX5Hxzl/u:6S+c6ZEmqCMtmoQRP6aZtnsNq9l/u

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 37 IoCs
  • Drops file in Windows directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.882b0e3a6fa4f034d7b920a80fbf0c20.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.882b0e3a6fa4f034d7b920a80fbf0c20.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1208
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2636
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2516
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2508
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:2960
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:44 /f
            5⤵
            • Creates scheduled task(s)
            PID:2056
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:45 /f
            5⤵
            • Creates scheduled task(s)
            PID:864
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:2756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\Themes\explorer.exe

      Filesize

      2.6MB

      MD5

      777efd7083a2c0b002dc7f9961ddea43

      SHA1

      7d236b30c65bc91d93375024c0d74845d136231a

      SHA256

      c96466b4f044ae6fe817f09f03e9722494b6757be553dde62d011aaa268dae7e

      SHA512

      7d2e8cd30ff654fce4d0802f59446de219ded77bc05be14584f35443c29d5d2026fc8e60283efcfe5c23cb045cf061f1cd3c26eb468e4f29c3d1d271982b1f59

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      e27d986df6a7c6318c356c6579d5107b

      SHA1

      5d99e4063f1009225fb0aa4cc1ebb48417ee46c6

      SHA256

      731ac43630dbd74ec854a6c36b4fae586a1430fbce9217f007ca6f6e3fde4e83

      SHA512

      814474d4347d26e8630b0ea1b722224b50b05e1b3911ff56128e0a085dcf3f01c795a8938d60325871f0077c1c96b70c9967388c0515c85b572017761691ba58

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      e27d986df6a7c6318c356c6579d5107b

      SHA1

      5d99e4063f1009225fb0aa4cc1ebb48417ee46c6

      SHA256

      731ac43630dbd74ec854a6c36b4fae586a1430fbce9217f007ca6f6e3fde4e83

      SHA512

      814474d4347d26e8630b0ea1b722224b50b05e1b3911ff56128e0a085dcf3f01c795a8938d60325871f0077c1c96b70c9967388c0515c85b572017761691ba58

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      e27d986df6a7c6318c356c6579d5107b

      SHA1

      5d99e4063f1009225fb0aa4cc1ebb48417ee46c6

      SHA256

      731ac43630dbd74ec854a6c36b4fae586a1430fbce9217f007ca6f6e3fde4e83

      SHA512

      814474d4347d26e8630b0ea1b722224b50b05e1b3911ff56128e0a085dcf3f01c795a8938d60325871f0077c1c96b70c9967388c0515c85b572017761691ba58

    • C:\Windows\Resources\svchost.exe

      Filesize

      2.6MB

      MD5

      bae6edbdca826806064335c08b9e66cb

      SHA1

      bf947702c6d87be27ef92266abca6e99dae9d91a

      SHA256

      8f2d886d1f8dbf44ce2e228e673e938b85c3dc9cb61335a787e7714b0d1c4149

      SHA512

      b028d0df4bd9d5b0c61667b9c72331b577675b91e0cfd90c9bff9ea2813586ba22bcf16b0b1270ef07e8cfef140b8057ef25f4e7084c7dd6bd2fa717998f9622

    • \??\c:\windows\resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      e27d986df6a7c6318c356c6579d5107b

      SHA1

      5d99e4063f1009225fb0aa4cc1ebb48417ee46c6

      SHA256

      731ac43630dbd74ec854a6c36b4fae586a1430fbce9217f007ca6f6e3fde4e83

      SHA512

      814474d4347d26e8630b0ea1b722224b50b05e1b3911ff56128e0a085dcf3f01c795a8938d60325871f0077c1c96b70c9967388c0515c85b572017761691ba58

    • \??\c:\windows\resources\svchost.exe

      Filesize

      2.6MB

      MD5

      bae6edbdca826806064335c08b9e66cb

      SHA1

      bf947702c6d87be27ef92266abca6e99dae9d91a

      SHA256

      8f2d886d1f8dbf44ce2e228e673e938b85c3dc9cb61335a787e7714b0d1c4149

      SHA512

      b028d0df4bd9d5b0c61667b9c72331b577675b91e0cfd90c9bff9ea2813586ba22bcf16b0b1270ef07e8cfef140b8057ef25f4e7084c7dd6bd2fa717998f9622

    • \??\c:\windows\resources\themes\explorer.exe

      Filesize

      2.6MB

      MD5

      777efd7083a2c0b002dc7f9961ddea43

      SHA1

      7d236b30c65bc91d93375024c0d74845d136231a

      SHA256

      c96466b4f044ae6fe817f09f03e9722494b6757be553dde62d011aaa268dae7e

      SHA512

      7d2e8cd30ff654fce4d0802f59446de219ded77bc05be14584f35443c29d5d2026fc8e60283efcfe5c23cb045cf061f1cd3c26eb468e4f29c3d1d271982b1f59

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      2.6MB

      MD5

      777efd7083a2c0b002dc7f9961ddea43

      SHA1

      7d236b30c65bc91d93375024c0d74845d136231a

      SHA256

      c96466b4f044ae6fe817f09f03e9722494b6757be553dde62d011aaa268dae7e

      SHA512

      7d2e8cd30ff654fce4d0802f59446de219ded77bc05be14584f35443c29d5d2026fc8e60283efcfe5c23cb045cf061f1cd3c26eb468e4f29c3d1d271982b1f59

    • \Windows\Resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      e27d986df6a7c6318c356c6579d5107b

      SHA1

      5d99e4063f1009225fb0aa4cc1ebb48417ee46c6

      SHA256

      731ac43630dbd74ec854a6c36b4fae586a1430fbce9217f007ca6f6e3fde4e83

      SHA512

      814474d4347d26e8630b0ea1b722224b50b05e1b3911ff56128e0a085dcf3f01c795a8938d60325871f0077c1c96b70c9967388c0515c85b572017761691ba58

    • \Windows\Resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      e27d986df6a7c6318c356c6579d5107b

      SHA1

      5d99e4063f1009225fb0aa4cc1ebb48417ee46c6

      SHA256

      731ac43630dbd74ec854a6c36b4fae586a1430fbce9217f007ca6f6e3fde4e83

      SHA512

      814474d4347d26e8630b0ea1b722224b50b05e1b3911ff56128e0a085dcf3f01c795a8938d60325871f0077c1c96b70c9967388c0515c85b572017761691ba58

    • \Windows\Resources\svchost.exe

      Filesize

      2.6MB

      MD5

      bae6edbdca826806064335c08b9e66cb

      SHA1

      bf947702c6d87be27ef92266abca6e99dae9d91a

      SHA256

      8f2d886d1f8dbf44ce2e228e673e938b85c3dc9cb61335a787e7714b0d1c4149

      SHA512

      b028d0df4bd9d5b0c61667b9c72331b577675b91e0cfd90c9bff9ea2813586ba22bcf16b0b1270ef07e8cfef140b8057ef25f4e7084c7dd6bd2fa717998f9622

    • memory/1208-13-0x0000000004130000-0x0000000004A81000-memory.dmp

      Filesize

      9.3MB

    • memory/1208-55-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1208-9-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/1208-8-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1208-50-0x0000000004130000-0x0000000004A81000-memory.dmp

      Filesize

      9.3MB

    • memory/1208-0-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1208-7-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1208-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/1208-65-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-76-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-78-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-72-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-47-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-96-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-94-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-73-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-51-0x0000000004180000-0x0000000004AD1000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-90-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-86-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-84-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-82-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-42-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2508-74-0x0000000004180000-0x0000000004AD1000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-61-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-80-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2508-71-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2516-67-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2516-66-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2516-59-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2516-63-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2516-29-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2516-39-0x0000000003F20000-0x0000000004871000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-58-0x0000000004070000-0x00000000049C1000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-83-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-95-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-16-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2636-75-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-15-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-77-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-93-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-91-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-81-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-57-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-70-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-56-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2636-85-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-25-0x0000000004070000-0x00000000049C1000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-87-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-89-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2636-53-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2960-62-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2960-64-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2960-49-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2960-69-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2960-48-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB