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Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24/05/2024, 21:47

General

  • Target

    52a80986112c040597d3f1960d4d2624f4186dcc09bcb6c6f6fce143eb512c53.exe

  • Size

    97KB

  • MD5

    480412c2c0d22dc5b03edcfe75dc1b5c

  • SHA1

    5e476973313e9fbeab892d3d6101093f3b42bf1a

  • SHA256

    52a80986112c040597d3f1960d4d2624f4186dcc09bcb6c6f6fce143eb512c53

  • SHA512

    33e4f2e9c74a26cde8301063e370d5bec63f844037b01b382ab87a668c77262c5471103f48083aee72401e2fd752ab10f87040457c7ff0b1f0b30786a5e3273a

  • SSDEEP

    1536:4a3+ddygX7y9v7Z+NoykJHBOAFRfBjG3YdoIn:J8dfX7y9DZ+N7eB+tIn

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 21 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52a80986112c040597d3f1960d4d2624f4186dcc09bcb6c6f6fce143eb512c53.exe
    "C:\Users\Admin\AppData\Local\Temp\52a80986112c040597d3f1960d4d2624f4186dcc09bcb6c6f6fce143eb512c53.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\recycled\SVCHOST.EXE
      C:\recycled\SVCHOST.EXE :agent
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:376
      • F:\recycled\SVCHOST.EXE
        F:\recycled\SVCHOST.EXE :agent
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates connected drives
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2864
        • F:\recycled\SVCHOST.EXE
          F:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2860
        • C:\recycled\SPOOLSV.EXE
          C:\recycled\SPOOLSV.EXE :agent
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Enumerates connected drives
          • Drops file in Windows directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2540
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2444
          • F:\recycled\SVCHOST.EXE
            F:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2504
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2488
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1492
    • F:\recycled\SVCHOST.EXE
      F:\recycled\SVCHOST.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2004
    • C:\recycled\SPOOLSV.EXE
      C:\recycled\SPOOLSV.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1240
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\52a80986112c040597d3f1960d4d2624f4186dcc09bcb6c6f6fce143eb512c53.doc"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

      Filesize

      2KB

      MD5

      1a1dce35d60d2c70ca8894954fd5d384

      SHA1

      58547dd65d506c892290755010d0232da34ee000

      SHA256

      2661c05273f33efa4b7faa6ed8a6f7e69a13ad86077f69ee285ece9cba57e44c

      SHA512

      4abe37613145fabeb44ea4c28ecc827c8a0eb2b003e86ae7aef9be5687711fa7a294f17567ea0a70a6f14ab3cbe7886c83763a7c49278097fd53f0d11fd8154e

    • C:\Windows\Fonts\ Explorer.exe

      Filesize

      97KB

      MD5

      cade6f31a7020eadeb8daa9fed45f9de

      SHA1

      02692d3bad3276f85c8ea014142d91779aa64458

      SHA256

      4d44faeeea56e714509280cc7ac25b777bffa6b3194c88f2300d8a44bb95f250

      SHA512

      0380daa9606393221c3e2b1956ececdadcb03228f259e92a37031a6550d12b1e097ce4fdcd2c9a19f2a3d54ef052f2e041a57a4a04adb08e930b2d44a1a15d8f

    • C:\Windows\Fonts\ Explorer.exe

      Filesize

      97KB

      MD5

      4ec1ddf94fc20c135ee59703caaeb4e7

      SHA1

      748e23ed674c765f03dd32fca2b8a21b0031f215

      SHA256

      7ffbc2840e8e6ea80249f3e6ebf58250ccf730a5fc0c43fa797d3ace1c127bc0

      SHA512

      ce3b2675416b4c81fa17b912c7c29378a2093c05afb16512b4cd3e8973f220e7b96958800c4c70e7ce5d0fb562013542db108e5bb2ad9a27347c05d43582bb90

    • C:\begolu.txt

      Filesize

      2B

      MD5

      2b9d4fa85c8e82132bde46b143040142

      SHA1

      a02431cf7c501a5b368c91e41283419d8fa9fb03

      SHA256

      4658d6abbbaf7748c172ed5a3e003cdb8997648f88724834e41f75e54520e142

      SHA512

      c37f27b442d578e94db6e5d879d026b0b3457f42b99ec56a9cb6fca3161540a32e207b942ef2ddb7be01fa9245ba4d8c859978a0f9a498c1ad8aa46d0890e6be

    • F:\Recycled\SVCHOST.EXE

      Filesize

      97KB

      MD5

      8ae21c598e6b57780368b0e0de29ee2f

      SHA1

      69904c126cd4a0a9dc0e6cf9cac82960f4d097b8

      SHA256

      75c4885dacdf5c1ed8f9e436ad661a21a3550b09e811e074ea550a832bc60035

      SHA512

      0bb7d3a6d80c6c72490fdcb4c4addf5baf60634c8b50a05801801661c6bb8bb4387b49faada6a4dedec227765057574045215600125fbf53c869345126b2a6cd

    • \Recycled\SPOOLSV.EXE

      Filesize

      97KB

      MD5

      ba56b2e7367f1974b7983148e9851df4

      SHA1

      2d1ca3ab17d8c401e03b234735e3decb580d7596

      SHA256

      fa8822e01511201ff389d8c43d0a845e2011c7e4cd7945decf816755b349053c

      SHA512

      459774ac9edd8d16b9df0f87de764192f8cc5c52b02e5ce935ace7c03c7239f3ff63ec383a2ed50409e6e2fb6dfb10d71e04dfc26ef8115367e8ab136531ee52

    • \Recycled\SVCHOST.EXE

      Filesize

      97KB

      MD5

      5d991bf61072dc47bbf6400efab0c5cc

      SHA1

      f3df52f4afad6f22d60756228e0f8dd00dd2b435

      SHA256

      429f33a54b5dbfe4b93052e226f3bca8889c33a60ed1a58cdac91e8795c2e31f

      SHA512

      8f6eb9228f41f5f5c00f5ae68f317a8772a160bd83c8dda550d0703dd686cfc225138cf31d7004f7337a6497d9875f0b3dfab475f3fb64b31c9e833deba569f1

    • memory/376-36-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/376-39-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1240-113-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1492-98-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1492-101-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1712-23-0x00000000024F0000-0x0000000002511000-memory.dmp

      Filesize

      132KB

    • memory/1712-114-0x00000000048B0000-0x00000000048C0000-memory.dmp

      Filesize

      64KB

    • memory/1712-116-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1712-24-0x00000000024F0000-0x0000000002511000-memory.dmp

      Filesize

      132KB

    • memory/1712-0-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1912-117-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2004-108-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2444-83-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2488-94-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2488-93-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2504-90-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2596-45-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2596-67-0x0000000002540000-0x0000000002561000-memory.dmp

      Filesize

      132KB

    • memory/2596-56-0x0000000002540000-0x0000000002561000-memory.dmp

      Filesize

      132KB

    • memory/2596-53-0x0000000000820000-0x0000000000841000-memory.dmp

      Filesize

      132KB

    • memory/2596-70-0x0000000002540000-0x0000000002561000-memory.dmp

      Filesize

      132KB

    • memory/2744-44-0x00000000004B0000-0x00000000004D1000-memory.dmp

      Filesize

      132KB

    • memory/2744-35-0x00000000004B0000-0x00000000004D1000-memory.dmp

      Filesize

      132KB

    • memory/2744-25-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2744-149-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2744-150-0x00000000004B0000-0x00000000004D1000-memory.dmp

      Filesize

      132KB

    • memory/2860-66-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2864-60-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB