Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 18:33

General

  • Target
    0bc889019afae9d8f0abd4d4f24bd8dbacdaf13ac078f42b3cc4bb0a41c40085.exe
  • Size 97KB
  • Sample240526-w697fafe7x
  • SHA256 0bc889019afae9d8f0abd4d4f24bd8dbacdaf13ac078f42b3cc4bb0a41c40085
  • MD5 SHA1 SHA512 SSDEEP
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\0bc889019afae9d8f0abd4d4f24bd8dbacdaf13ac078f42b3cc4bb0a41c40085.exe
    "C:\Users\Admin\AppData\Local\Temp\0bc889019afae9d8f0abd4d4f24bd8dbacdaf13ac078f42b3cc4bb0a41c40085.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:2860
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2580
      • 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:2544
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2448
        • F:\recycled\SVCHOST.EXE
          F:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2480
        • 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:2444
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1804
          • F:\recycled\SVCHOST.EXE
            F:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1860
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2744
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2872
    • F:\recycled\SVCHOST.EXE
      F:\recycled\SVCHOST.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2900
    • C:\recycled\SPOOLSV.EXE
      C:\recycled\SPOOLSV.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2148
    • 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\0bc889019afae9d8f0abd4d4f24bd8dbacdaf13ac078f42b3cc4bb0a41c40085.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:2308
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2800

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Flu Burung.txt

          • Path C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt
          • Size 2KB
          • SHA256 2661c05273f33efa4b7faa6ed8a6f7e69a13ad86077f69ee285ece9cba57e44c
          • MD5 SHA1 SHA512

           Explorer.exe

          • Path C:\Windows\Fonts\ Explorer.exe
          • Size 97KB
          • SHA256 7e6e5284a537f2cde283da42b3caabe273245e299f7ab8d4d47ed6e5f730b6c1
          • MD5 SHA1 SHA512 SSDEEP

           Explorer.exe

          • Path C:\Windows\Fonts\ Explorer.exe
          • Size 97KB
          • SHA256 579f204e537354b0e4bf11f7aed2033437fd17535854d7f0f95fa8ce9eff10e3
          • MD5 SHA1 SHA512 SSDEEP

           Explorer.exe

          • Path C:\Windows\Fonts\ Explorer.exe
          • Size 97KB
          • SHA256 218f89df94336f47a3c0e23a796d08e4d410ab3f4ac7755753b618083444b576
          • MD5 SHA1 SHA512 SSDEEP

          begolu.txt

          • Path C:\begolu.txt
          • Size 2B
          • SHA256 4658d6abbbaf7748c172ed5a3e003cdb8997648f88724834e41f75e54520e142
          • MD5 SHA1 SHA512

          SPOOLSV.EXE

          • Path C:\recycled\SPOOLSV.EXE
          • Size 97KB
          • SHA256 192e6a9fc8777be9d42bfa43731b86f393f2723c599345e021aedb8a3f756ac5
          • MD5 SHA1 SHA512 SSDEEP

          SVCHOST.EXE

          • Path F:\Recycled\SVCHOST.EXE
          • Size 97KB
          • SHA256 dc7faa2fc3384fed51f5afbf1c6b2921ae0c0a93eb8da9fb66a6440cf786bdb3
          • MD5 SHA1 SHA512 SSDEEP

          SVCHOST.EXE

          • Path \Recycled\SVCHOST.EXE
          • Size 97KB
          • SHA256 91a2190392a91d18714070a41055a71507cf001b510ad1c2b8907592f572e05f
          • MD5 SHA1 SHA512 SSDEEP

          memory/1804-83-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/1804-81-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2148-113-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2308-117-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2444-80-0x0000000003100000-0x0000000003121000-memory.dmp

          memory/2444-69-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2448-57-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2480-61-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2480-63-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2544-54-0x0000000001DF0000-0x0000000001E11000-memory.dmp

          memory/2544-149-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2544-53-0x0000000001DF0000-0x0000000001E11000-memory.dmp

          memory/2580-38-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2744-92-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2744-93-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2860-22-0x0000000003C00000-0x0000000003C21000-memory.dmp

          memory/2860-23-0x0000000003C00000-0x0000000003C21000-memory.dmp

          memory/2860-116-0x0000000000400000-0x0000000000421000-memory.dmp

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

          memory/2860-114-0x00000000049B0000-0x00000000049C0000-memory.dmp

          memory/2872-100-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2900-106-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/2900-109-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/3000-95-0x0000000001E10000-0x0000000001E31000-memory.dmp

          memory/3000-41-0x0000000001E10000-0x0000000001E31000-memory.dmp

          memory/3000-34-0x0000000001E10000-0x0000000001E31000-memory.dmp

          memory/3000-147-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/3000-27-0x0000000000400000-0x0000000000421000-memory.dmp