Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 18:21

General

  • Target

    0663610695c856638c9832f75ffc61b37a68ffb6c0ee702cc58f3b91fb124c6c.exe

  • Size

    89KB

  • MD5

    65191e0dc05876a36f10d70c851e81a4

  • SHA1

    042cbb5b36e36955470b9494a07cc9b816de33bd

  • SHA256

    0663610695c856638c9832f75ffc61b37a68ffb6c0ee702cc58f3b91fb124c6c

  • SHA512

    6ca2205b4281ffd21f49522952fdfffca80c89e7b88cf6f89277c11ab43bbb5133e18722062581e47df4452337496ad534343e79c0e1c799670d4675ec131976

  • SSDEEP

    1536:71sMveb4lR0daHy9v7Zc86y9U4AFRfBWAEn9:BDeb4T0daHy9DZc86yGUtn9

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Detects executables packed with ASPack 24 IoCs
  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 20 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 2 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0663610695c856638c9832f75ffc61b37a68ffb6c0ee702cc58f3b91fb124c6c.exe
    "C:\Users\Admin\AppData\Local\Temp\0663610695c856638c9832f75ffc61b37a68ffb6c0ee702cc58f3b91fb124c6c.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 use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2184
    • 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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2616
      • 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
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2600
        • F:\recycled\SVCHOST.EXE
          F:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2400
        • 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
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2800
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:344
          • F:\recycled\SVCHOST.EXE
            F:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2660
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2632
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2056
      • C:\Windows\SysWOW64\userinit.exe
        C:\Windows\system32\userinit.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          4⤵
            PID:2292
      • F:\recycled\SVCHOST.EXE
        F:\recycled\SVCHOST.EXE :agent
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:872
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2024
      • 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\0663610695c856638c9832f75ffc61b37a68ffb6c0ee702cc58f3b91fb124c6c.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:2104
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          3⤵
            PID:1196

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1KB

        MD5

        0269b6347e473980c5378044ac67aa1f

        SHA1

        c3334de50e320ad8bce8398acff95c363d039245

        SHA256

        68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

        SHA512

        e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

      • C:\begolu.txt

        Filesize

        2B

        MD5

        2b9d4fa85c8e82132bde46b143040142

        SHA1

        a02431cf7c501a5b368c91e41283419d8fa9fb03

        SHA256

        4658d6abbbaf7748c172ed5a3e003cdb8997648f88724834e41f75e54520e142

        SHA512

        c37f27b442d578e94db6e5d879d026b0b3457f42b99ec56a9cb6fca3161540a32e207b942ef2ddb7be01fa9245ba4d8c859978a0f9a498c1ad8aa46d0890e6be

      • F:\Recycled\SVCHOST.EXE

        Filesize

        89KB

        MD5

        e10b0acb82b73cbe8bb2c541595d86a6

        SHA1

        56a0a6fef25aaf5569f77040608ad992e52b0a45

        SHA256

        80cc2b259a945699f9cb3f1517e3ac622bea88c8b5a0b725812b6c6d4f0b0904

        SHA512

        2f7ef3ed9c6f84a1e6ea685103b98717d4b7f39f9c5b1e07ceab1d7de8de42bed3bce73f099988992eda9981e4c6ca6d76f3b56e18ec9235c5f3c6e41826d703

      • \Recycled\SPOOLSV.EXE

        Filesize

        89KB

        MD5

        cb81e5abed4f3fb3c5aa3c4049552e49

        SHA1

        04044d8b7ca7b8601fb6c941c91e1d9614909e6f

        SHA256

        63b1ffeac0e8f5898190531354891ccce7f7a94e55dd7705cad9916779eec8f9

        SHA512

        3664c724f35631a6808f0ef9e90ea92fa2012ad9728d9b77cb4fd6236fc707fd16a416ea99fcb7c5378cef4cdda34a88ddf422259abe4cc7685991f90ce01bae

      • \Recycled\SVCHOST.EXE

        Filesize

        89KB

        MD5

        0292f93cb965b106f0ab0fe73c3fe6ed

        SHA1

        b757af17809f0543a0aebef42010fe0aa38570b5

        SHA256

        c59cb87db86a499221e1ba8e5673daf3d76cec077e09b2cd8936bad8a74dbb21

        SHA512

        eeac50aa4c9c907454f535dd22e0724d56c8dabddccfd664c397a397687f1689c480459d90487597111e61bb809c313689dfd2eb08d5e096d382918b50659ef9

      • memory/344-76-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/344-74-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/872-103-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/872-105-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2024-109-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2024-112-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2056-96-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2056-95-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2104-115-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/2184-114-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2184-108-0x0000000000520000-0x000000000053A000-memory.dmp

        Filesize

        104KB

      • memory/2184-113-0x00000000047A0000-0x00000000047B0000-memory.dmp

        Filesize

        64KB

      • memory/2184-102-0x0000000000520000-0x000000000053A000-memory.dmp

        Filesize

        104KB

      • memory/2184-23-0x0000000000520000-0x000000000053A000-memory.dmp

        Filesize

        104KB

      • memory/2184-0-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2184-17-0x0000000000520000-0x000000000053A000-memory.dmp

        Filesize

        104KB

      • memory/2400-58-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2600-53-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2616-34-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2624-94-0x00000000022A0000-0x00000000022BA000-memory.dmp

        Filesize

        104KB

      • memory/2624-24-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2624-39-0x00000000022A0000-0x00000000022BA000-memory.dmp

        Filesize

        104KB

      • memory/2624-40-0x00000000022A0000-0x00000000022BA000-memory.dmp

        Filesize

        104KB

      • memory/2632-87-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2632-88-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2660-79-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2660-83-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2696-41-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2696-55-0x00000000026B0000-0x00000000026CA000-memory.dmp

        Filesize

        104KB

      • memory/2696-48-0x0000000002670000-0x000000000268A000-memory.dmp

        Filesize

        104KB

      • memory/2800-73-0x00000000003D0000-0x00000000003EA000-memory.dmp

        Filesize

        104KB

      • memory/2800-63-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB