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
    10-06-2024 23:16

General

  • Target

    6fbf905667e5166c2080cf299014612c39d8b4406bd27cdc17f697dbfbe724d7.exe

  • Size

    86KB

  • MD5

    ba43943544b7864a8291a78e130e6192

  • SHA1

    39b5cd295d0650ba6be98ef99ee020496fe29050

  • SHA256

    6fbf905667e5166c2080cf299014612c39d8b4406bd27cdc17f697dbfbe724d7

  • SHA512

    5b4ca4127b7eb68e44a8684de8fb49274366a1c5c9a92448bf7853e4b67f5f4a78a5b324f35657eeffd1c1566924dbe961bce24e0aa5d8a39f9de02fce101101

  • SSDEEP

    1536:Ha3+ddygX7y9v7Z+NoykJHBOAFRfBjG3EdoIT:68dfX7y9DZ+N7eB+hIT

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\6fbf905667e5166c2080cf299014612c39d8b4406bd27cdc17f697dbfbe724d7.exe
    "C:\Users\Admin\AppData\Local\Temp\6fbf905667e5166c2080cf299014612c39d8b4406bd27cdc17f697dbfbe724d7.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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:2552
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2884
      • 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:2468
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2796
        • F:\recycled\SVCHOST.EXE
          F:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2632
        • 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:2456
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2956
          • F:\recycled\SVCHOST.EXE
            F:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1640
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2984
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1268
    • F:\recycled\SVCHOST.EXE
      F:\recycled\SVCHOST.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2088
    • C:\recycled\SPOOLSV.EXE
      C:\recycled\SPOOLSV.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2812
    • 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\6fbf905667e5166c2080cf299014612c39d8b4406bd27cdc17f697dbfbe724d7.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:2752
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2080

    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:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      d79cb9bec285c6a41fe89db3f66483ea

      SHA1

      8335d9808f0074773d062faafac5fada591652a2

      SHA256

      41dabcb65e6575d0da324a7d260b77c0242427d6a37f3d681d31284b437f2bec

      SHA512

      0cf7e3dd40e70ac20893f038cf08975f5d20ab9300911f8d9c7d62b229cbd9a1bb660a00f3e6cdaea234a621fa76cc3b625e8cb6a6c74a850eeb7a755298cc09

    • C:\Windows\Fonts\ Explorer.exe

      Filesize

      86KB

      MD5

      479bc1a62f01c82460dc2ff6efb864ea

      SHA1

      87227407ba24a0aaaf2ecbb8ca9306c5746e696b

      SHA256

      e7aee8fe4abdd729abb5d168a79738e1e2fcfb354d3d7014554457c324933a61

      SHA512

      3b4b925704f14d061e904f3d96fd6dcd24245dc9cb8fac0e7e209a199f7a3dc238d00a48e7c27941bbf83f029b15a55b14d77e8c00a6a6c603dd2bb32633cd1c

    • C:\Windows\Fonts\ Explorer.exe

      Filesize

      86KB

      MD5

      3565347b5362a59dd8accdee57235736

      SHA1

      40bf0dbd811f5d0948ec17a3592eab237d7e7012

      SHA256

      038c920b033360aa45314010b6b934f3b8ade202af321cab35aebd2048939743

      SHA512

      21982f1bece271c75612f1d6ef37fc25404976e5ea7fec4911cdeec30bba1c1cbb89f93b9bee3715de8a7d71208aa76c662eec63e66369ee22971afd6886f751

    • C:\Windows\Fonts\ Explorer.exe

      Filesize

      86KB

      MD5

      b4c50b0c2c6d91bec386deba297a19af

      SHA1

      a9599bdabe4af05b7cfa832a45ea8646e0fbfac0

      SHA256

      12bcd34be007b235201b24e8c73541672e589c9cf0413472fa9b9b6c2fdb8f40

      SHA512

      18af00e845cf75e2338dc90f741cd8a38de93c5069a42bfa321b93a412d2111c02f6acacaaf0c5afe9028308639519d875807df8e516a4c5c20cf23318cd2d0d

    • C:\begolu.txt

      Filesize

      2B

      MD5

      2b9d4fa85c8e82132bde46b143040142

      SHA1

      a02431cf7c501a5b368c91e41283419d8fa9fb03

      SHA256

      4658d6abbbaf7748c172ed5a3e003cdb8997648f88724834e41f75e54520e142

      SHA512

      c37f27b442d578e94db6e5d879d026b0b3457f42b99ec56a9cb6fca3161540a32e207b942ef2ddb7be01fa9245ba4d8c859978a0f9a498c1ad8aa46d0890e6be

    • F:\Recycled\SVCHOST.EXE

      Filesize

      86KB

      MD5

      b28660a2fd94d7f3c342bc998b750fce

      SHA1

      a4356d15d24e54b12fec89d04bc886c58e38eece

      SHA256

      3aa92301574189429ed9ea0e56a5ee787cceb38675a5838dccf97a0ba191bbf1

      SHA512

      7f59cd3060799c8d68d2317e410a6d51da1cc562c49f051e5f4a6cc9c4d6c435fe7fa308bae5e4c503ab7cb752364b25b648fa874b363dd27c28580445450838

    • \Recycled\SPOOLSV.EXE

      Filesize

      86KB

      MD5

      8a30ccf2669c0c033a0a3d2be502367f

      SHA1

      a02d20b8da6c5a93deb36f6617f7b7a92f37d0fe

      SHA256

      7a759c2e1486c290a161b212cb90686fb8e6f8f04e45f76402b5c575acd0535d

      SHA512

      b09470219576d588ccef2a0655b638c7b33c63741462bafa2d98b3f5143588554c54a518d8e8c360306d7042c9706d66ed3dad7bb77726250646ae2e8a43fe9e

    • \Recycled\SVCHOST.EXE

      Filesize

      86KB

      MD5

      f8115071163f3273a9b919cd1f75a075

      SHA1

      71994ef54e4c4c775ed756d6fb9a5e3c552909b7

      SHA256

      f8c65a3ee2caa3ca1f501fdb23db06cfc1dba55c8f8b4dbe653ea35900d3507f

      SHA512

      fd454813c334b8da487608b0eb290429d2e66ec161aaca3adfa0a05053d60287a1abf7a5d685ff61344bd343edad0871e322061f6517747d996db9fbaf2832f6

    • memory/1268-101-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1640-89-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2088-108-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2088-106-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2276-0-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2276-115-0x00000000049F0000-0x0000000004A00000-memory.dmp

      Filesize

      64KB

    • memory/2276-116-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2276-22-0x0000000002660000-0x000000000267B000-memory.dmp

      Filesize

      108KB

    • memory/2276-23-0x0000000002660000-0x000000000267B000-memory.dmp

      Filesize

      108KB

    • memory/2468-67-0x00000000002D0000-0x00000000002EB000-memory.dmp

      Filesize

      108KB

    • memory/2468-59-0x00000000002D0000-0x00000000002EB000-memory.dmp

      Filesize

      108KB

    • memory/2468-45-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2468-55-0x00000000002D0000-0x00000000002EB000-memory.dmp

      Filesize

      108KB

    • memory/2552-43-0x0000000000460000-0x000000000047B000-memory.dmp

      Filesize

      108KB

    • memory/2552-27-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2552-35-0x0000000000460000-0x000000000047B000-memory.dmp

      Filesize

      108KB

    • memory/2552-44-0x0000000000460000-0x000000000047B000-memory.dmp

      Filesize

      108KB

    • memory/2632-64-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2752-155-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2752-117-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2796-60-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2812-113-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2884-38-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2956-82-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2956-81-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2984-96-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2984-92-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB