Analysis

  • max time kernel
    120s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 22:03

General

  • Target

    66c08694a84314b53bacde050af39730N.exe

  • Size

    206KB

  • MD5

    66c08694a84314b53bacde050af39730

  • SHA1

    ad6e2c01041589df7b6375634e4e155505e05eca

  • SHA256

    ac14d042c3ccd1d6098433bd54e37e275d53194c40e0594892e9676faa6ce25c

  • SHA512

    a4d72e608400709a1628481c9093acfbeb2555cc210435f6770d624c5d624e09286185c7bd3f2942463b117a3f05984410c283d1c8164a8f598ef9878950f1bd

  • SSDEEP

    3072:/VqoCl/YgjxEufVU0TbTyDDalblsssssssssssssssssssssssssssssssssssst:/sLqdufVUNDaJ

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 10 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66c08694a84314b53bacde050af39730N.exe
    "C:\Users\Admin\AppData\Local\Temp\66c08694a84314b53bacde050af39730N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2372
    • \??\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
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2336
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2924
        • \??\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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2892
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:2844
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 22:05 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2796
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 22:06 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1152
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:2708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      206KB

      MD5

      6c9c735624e6707917406a0a9c4b115e

      SHA1

      aaed2393ee9a37848b078f51b50ae45544236ce3

      SHA256

      cd9f895880c5aaf18340ea5f7aa8a50bb95b79a7dc8f681ad5d85a46fe5c2414

      SHA512

      64b9ebd138a9af3386b4d3d7b367182be6a1800a1338fc2fb8a84d695455834b2edc532d0a49f84e20388bb9d6daacca2edcf93e9b5b9f6d41d3e63367453546

    • \Windows\Resources\spoolsv.exe

      Filesize

      206KB

      MD5

      aab2e1b0297cd1df76963cdc16df3b67

      SHA1

      19a98c13091392e47a87edd3851d3ef595baeb43

      SHA256

      89de35f685ec55a69e0686d80ee66437dc7000055386aa4948386bdfd644feb7

      SHA512

      4a0a6fc79bc52b26bb1ca26ab1739222aa2406121d1f1a8e30146b5a0f9b70a460a9f3c4fdce797c8f7288eaf781bd4fe91874bc9fb3bc821a65ea11c24dc3a7

    • \Windows\Resources\svchost.exe

      Filesize

      206KB

      MD5

      1e7b88354308bec505cc9705da11f128

      SHA1

      d1d828ae121e5393bb5a0998e1a1e3cfc9252579

      SHA256

      f37ec57e603108a8d362bc42071c9f6c7abebfa7db8161bbd91e09ad19c6dc84

      SHA512

      22f838866156aff92789a20bb4dbde855ff3146d2ec930ec5150734e0860d3afd9797ceb75d8be6800e92c7e2deb4bdf798148bd194d1c8ad9832b707967b42e

    • memory/2336-57-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2336-28-0x00000000002D0000-0x00000000002FF000-memory.dmp

      Filesize

      188KB

    • memory/2336-59-0x00000000002D0000-0x00000000002FF000-memory.dmp

      Filesize

      188KB

    • memory/2336-58-0x00000000002D0000-0x00000000002FF000-memory.dmp

      Filesize

      188KB

    • memory/2372-0-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2372-13-0x0000000000320000-0x000000000034F000-memory.dmp

      Filesize

      188KB

    • memory/2372-12-0x0000000000320000-0x000000000034F000-memory.dmp

      Filesize

      188KB

    • memory/2372-56-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2844-55-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2892-49-0x00000000001E0000-0x000000000020F000-memory.dmp

      Filesize

      188KB

    • memory/2892-50-0x00000000001E0000-0x000000000020F000-memory.dmp

      Filesize

      188KB

    • memory/2892-60-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2892-61-0x00000000001E0000-0x000000000020F000-memory.dmp

      Filesize

      188KB

    • memory/2924-54-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB