Analysis

  • max time kernel
    150s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 20:16

General

  • Target

    2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe

  • Size

    2.6MB

  • MD5

    97ed9515c06e15d615efdaaa7cd15cf9

  • SHA1

    29cfb415b9b439aab5e6e50b182cd77e217c79c0

  • SHA256

    2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990

  • SHA512

    4f4cb3b790cffe7b445cacb8ddaee7c044f4ba37f9b678dae93b5caea42e4e1b25330c1662f470ab236ce786ce11b3fac3c4b717462b946cf7ddf6db771f71ef

  • SSDEEP

    49152:TeS12nRc6C5CEAHD26ICQVt1ULUQRP6a6YPkCLJ37xbIjNyX5Hxzl/J:6S+c6ZEmqCMtmoQRP6aZtnsNq9l/J

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 35 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 3 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 15 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe
    "C:\Users\Admin\AppData\Local\Temp\2ca192ab34f7f0895d97fa9d3e16cc3f500572191c8305ef7ab3c79e98fd7990.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2840
    • \??\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
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • 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:1936
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1112
        • \??\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
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2772
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:2680
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:18 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2820
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:19 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1624
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:20 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2032
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      2.6MB

      MD5

      851823b28e99ea08e7db2966e8bc8500

      SHA1

      583f82c3ceda2d1514dabeac3508461e445dc39e

      SHA256

      57e1a53b51cad8cb0e988ab0eea5f7cc841723066e788a7e9b263ad03f4f79f0

      SHA512

      4788f82516292fcc79759248958e915e646f4d923922cab85f58df39af70c130831b868683b739a03d796a9915fbbdbe85ec350432f041af3b78a0f3ca1e8930

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      2.6MB

      MD5

      5ab713b6dd9f16e9e6072dd1f1f96250

      SHA1

      c153e39d6050920f92199bd5db6e71a507c67ef9

      SHA256

      340d4f73940afdca783e42fb7b61be51f851ee679712561300eddff683e04ccb

      SHA512

      7426db6874fcfa10e331dfc1ecbc527f45c163c4065f60befa759a8f5e606258b3ad3a5843eb7f69ee724e490e321215aade1485b4099aaace915b66891c70a4

    • \Windows\Resources\svchost.exe

      Filesize

      2.6MB

      MD5

      9f57c98b9abe797cd4cf182a316c1011

      SHA1

      d1cb67b808e281164b8bdb98ae6b04796a2af96c

      SHA256

      0cc325270b9b48d647151caba8a4205c5b00d9275bc39a8f509a6d5330255249

      SHA512

      0483972091c245ccbd7cf1341fd2dba5393b87e6faf00537ee9c092e7306db947a5ffccd2faeefb0ebb35816c6599d6589b526d0553e35e6146d5a5cd5fb8ee8

    • memory/1112-24-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1112-51-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1112-36-0x0000000004430000-0x0000000004D81000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-72-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-60-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-15-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/1936-13-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-84-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-82-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-68-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-64-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-80-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-78-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-76-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-55-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-56-0x0000000004550000-0x0000000004EA1000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-74-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-58-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-23-0x0000000004550000-0x0000000004EA1000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-66-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-62-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/1936-70-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2680-49-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2680-44-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-73-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-75-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-65-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-69-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-63-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-71-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-42-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-59-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-57-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-67-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-83-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-77-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-81-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2772-79-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2840-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2840-54-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2840-43-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB

    • memory/2840-53-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2840-0-0x0000000000400000-0x0000000000D51000-memory.dmp

      Filesize

      9.3MB