Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 08:59

General

  • Target

    d49bc433cf5da708864084ac81fd540db14a92ed57971e4b9a45bfee15439a6e.exe

  • Size

    135KB

  • MD5

    6846d3a6156030f790645430397d3d65

  • SHA1

    be370f708018d3e34ef09b0199b3c93dac8304ac

  • SHA256

    d49bc433cf5da708864084ac81fd540db14a92ed57971e4b9a45bfee15439a6e

  • SHA512

    9b55a1d95f8fb5316f66198e35f75d36f1026e7ad51e1ab9da3fa7e7732f58b87afeb69ad3fd6035ea7ed2ea9a7b83073c66d4ce8438646e9656e8586df6e8cb

  • SSDEEP

    1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVhpalY:UVqoCl/YgjxEufVU0TbTyDDalQlY

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
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d49bc433cf5da708864084ac81fd540db14a92ed57971e4b9a45bfee15439a6e.exe
    "C:\Users\Admin\AppData\Local\Temp\d49bc433cf5da708864084ac81fd540db14a92ed57971e4b9a45bfee15439a6e.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:840
    • \??\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:2892
      • \??\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:2816
        • \??\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:2980
          • \??\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:2408
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:01 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2904
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:02 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2180
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:03 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2076
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:3024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      135KB

      MD5

      7692791471778a4a853f95a1432e436d

      SHA1

      841dcdaee35834d92f7dc19b4f820eda26c67dce

      SHA256

      067d0eb1ba8630591e02c6b1bf5e36b2c44a6134386d58a211519c49b820e87d

      SHA512

      59acbb9b3b597d03c1152f4e41e580baa497d089e459b98f5a7033f665598f298428d7e8caf272ec67e77aaef13a378d8dfd555d6194394ffaa0d61706ab1cbb

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      135KB

      MD5

      c6ec53082f88514f0c4592b02db764ad

      SHA1

      200e301cbfbd610d0e0658ad7047eb0f670e0d8f

      SHA256

      b0236637880ce5e09e6838e0ed811867ae4e0603cbae2ba5ab9315a77d2efdc1

      SHA512

      93bc27100ce0ea935bda140ca71cf4e6d9a24855d4c72cd024fb8891bd7830fa8584c1148899a7370ab3d5cd909567e4a0595377c25a84347e7742378a39b778

    • \Windows\Resources\svchost.exe

      Filesize

      135KB

      MD5

      f3c6e4823b21448193b57b9bbeccd2d9

      SHA1

      4b8ab9799ba39155f3b7f4c507e1e5880d08ce62

      SHA256

      f13e7095c7418d7c4d6d059d4dcb739c3377560645a3f8335574bec88afb0fb4

      SHA512

      4e1595e3715b34c05329e570468346e7fc79a1ee7834a0b13658ca3688607054d71b740fe6fa860effccb97b4d33addd73e355f749639c06348fe7b2ffb69eea

    • memory/840-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/840-9-0x0000000000270000-0x000000000028F000-memory.dmp

      Filesize

      124KB

    • memory/840-43-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2408-41-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2816-30-0x0000000000290000-0x00000000002AF000-memory.dmp

      Filesize

      124KB

    • memory/2816-42-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2892-44-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2980-45-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2980-46-0x0000000000280000-0x000000000029F000-memory.dmp

      Filesize

      124KB