Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/06/2024, 20:00

General

  • Target

    207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe

  • Size

    796KB

  • MD5

    ce4c0ef610ccdf05e6da178bbf6fe4ce

  • SHA1

    08e02c0bf98773a22a80096ed4770b1501143794

  • SHA256

    207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c

  • SHA512

    627f29b23527017f87d22a55719852b8b11be27f710d92d05ec88f2622e4621827e824632945db49fe77a469fdc331332280bb282d68bba8ea28e91368fed51c

  • SSDEEP

    12288:cFUNDataHc64b888888888888W888888888881bHhYnCbUZRVWPDjxiZl8zAeONW:cFOa486Qb+Cw6r91BoQ9uZUR+zZdA

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Creates scheduled task(s) 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 12 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe
    "C:\Users\Admin\AppData\Local\Temp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1440
    • \??\c:\users\admin\appdata\local\temp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe 
      c:\users\admin\appdata\local\temp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe 
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Users\Admin\AppData\Local\Temp\is-ARO65.tmp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-ARO65.tmp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.tmp" /SL5="$201F2,274884,121344,c:\users\admin\appdata\local\temp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe "
        3⤵
        • Executes dropped EXE
        PID:1640
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2980
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3044
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2672
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • 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 behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2448
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2468
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:03 /f
              6⤵
              • Creates scheduled task(s)
              PID:2932
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:04 /f
              6⤵
              • Creates scheduled task(s)
              PID:2220
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:05 /f
              6⤵
              • Creates scheduled task(s)
              PID:1120
        • C:\Windows\Explorer.exe
          C:\Windows\Explorer.exe
          4⤵
            PID:2068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      135KB

      MD5

      08aa3956cee6bb7e8c3d16f55071bfc2

      SHA1

      6689d95a806ab0978d573b5f68f881624237bfdc

      SHA256

      1cf310ade37fed61fd82b788f1f994586faf0f299761ce60dae75f03ce9d4582

      SHA512

      f2d2529419d8bf81c49bd13eb41eb87b35e0c803998c5da23859be5f4955820dece7afa05b538c5b64daa5f0e5cf90e247741aedeff97f054e4d471962ea122a

    • C:\Windows\Resources\svchost.exe

      Filesize

      135KB

      MD5

      0f73bf0237c2f1f3a510fb463b90f856

      SHA1

      fb32d99e011cfee8009a08d5eeae71bdb393a23a

      SHA256

      41a1d223a2802a6d60af520ba4c04c59d07a25e0dcccf794a8f92e8a793a54a6

      SHA512

      3a734349e481e54da531d22c6aa2e26a69d64378cdfe77c74db658986e23c57d59f397e6f8df37360876ca443241e478e787d7edd542cd178666a20d904e1b2d

    • \Users\Admin\AppData\Local\Temp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.exe 

      Filesize

      660KB

      MD5

      5558797f1b8e4deb484fe06f65f8c6f6

      SHA1

      625cfc1ef58ed7516d58b6510ac6da1d1901230d

      SHA256

      68da490d047c38fd45eadd60d391da71a63a48e4a405160e76ea9e16dff3c66e

      SHA512

      6b56615ac01c8354aac1dbfdd50051ea098d47b7e02194be975ed9755795427a4697888dc40cb44e0dc7938d8d87952c500490734b735af3da035b87a2ac3d13

    • \Users\Admin\AppData\Local\Temp\is-ARO65.tmp\207f6fd23bbcbc87b18e7ca19333af4ec5892c414a995cfea1d87e4082d2e65c.tmp

      Filesize

      1.1MB

      MD5

      34acc2bdb45a9c436181426828c4cb49

      SHA1

      5adaa1ac822e6128b8d4b59a54d19901880452ae

      SHA256

      9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07

      SHA512

      134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      135KB

      MD5

      66d7ae8848f0df8158ed769409c600c7

      SHA1

      1f1d65a246a9a43787cd779ff8c286f7f0a809b2

      SHA256

      af5a1cb6163e24c55f81b14db438345b2717a806da9fd757f186fd356bbee5bd

      SHA512

      ee52839b609402d39504e16cfd0b72a3ec33e78f1df7c08561395282cae134263dab9545d929043f059a49f4fecf524a9d716a461b9c71e0f99373ac2706743d

    • \Windows\Resources\Themes\icsys.icn.exe

      Filesize

      135KB

      MD5

      df210d78038e14b441da61d382bf239b

      SHA1

      7d79cb5ebe511fff60550290c53624fcb59dd574

      SHA256

      17a9fa68dd771ff468ad47e9a120ce07a1434756c7ea991e9f3b2b8ffdbf2f38

      SHA512

      ac63a31460ef0358e8f7beb5d0b3ceb71cfbdfd3106542586feb67b5e66ef7b4d81435fe79e5f986532f6c07e76df08ddbf6a28ce5794c7aa78aca1cce3cc50e

    • memory/1440-21-0x0000000000280000-0x000000000029F000-memory.dmp

      Filesize

      124KB

    • memory/1440-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1440-71-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1640-26-0x0000000000400000-0x000000000052E000-memory.dmp

      Filesize

      1.2MB

    • memory/1640-72-0x0000000000400000-0x000000000052E000-memory.dmp

      Filesize

      1.2MB

    • memory/2112-13-0x0000000000401000-0x0000000000412000-memory.dmp

      Filesize

      68KB

    • memory/2112-10-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2112-73-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2448-64-0x0000000000270000-0x000000000028F000-memory.dmp

      Filesize

      124KB

    • memory/2468-68-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2672-55-0x00000000005D0000-0x00000000005EF000-memory.dmp

      Filesize

      124KB

    • memory/2672-69-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2980-70-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2980-34-0x0000000000420000-0x000000000043F000-memory.dmp

      Filesize

      124KB