Analysis

  • max time kernel
    109s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2023, 22:24

General

  • Target

    0803.doc

  • Size

    516.3MB

  • MD5

    c2ba98ea49f3d5f5b04d7980ed36b75d

  • SHA1

    0b66f823f6edf03c3992d9265a43aa5ffa24938a

  • SHA256

    1e041bead6abf833504e173d6b1026ee766bfef84635a7d222e520a673d8896c

  • SHA512

    108011d99c013c97e462cb1792a8e5de1a1ebdccd5073acc2c5ac08dc8fcca0acd20eb0bfd37850721a46dffdf54d88bfac59aca6399dda8e4ee53434796e365

  • SSDEEP

    6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • 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\0803.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\232523.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Users\Admin\AppData\Local\Temp\232523.tmp"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1440
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FhAdthxZVkPSwv\pNEiKiPNlkk.dll"
          4⤵
            PID:1616
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:560

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\232523.tmp

              Filesize

              533.7MB

              MD5

              6dcc6adc78d9d888d6e9324529d43aed

              SHA1

              ba96c781ea03290049003b9a9bdaf688a9a805a6

              SHA256

              be2a81d6412dff018bbabfac1c008d57cce8f623935156cdbf1c7f26c8be216c

              SHA512

              753b13400671908d80c26e94c3e5af87d92e3623d33fc87eec01950443877bc459059a8cc4656a4dca9f94c95b488cb3fd827403dbf8a58489a089431e49d030

            • C:\Users\Admin\AppData\Local\Temp\232527.zip

              Filesize

              869KB

              MD5

              a547aefd4711ca02c948cfe816314c8c

              SHA1

              ec9c50f7c09f576f9b524b9d5f9422473f8eaddb

              SHA256

              41286f4fb0f0b880301b7023626f673e6fbfaeb948963afb2114337c0e1c2d3d

              SHA512

              04cbbe8e29ff3610db18949dbd480be0e8f5bad0110f81dba8c43eb84944db24b7c0bf2fecf033e852240c6079fe1dadd647995d4fdbcedf3e839afa87752bde

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

              Filesize

              20KB

              MD5

              0d383c9582fb680249a6bc784b8b9a05

              SHA1

              2b5cd78dc5cad70764b3ea586eef50ff276c69c9

              SHA256

              c7960d9e7c1d7d75f2dfc40832bb64497071857f37a8ef49adff4523405967df

              SHA512

              c66f0aad66097ccfca2b1423ef8be53086f08cd101d5ea26d3b602a57da27e1089ecf4df66600558c4c3aa2bdd45fd1e4fc8f151ce688c3668555deffdacadd5

            • \Users\Admin\AppData\Local\Temp\232523.tmp

              Filesize

              533.7MB

              MD5

              6dcc6adc78d9d888d6e9324529d43aed

              SHA1

              ba96c781ea03290049003b9a9bdaf688a9a805a6

              SHA256

              be2a81d6412dff018bbabfac1c008d57cce8f623935156cdbf1c7f26c8be216c

              SHA512

              753b13400671908d80c26e94c3e5af87d92e3623d33fc87eec01950443877bc459059a8cc4656a4dca9f94c95b488cb3fd827403dbf8a58489a089431e49d030

            • \Users\Admin\AppData\Local\Temp\232523.tmp

              Filesize

              533.7MB

              MD5

              6dcc6adc78d9d888d6e9324529d43aed

              SHA1

              ba96c781ea03290049003b9a9bdaf688a9a805a6

              SHA256

              be2a81d6412dff018bbabfac1c008d57cce8f623935156cdbf1c7f26c8be216c

              SHA512

              753b13400671908d80c26e94c3e5af87d92e3623d33fc87eec01950443877bc459059a8cc4656a4dca9f94c95b488cb3fd827403dbf8a58489a089431e49d030

            • memory/1440-1264-0x00000000002A0000-0x00000000002A1000-memory.dmp

              Filesize

              4KB

            • memory/1616-1270-0x00000000001C0000-0x00000000001C1000-memory.dmp

              Filesize

              4KB

            • memory/1760-81-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-85-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-62-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-63-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-61-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-60-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-65-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-66-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-67-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-68-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-69-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-70-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-72-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-73-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-75-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-74-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-77-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-78-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-79-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-58-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-83-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-84-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-86-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-59-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-88-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-90-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-91-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-92-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-93-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-95-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-96-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-97-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-94-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-89-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-87-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-82-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-98-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-80-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-76-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-57-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-71-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-64-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-99-0x00000000007D0000-0x00000000008D0000-memory.dmp

              Filesize

              1024KB

            • memory/1760-1077-0x0000000006180000-0x0000000006181000-memory.dmp

              Filesize

              4KB

            • memory/1760-1271-0x0000000006180000-0x0000000006181000-memory.dmp

              Filesize

              4KB

            • memory/1760-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

              Filesize

              64KB