Analysis

  • max time kernel
    131s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2023, 07:17

General

  • Target

    20230308_202888_0035.doc

  • Size

    546.3MB

  • MD5

    1ccd780cbc8df389eba6f2de0985009e

  • SHA1

    60f32a95f333fb5665157860462e07d4ec0dee81

  • SHA256

    ced5eec72aeabf65b78be1c75509a7d12816c2fa5e4b1fe4178e11cf78c6eb38

  • SHA512

    0df979efe35ea856bdbd35f292364e709159cf495f7d96edb4bfea7e68d9bfc15d1d5f67b2c623686bf5bfa75cdfb19e19abb3e9023a85d50f75f3b6f3c7e428

  • 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\20230308_202888_0035.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:1056
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\081833.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:544
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Users\Admin\AppData\Local\Temp\081833.tmp"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1144
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BnEEAFpCPAsqFnpV\jjuDTGOE.dll"
          4⤵
            PID:1904
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:1604

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\081833.tmp

              Filesize

              536.7MB

              MD5

              19bff3aa06ddc8c0c808d8be5cc49275

              SHA1

              98e500a3fdb186aaae72b3ac985d28e693c46c54

              SHA256

              c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

              SHA512

              8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

            • C:\Users\Admin\AppData\Local\Temp\081837.zip

              Filesize

              872KB

              MD5

              d5700e1ee975acb953e76eac021dc57d

              SHA1

              a5e008828774992d42ddd66a00cda20e0d29b4a6

              SHA256

              e184e3130db13b0f2c4079a7d19e669f1873a7029f79fc928f07829007dbaca8

              SHA512

              0a1e10ded8a5dc96776571afbd84b735fac9b7c3baa2acaa576d26edf6cf81cfa28ebdcbba00ba70c99c655f49ed78ff1202ceed22425c92ec441df740edc7c5

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

              Filesize

              20KB

              MD5

              ccef04cbb3384e71ccc43ba06fbdbbd2

              SHA1

              9cbe243c23619ecbbf439f6acf153da598549855

              SHA256

              4b8b299137106ce696995f3069f9a6faff2bd7a803eab68de6f63c63b9f47bec

              SHA512

              3bac93be44bd93a5314b7eee4d3d74e35a7e1b5c4e7cb874d1ad79e69f9d0d1b08cf266fb61522e98da397bf213344efdf786af46cb62964cb8ad8be8abaa34f

            • \Users\Admin\AppData\Local\Temp\081833.tmp

              Filesize

              536.7MB

              MD5

              19bff3aa06ddc8c0c808d8be5cc49275

              SHA1

              98e500a3fdb186aaae72b3ac985d28e693c46c54

              SHA256

              c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

              SHA512

              8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

            • \Users\Admin\AppData\Local\Temp\081833.tmp

              Filesize

              536.7MB

              MD5

              19bff3aa06ddc8c0c808d8be5cc49275

              SHA1

              98e500a3fdb186aaae72b3ac985d28e693c46c54

              SHA256

              c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

              SHA512

              8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

            • memory/1056-82-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-69-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-59-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-60-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-61-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-62-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-63-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-64-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-65-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-87-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-86-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-66-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-70-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-72-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-74-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-75-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-76-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-77-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-79-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-80-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-81-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-57-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-58-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-85-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-68-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-88-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-89-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-90-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-91-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-93-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-92-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-95-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-96-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-97-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-94-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-98-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-84-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-83-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-78-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-73-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-71-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-67-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-99-0x0000000000420000-0x0000000000520000-memory.dmp

              Filesize

              1024KB

            • memory/1056-1077-0x00000000060A0000-0x00000000060A1000-memory.dmp

              Filesize

              4KB

            • memory/1056-1265-0x00000000060A0000-0x00000000060A1000-memory.dmp

              Filesize

              4KB

            • memory/1056-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

              Filesize

              64KB

            • memory/1144-1264-0x00000000001A0000-0x00000000001A1000-memory.dmp

              Filesize

              4KB

            • memory/1904-1272-0x00000000000C0000-0x00000000000C1000-memory.dmp

              Filesize

              4KB