Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2023 14:46

General

  • Target

    Data 103102.doc

  • Size

    509.3MB

  • MD5

    96247d9a232745ec053281c670e4dc4c

  • SHA1

    6abf69198f91d4c2a1c9dfa1685c0adfef94c717

  • SHA256

    7749fec95cbe08b74b51beebc1be0a54c9b8401c831c260d2cadb336181ae4d2

  • SHA512

    39949c4299d77252d7612672c16357698c4ee386e738eeefe5a42027d7ce51083bbef4c91a871d461636099f156122f51a13a61b438f21f4cda177ef90ac0556

  • SSDEEP

    6144:ip32/gDd0Nmt71wFmSWjfDrV8YQnZocbyrX4NqclWL9:ip32SEmtJwFmhjfPtrXqqyW

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.

  • Downloads MZ/PE file
  • 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 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\Data 103102.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:860
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\154813.tmp"
        2⤵
        • Process spawned unexpected child process
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1900
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Users\Admin\AppData\Local\Temp\154813.tmp"
          3⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1608
          • C:\Windows\system32\regsvr32.exe
            C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JaFaFDWByYnywhA\ZUpWojgtim.dll"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1160

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\154813.tmp
      Filesize

      561KB

      MD5

      c901c8089c5e017f8e9b4b15c8ef154f

      SHA1

      336c2bea43bfa2e8afd27a164dba640f36c0013c

      SHA256

      fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

      SHA512

      9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

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

      20KB

      MD5

      9704538ce5c38cfbd45e22bf950e96c7

      SHA1

      ba517d4e95b067a7eeaf463833115d66c51aa3a1

      SHA256

      1fae5e065b253fd0575a935b0cdb67ace03e6996a4bfb2dbf98587da5953af02

      SHA512

      c8b447bbd3f228be65888a8f09c1b195f7dc0b293ed013a2476e2aae0fe03fb957e29642dfc9d39d8982628a1961b4a57083c7a37203822660f9b2a7f3387d4c

    • \Users\Admin\AppData\Local\Temp\154813.tmp
      Filesize

      561KB

      MD5

      c901c8089c5e017f8e9b4b15c8ef154f

      SHA1

      336c2bea43bfa2e8afd27a164dba640f36c0013c

      SHA256

      fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

      SHA512

      9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

    • \Users\Admin\AppData\Local\Temp\154813.tmp
      Filesize

      561KB

      MD5

      c901c8089c5e017f8e9b4b15c8ef154f

      SHA1

      336c2bea43bfa2e8afd27a164dba640f36c0013c

      SHA256

      fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

      SHA512

      9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

    • memory/1608-1446-0x00000000000B0000-0x00000000000B1000-memory.dmp
      Filesize

      4KB

    • memory/2044-73-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-106-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-65-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-66-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-67-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-63-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-69-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-70-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-71-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-72-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-68-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-74-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-75-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-76-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-77-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2044-78-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-79-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-105-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-64-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-107-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-108-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-109-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-111-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-112-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-113-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-114-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-110-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-115-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-116-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-117-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-118-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-136-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-58-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-62-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-61-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-60-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/2044-59-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB